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INSTYTUT ARCHEOLOGII I ETNOLOGII POLSKIEJ AKADEMII NAUK
INSTYTUT BADAŃ LITERACKICH POLSKIEJ AKADEMII NAUK
INSTYTUT BADAWCZY LEŚNICTWA
INSTYTUT BIOLOGII DOŚWIADCZALNEJ IM. MARCELEGO NENCKIEGO POLSKIEJ AKADEMII NAUK
INSTYTUT BIOLOGII SSAKÓW POLSKIEJ AKADEMII NAUK
INSTYTUT CHEMII FIZYCZNEJ PAN
INSTYTUT CHEMII ORGANICZNEJ PAN
INSTYTUT FILOZOFII I SOCJOLOGII PAN
INSTYTUT GEOGRAFII I PRZESTRZENNEGO ZAGOSPODAROWANIA PAN
INSTYTUT HISTORII im. TADEUSZA MANTEUFFLA POLSKIEJ AKADEMII NAUK
INSTYTUT JĘZYKA POLSKIEGO POLSKIEJ AKADEMII NAUK
INSTYTUT MATEMATYCZNY PAN
INSTYTUT MEDYCYNY DOŚWIADCZALNEJ I KLINICZNEJ IM.MIROSŁAWA MOSSAKOWSKIEGO POLSKIEJ AKADEMII NAUK
INSTYTUT PODSTAWOWYCH PROBLEMÓW TECHNIKI PAN
INSTYTUT SLAWISTYKI PAN
SIEĆ BADAWCZA ŁUKASIEWICZ - INSTYTUT TECHNOLOGII MATERIAŁÓW ELEKTRONICZNYCH
MUZEUM I INSTYTUT ZOOLOGII POLSKIEJ AKADEMII NAUK
INSTYTUT BADAŃ SYSTEMOWYCH PAN
INSTYTUT BOTANIKI IM. WŁADYSŁAWA SZAFERA POLSKIEJ AKADEMII NAUK
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A list of 233 species of bees (Apiformes) in central Poland is presented. The lowland, largely deforested part of the study area (Łódź Hills), was dominated by Heriades truncorum (4.3% oftotal catch) and Hylaeus communis (2.7%), while the wooded Świętokrzyskie Mountains were dominated by bumblebees, particularly by Bombus lucorum (4.2%) with its cleptoparasite Psithyrus bohemicus (6.8%), as well as Bombus pascuorum (3.7%), Bombus lapidarius (2.4%) and Psithyrus campestris (2.4%).
A list of the 233 type specimens belonging to the 141 species of the family Pseudophyllidae (Orthoptera) which are preserved in the Museum and Institute of Zoology PAS in Warsaw is given, of these 55 are holotypes, 30 - paratypes, 141 - syntpes, 5 lecotytes and 2 paralectotypes.
A male of Pipistrellus kuhlii lepidus was found in a large housing estate in Warsaw (central Poland) on 9th March 2023. The bat hibernated in a crevice on balcony on the sixth storey of a residential house. This is the second finding of this species in Warsaw, which may suggest that a stable population of the species has been formed there. The presence of P. k. lepidus in Warsaw is probably an effect of its natural expansion from south-east Europe. <br>
A multivariate analysis was carried out in order to investigate the most influential habitat variables and related features in the selection of breeding cliffs by the Griffon Vulture in Crete. The species was found nesting in mid-altitude areas, close to stock-raising units, on high limestone cliffs, which were also well protected against the prevailing winds of the island. A principal components analysis, which explained 53% of the total variance of the variables examined, differentiated Griffon Vulture colonies in relation to their isolation from other colonies, accessibility to humans and proximity to food resources. In addition, a stepwise discriminant function analysis between breeding and random cliffs included the height of the cliff, its substratum, the altitude, and the distance to the stock breeding unit in a model that successfully classified 97.1% of the nesting and 88.2% of the random cliffs. In comparison to continental regions the Griffon Vulture colonies in Crete were located on higher cliffs but at a lower altitude. This fact should be attributed to the species nesting on steep coastal cliffs close to the livestock's wintering areas.
A new and four known species of mononchs are described from Cameroon. Mylonchulus vulvalatus sp. nov. has 1.241.48 mm long body; a = 3033; b = 3.54.0; c =25.527.8; V = 5960; buccal cavity 2729 ×1617 μm and is characterized by its blister-like vulval region. It is closely related to M. brachyuris (Bütschli, 1873) Altherr, 1953, M. parabrachyuris (Thorne, 1924) Andrássy, 1958 and M. minor (Cobb, 1893) Andrássy, 1958. Margaronchulus mulveyi Andrássy, 1972; Mylonchulus orbitus Jensen et Mulvey, 1968; Crassibuc capenicula Mulvey et Jensen, 1967 and Miconchus pararapax Mulvey et Jensen, 1967 are reported. Single specimen of a Jensenonchus sp. is also described which could not be accomodated in any of the known species of the genus.
A new feather mites species, Proctophyllodes cetti sp. nov., is described from Cetti’s warbler, Cettia cetti (Temminck, 1820) (Sylviidae) from Kazakhstan. The standard morphological description is supplemented by cytochrome subunit oxidase I sequence data (DNA barcode).
A new freshwater cyclopid, Mesocyclops yenae sp. nov. is described from Central Vietnam. Descriptions of the male, and copepodid stages IV and V are given as well the adult female. Mesocyclops yenaeis unique within the genus in having an in completely sclerotized "pseudosomite" between the pediger 5 and genital double-somite. In the same position, a whole-ring "pseudosomite" is known in some interstitial copepods only. The conspicously short terminal accessory caudal setae in M. yenae and other similarities in several morphological characters indicate a very close relationship with the Bornean M. brevisetosus Dussart et Sarnita, 1987.
A new genus and species of Baleyopterygidae, Aristoleuctra yehae gen. andsp. nov. collected from the Middle Jurassic of Daohugou Village, Shantou Township, Ningcheng County, Inner Mongolia, China, is described and illustrated. This is the firstreport of Baleyopterygidae from China. With the establishment of Aristoleuctra, Baissoleuctra conspecta Sinitshenkova, 1992 from Late Jurassic – Early Cretaceous ofEast Siberia is transferred to this genus.
A new genus and species of extinct Achilidae — Waghilde baltica gen. and sp. nov., from the Eocene Baltic amber is described. It represents a new tribe of Achilinae– Waghildini trib. nov. The relationships of Waghildini and its placement among recently recognized tribes of Achilinae is discussed.
A new genus and two new species of quill mites (Acari: Syringophilidae) are described and figured from birds of the order Musophagiformes. Blaszakia gen. nov.differs from the closely related Charadriphilus Bochkov et Chistyakov, 2001 by the rounded posterior margin of the stylophore and small number of chambers in the peritremal branches. The first new species – B. tauracos sp. nov. was recorded from Tauraco livingstoni (Gray) from Tanzania and from T. schalowi (Reichenov) (Musophagidae) from Guinea, the second – B. rossae sp. nov. was recorded from Musophaga rossae Gould (Musophagidae) from the Democratic Rep. of Congo.Syringophilid mites are recorded from birds of this order for the first time.
A new genus from the Ryukyu Islands of Japan belonging to the braconid wasp subfamily Doryctinae, Ryukyuspathius gen. nov., with its type species, R. spinifer sp.nov., is described and illustrated. The position of this genus in the tribe Spathiini sensu stricto and its morphological similarities with other genera are discussed.
A new genus including two new species of fossil cupedids, Latocupes fortis gen. and sp. nov. and L. bellus gen. and sp. nov., is described from the Yixian Formation of western Liaoning Province, China and assigned to family Cupedidae. A brief morphological analysis shows that the new genus might be sister group of extant genus Priacma.
A new genus of dorylaim nematodes, Kunjudorylaimus gen. nov. along with two new species belonging to the Superfamily Dorylaimoidea, are described from Karnataka, India.The new genus has apeculiar body posture which is straight in its anterior part but curved pos-teriorly; lips are rounded, lip region is smooth and continuous with body, labial papillae are notraised; amphids are bilobed, fovea duplex; cardiac disc is present; female reproductive organs are amphidelphic; ventromedian supplements are weakly developed and spaced; and tails are long filiform in both sexes. The type species, K. kunjuisp. nov.is 2.02.4 mm, odontostyle 2022 μm,odontophore 3134 μm, spicules 3237 μm long, prerectum in females 46 anal body widths longand ventromedian supplements numbering 1113. K. sriniisp. nov. is 1.61.9 mm, odontostyle1516 μm, odontophore 2325 μm, spicules 2931 μm long; prerectum in females 34 anal body widths long and ventromedian supplements numbering 810.
A new harvestman species Homolophus nakhichevanicus sp.n of the family Phalangiidae with photos and drawings is described from mountains in territory of Nakhichevan Autonomous Republic, Azerbaijan. This is eighth harvestmen species from this territory.
A new Hypenella nanlingensis is described from Guangdong Province, southern China. It is likely to represent a Palaearctic relict in the Oriental Realm. A key tothe four species known in the world is given.
A new information about six species of cockroaches (Blattodea: Blatta orientalis L., Blattella germanica L., Ectobius lapponicus L., E. sylvestris Poda, Periplaneta americana L. and Phyllodromica maculata Schreber) and five species of earwigs (Dermaptera: Apterygida albipennis Megerle von Mühlfeld, Chelidurella acanthopygia Géné, Forficula auricularia L., Labia minor L. and Labidura riparia Pallas) found in a period of 1957–2021 in Poland are presented. In the case of four species, the first information about their presence in the particular geographical regions was provided, based on the Catalogue of Polish Fauna.
A new locality of Temnothorax affinis (Mayr), a Euro-Caucasian xerothennophilous dendrobiotic ant species rare in Central Europe, is reported from Poland; until recently it was regarded as probably extinct in Poland. Single workers were collected from an oak trunk of an old oak in the Cedynia Landscape Park (Pomeranian Lake District, north-western Poland). Tliis locality is one of northernmost known sites of T. affinis.
A new mite species of the genus Epicrosejus has been described and illustrated based on 4 females collected from decaying material from the inside of an oak hollow (Quercus acutissima Carruth) in South Korea. Key to identify adult forms of the species listed in the genus Epicrosejus included.
A new nematode species belonging to the family Dorylaimidae of the order Dorylaimida has been collected from rhizospheric soil of banana plantation from west Bengal, India. Laimydorus minutus sp. n. is described and illustrated. A key for females of species in the genera Prodorylaimus Andrássy 1959 and Laimydorus Siddiqi 1969 is also provided.
A new phytophagous mite species belonging to the genus Disella Newkirk et Keifer (Eriophyidae: Nothopodinae: Nothopodini), namely D. ovatum sp. nov., infesting Rhododendron ovatum (Lindl.) Planch. et Maxim. (Ericaceae), is described and illustrated.
A new species, Euphitrea doeberli sp. nov.from Vietnam is described and illustrated.
A new species of Adelpha, A. amazona, is described from Brazil and Peru.
A new species of Mylonchulus Cobb, 1916 is described from Ukraine. Mylonchuluspolitus sp. nov. is similar to M. andrassyi Loof, 1993 from which it differs by shorter (L =0.781.00 mm vs > 1.00 mm) and relatively wider (a = 2635 vs a= 3540) body, smaller buccalcavity (1419 μm long vs > 20 μm long), shorter tail (2837 μm vs > 50 μm), shorter spicules inmales (3235 μm vs > 40 μm), vulval lips sclerotization (rectangular vs triangular pieces), longerposterior uterine sac (75122 μm vs 32 μm). ew species of Mylonchulus Cobb, 1916 is described from Ukraine. Mylonchulu spolitus sp. nov.is similar to M. andrassyi Loof, 1993 from which it differs by shorter (L = 0.781.00 mm vs > 1.00 mm) and relatively wider (a = 2635 vs a= 3540) body, smaller buccal cavity (1419 μm long vs > 20 μm long), shorter tail (2837 μm vs > 50 μm), shorter spicules in males (3235 μm vs > 40 μm), vulval lips sclerotization (rectangular vs triangular pieces), longer posterior uterine sac (75122 μm vs 32 μm).
A new species of plant-feeding eriophyid mite collected from olive seedlings in Southern Montenegro is described. Shevtchenkella barensis sp. nov. inhabiting olive, Olea europea L. (Oleaceae) was found in an olive nursery attacking seedlings and causing serious damage. Aceria oleae (Nalepa), is herein recorded as new for the fauna of Montenegro.
A new species of the crab spider, Diaea kangarooblaszaki sp. nov. is described and figured from Kangaroo Island located south of the southern coast of South Australia. The species is endemic and commonly occurring within the Island.
A new species of the genus Carcinocephalus Bernhauer, 1903 is described from Taiwan (Chiai Hsien, Alishan): C. szujeckii sp. n. All morphological structures both for male and female are illustrated. The new species is compared with all Holarctic species of the genus.
A new species of the genus Thalassogenus Andrássy, 1973 is described and dedicated to the memory of Prof. Dr. M. Brzeski. It was extracted from Selaginella sp., La Paz Falls, Costa Rica. The main diagnostic feature is the long tail (108178μm, c = 2.64.3); also body length tends to be greater than in the other species (2.33.2 mm vs 1.72.5). Opinions vary with regard to the systematic position of the genus; Oncholaimina (Pelagonematidae) or Mononchina. We show that it belongs to Oncholaimina, where it represents a separate family. The genus is now known from four widely spaced regions in the tropics India, New Guinea, Samoa Islands and Central America. The presence of an ocellus suggests that species of this genus are recent immigrants of freshwater.
A new species of the genus Trichodorusis described from natural vegetation in the Western Cape Province, South Africa. Trichodorus iuventus sp. nov. is characterised by a relatively short body, short onchiostyle with inner onchium in all adults; in male, by short spicule length and spicule shape (dorsally convex in anterior part, with indentation at mid-calamus anda straight, striated posterior part); in females, by the small rounded vaginal sclerotized pieces inlateral view, a pore-like vulva in ventral view and one pair of prevulvar and post-advulvar lateral body pores. A population of T. vandenbergae was found associated with fynbos; additional morphological and morphometric information is provided.
A new species Pseudoprobaticus roznerorum sp. nov. from Southern Western Turkey is described. The redescription of Pseudoprobaticus granipennis (Allard,1876) and key to species of the genus Pseudoprobaticus Nabozhenko, 2001 are given.
A new to fauna of Poland oribatid mite species (Scheloribates distinctus) and new localities of three rare species (Protoribates pannonicus, Punctoribates ghilarovi, Oppia nitens) are recorded from old compost heap in Łomianki near Warsaw, Mazovia Region, Poland.
A novel, skeletal reconstruction of Archaeopteryx skeleton follows Heilmann's (1926) tradition in being based primarily on osteological evidence and free phylogenetic and functional preconceptions. Although the connection between the sternum and ribs remains unknown, a combination of positional and comparative evidence speaks for the presence of cartilaginous sternal ribs. The reconstructed rib cage is compatible with some levels of the airsac ventilation mechanics. The reconstructed segmental position (relative to the vertebral column) of the shoulder girdle at the level of 11th or 12th vertebra agrees with evidence from both modern birds and theropods. The wing must have been largely folded in the resting position, but the geometry and mechanism of wing folding remain conjectural. In its gait and stance, Archaeopteryx was more similar to the modern birds than to the theropods.
A nymph of cricket Modicogryllus frontalis was found near Czołpino (northern Poland) on sandy dunesclose to the Baltic coast. It is the northernmost locality of the species in Poland and in Europe and the first record fromthe Baltic Coast. The distribution of the species in Central Europe is summarized and presented on the map.
A Ponto-Caspian gammarid – Dikerogammarus haemobaphes – a recent invader of the Vistula and Oder rivers, appeared also in Great Masurian Lakes. Possible routes of its invasion are discussed.
A previously established species-diagnostic PCR assay was used to determine the species composition and distribution of sibling species of the Anopheles maculipennis complex in north-eastern Poland, which was historically affected by malaria. Of all the 1120 mosquitoes of An. maculipennis complex (1002 adults and 118 larvae) identified by molecular means, all were either An. messeae/daciae or An. maculipennis s. s. with the former dominant in all collection localities. Their halophilic sister taxon An. atroparvus, previously collected along the Baltic Sea coast was not found. New records of An. maculipennis s. s. and An. messeae were located in 9 UTM squares respectively and these species were new for Tuchola Forests (Bory Tucholskie) and for the district of Iława Lakeland (Pojezierze Iławskie). An. messeae is a new species also for Masurian Lakeland (Pojezierze Mazurskie).
A proposed new method for investigation of the forest herb layer is presented in the study. It consists in establishing the density and index of maximum individual increase within all the population forming the herb layer. Population production is calculated by multiplying density by the index of individual increase. The sum total of production of all the populations of course gives the production of the whole herb layer. A method for estimating moss production is also given. The advantages and disadvantages of the proposed method in comparison with the standard method are discussed.
A quantitative process for the conservation analysis of 179 endangered birds of China is presented. At first, for each bird species its conservation priority status was assessed by calculating its conservation priority index (CPI), using six protection attributes (e.g. extinction risk, taxonomic uniqueness, public appeal). Second, based on the birds' conservation status, prioritisation by alternative approaches was performed. A hotspot score, a heuristic and an optimisation approach were used. The territory of China was divided into 583 grid cells (1° ×1°). The efficiency of the current network of protected areas was tested by comparing it with data obtained from prioritization. Analyses indicated that 28 species should be classified as highest conservation priorities, 13 of them were recommended for inclusion to the national wildlife protection list. The optimisation method for area selection was shown to be superior to the heuristic and hotspot approaches, since it selected more currently unreserved high priority areas whilst keeping the total number of sites low. It is proposed that seven Important Bird Areas (IBA's) should be added to the current protected area network. The suggested avian conservation assessment procedure can identify previously overlooked endangered bird species and candidate priority areas for conservation throughout comparative approaches.
A rare and little known ant species, Myrmica salina Ruzsky is for the first time reported from Poland. General data on its distribution and ecology are given. Characteristic morphological features of the species are pointed out and compared with those of closely related species.
A rare and poorly known ant species, Myrmica lacustris Ruzsky, belonging to the schencki-group, isreported from Poland for the first time. The taxonomic history of the name and current knowledge of the distribution and ecology of this species are summarised. The characteristic morphological features of M. lacustris are illustratedand a key for separating this taxon from the two morphologically similar species is given.
A rare spider species, Maro sublestus Falconer, 1915 (Linyphiidae) is reported from Poland for the first time. It was found in the Karkonosze National Park, in a wet habitat. Some taxonomic comments are included in the paper.
A recently reported (Wilson et al. 1999) effect of spatial scale on evenness is studied and it is shown that such a pattern is not necessarily an effect of changes in community structure at different scales but may simply result as a byproduct from constraints introduced by maximum and minimum allowed densities due to the sampling procedure. Evenness is found to be constant only if the species area relationship of the community under study has exactly the parameter values that are given by the parameter values of the relative abundance distribution of the community. Because such a situation will seldom occur under natural circumstances scale dependence of the evenness (and of related descriptors of structure) is expected to be a general feature.
A redescription of Stenaelurillus guttiger (Simon, 1901) with new distribution data is given, a lectotype for this species is designated. A new species, S. natalensis, preying on Odontotermes badius termites, is described, along with data on its natural history.
A relatively small variability in zoomicrobenthos numbers has been observed within one station and different ones at the same depth in the lake. When comparing the zoomicrobenthos occurrence in succession from litoral deep into the reservoir a distinct number dynamics but a similar qualitative zoomicrobenthos composition was observed. Changes in number on the same stations (examined in two lakes) in six successive years were greater in Mikolajskie Lake than in lake Śniardwy, just the opposite to the changes of the qualitative composition.
A review of distribution and new data on the occurrence of the noctuid moth Xylomoia graminea (Graeser,1889) in Poland are given. The new material includes observations collected from 2005 to 2010 in Małopolska, Podkarpacie and Podlasie regions. Xylomoia graminea (Graeser, 1889) is observed for the first time in Pogórze Dynowskie, Kotlina Jasielsko-Krośnieńskia, Pogórze Wiśnickie and Garb Tenczyński in south-eastern and southern Poland.
A review of distribution of Minois dryas (Scopoli, 1763) in Poland is given together with new data on the occurrence. The material is based on observations obtained between 2002 and 2011 in Bieszczady Zachodnie, Beskid Niski, Pogórze Dynowskie, Pogórze Przemyskie and Pradolina Podkarpacka in Kotlina Sandomierska. New records of Minois dryas (Scopoli, 1763) refer to Pogórze Dynowskie and Pogórze Przemyskie. Its occurrence in Kotlina Sandomierska is confirmed.
A review of papers on sex ratio in populations of Clethrionomys glareolus Schreber 1780 is given. The secondary sex ratio (at the moment of birth) is almost always 1:1, only in some cases — cohorts born in the second half of the reproduction season — there is a prevalence of males (up to 72°/o of males). The tertiary sex ratio (among sexually immature individuals) varies with a tendency to male prevalence, and only in populations having a low density the sex ratio is equal to 1:1. Quarternary sex ratio (among sexually mature individuals) shows a prevalence of females in the majority of ćases. This is atf special significance far the fluctuations of populations numbers.It seems that sex ratio of individuals of a current year shows usually the prevalence of males (especially in the first months of life). When these individuals constitute 9O*/o of population the sex ratio in this category of individuals becomes even (Table I).General sex ratio (for the entire population) has a much lower variability than sex ratio in distinguished categories of individuals. This observation as well as the analysis with regard to changes in sex ratio together with increasing population numbers (with increasing population numbers differences in sex ratio tend to decrease) (Fig. 1) point -to the existence of group reactions in the population responsible for the formation of a determined sex ratio.The relation between sex ratio and demographical strategy in populations of small rodents is discussed (Fig. 2). The necessity of examining the sex ratio as regards the division into sexually mature and immature individuals and within them into cohorts of the same age has been pointed out.
A river-lake system (i.e. a river flowing through the lakes) can be perceived as a system oflentic (lake) and lotic (river sections) landscape "patches" and the transitory zones between them. In this system transport and exchange of matter and biological information take place. Taking the Krutynia river (Masurian Lakeland, Poland) and its lakes as an example, transport of different biologically active compounds (like phosphorus) and non-active substances (like chlorides) was characterized. Phosphorus retention was estimated in successive "patches" of the system. The biotic structure and function of the river-lake-river transitory zones were described. They are the places where the particles selection and sedimentation of matter transported in the system take place as well as they are the sites where the selection and exchange of planktonic organisms of different size and reproduction strategy occur.
A root-lesion nematode, Pratylenchus brzeskiisp. nov., is described and illustrated from the roots of Ammophila arenaria (L.). Link from the coastal dunes of the Netherlands; this new species is morphologically characterized by: relatively long females (625735 μm) with two lip annuli, long stylet (+19 μm) with broad stylet knobs, an teriorly slightly indented, short DGO; pharyngeal gland lobe ranging from 65 to 100 μm; four lateral lines present, inner lines closely together; spermatheca faint, oval to rectangular shaped; vulva posterior, ranging from 75 to 78 %, lips slightly protruding, posterior uterine sac 19 to 35 μm long; tail conoid, terminus smooth, rounded to narrowly rounded, relatively long hyaline tail part present. Males occurred abundantly and are slightly smaller in most morphological characteristics. PCR was used to amplify the internal transcribed spacer regions of aribosomal DNA-cluster of P. brzeskiisp. nov. and compared with the morphological related species P. coffeae, P. loosiand P. penetrans. The rDNA fragments were cut with restriction enzymes; interspecific RFLPs were observed. Pratylenchus brzeskiisp. nov. was also isolated from the coastal dune grasses Elymus farctus (Viv.) Meldrisand Leymus arenarius Hochst., and detected in coastal dunes of Belgium, France and Poland.
A second locality of Camponotus (Colobopsis) truncatus (Spinola), a Mediterranean dendrobiotic ant species rare in Central Europe is reported from Poland. Single workers were collected from trunks of old oaks (Quercusrobur L.) in the Rogalin Oak Wood within the Rogalin Landscape Park (Wielkopolsko-Kujawska Lowland, Western Poland). At the same time, besides C. truncatus, one more rare ant species, Temnothorax corticalis (Schenck), is reported from the Wielkopolsko-Kujawska Lowland for the first time. A key to workers of the Polish species of the genus Camponotus Mayr is given
A series of larvae of Podothrombium reared in laboratory culture was subject tomorphometric analysis. Larvae were assigned to P. filipes (C. L. Koch, 1837) a species known hitherto only from postlarval instars. An array of anomalies in the chaetotaxy of various body regions was discovered. The results make it possible to re-consider the taxonomic suitability ofsome characters commonly used in diagnosing larvae of Podothrombium.
A series of partly empty small samples may make it difficult, when analysing ecological material, to obtain a picture giving a proper representation of the course of the phenomenon. Application of a moving average fails when the gaps (subsequences of zero samples) in the completion of the series by materiał are large and unequal (cf. Fig. 2, referring to material set out in Table II). The author suggests a method of calculating the curve by small sections formed from the various gaps which are limited on one side by a completed sample. The different sections may be formed either from single gaps or from two or three neighbouring gaps. The value of each section is defined by the arithmetical average of the values of the empty and full samples contained in it according to the formula:f[xn(k)] =(∑_(i=1`)^(n(k))▒〖f(xi)〗)/(n(k))Figs. 3 and 5 illustrate the elements of the curve calculated according to the method given for the example from Table II. They were calculated on the basis of two neighbouring gaps: n(2).
A short outline of the history of Conferences of Polish Hydrobiologists is given in this paper. The history began in 1948 with the 1st Conference in Wrocław;a record Conference in respect of number of participants and number of paperswas held in Białystok in 1970 (8th Conference) (Table I). This outline is followedby a discussion of scientific problems presented at the nine Conferences held upto the present time. Although these Conferences do not fully reflect the wholerange of hydrobiological studies carried out in Poland, the following tendenciesin development can be observed: 1) Increase in numbers of scientific staff andincrease in number of publications; 2) Increase in the complex character of studiesin which the lake or river is treated as a functional whole, with special attentionon energy flow and circulation of matter in the ecosystem: 3) Development ofstudies on productivity and bioenergetics, as the result of the stimulating influenceof the International Biological Programme; 4) The development in recentyears of studies on protection of waters against pollution and excessive eutrophication;5) The development of experimental studies, both laboratory and fieldones (including experiments on whole ecosystems).In the concluding part of the paper it is emphasised that Polish hydrobiologyrepresents a high world level in the field of production, bioenergetic and trophologicalstudies. The level of research on the problem of water protection againstpollution is also satisfactory, as are the experiments made on whole ecosystems,including experiments on recultivation of lakes. Development of Polish hydrobiologyis delayed in the field of application of new up-to-date research techniques, studies on circulation of matter mechanisms, mathematical modelling and forecastingof processes in ecosystems.
A special feature of spined loaches of the genus Cobitis in Central Europe isthe frequent occurrence of diploid-polyploid complexes in which polyploid gynogeneticforms act as sperm parasites to the diploid form. This tight binding of the co-occurringforms results in a high level of phenotypic and ecological similarities. The present studysearches for morphological differences between them applying the characters traditionally used in loach taxonomy (body proportions, fin formula, scale shape, lamina circularis, suborbital spine, coloration) in 662 specimens from the Baltic (14 populations) and NorthSea (1 population) catchment areas. Ploidy level of each specimen was inferred from blood cell measurements. Discriminant function analysis for biometrical characters and description of qualitative features indicate the morphological distinctness of the two diploidspecies C. taenia and C. elongatoides. The polyploid unisexual biotypes are very similarto each other and to individuals of sympatric sexual species. The genome dosage effectcould be observed in morphological characters, however, in some of them the polyploid biotypes display a mosaic mode of variability: they can be more similar to sympatric parents or to the absent species in the complex, transitional and of a wider variabilityrange. In colouration pattern, the biotypes do not express the whole spectrum of the parental species variability. Meristic traits had no power to identify the different forms.
A species hitherto regarded as very rare in Poland, found in only three sites in Lower Silesia and the Western Sudeten Mts as well as the Lower Beskid Mts, has been confirmed in the Central Sudeten Mts, the Pieniny Mts, Tatra Mts, Gorce Mts, Bieszczady Mts, Central Beskid Foothills and the Sandomierz Valley. Cryptops parisi Brolemann is a far more frequent inhabitant of the south of the country than was previously thought.
A specific grouping of nematodes associated with the root region of macrophytes was found in the lake littoral. Nematodes penetrating the tissues of underground parts of pondweeds may contribute to their dying. There were much higher numbers of nematodes belonging to genera Hirschmanniella, Chrysonemoides, Dorylaimoides, Dorylaimus and Mesodorylaimus in the decomposing fragments of rhizomes than in their fresh fragments.
A study aiming at the description of invertebrate fauna trapped in contemporary, coniferous resins was undertaken in a mixed forest of Central Europe (Southern Poland). Resins were collected predominately from spruce (Picea abies), but also from pine (Pinus sylvestris) and larch (Larix decidua), the cadavers were extracted from the ethanol solution of resin. As many as 394 specimens were extracted, consisting mainly of insects, but also arachnids, crustaceans and single mollusc were found. Among the collected specimens, some were identified to species, and a few mutual, ecological interrelationships could be traced. Although the amount of collected resins is far from being comparable with the amount of particular types of amber studied in the world so far, the Discussion focuses on similarities and differences in insect inclusions composition in resins and known amber collections.
A study of the Collembola from the marine littoral habitats on North Bull Island, which is a nature Man and the Biosphere Nature Reserve in Ireland, revealed 43 species of which 9 are new to the Irish fauna. Several rare species, known only from a few localities in Europe, Willemia multilobata, Friesea cf. baltica, Protaphorura pseudocellata and Isotomodes sotoensiswere found.
A study on the Noctuidae which include key pests in most of the world’s sugar-producing regions was donein four sugarcane producing, agro-industrial areas in the province of Khuzestan, southwestern Iran. Night samplings were made by light trap during 2007 and 2008. A total of 52 noctuid species belonging to 10 subfamilies were recorded. Amongst these, 22 were new to Khuzestan and one, Archanara polita (Walker, 1865) is newly reported for Iran. It is concluded that cropland weeds that act as host plants for many of these noctuids help to support biodiversityin the monoculture of sugarcane productions in southwestern Iran.
A summary of the project for the MAB programme presented at the XVI session of UNESCO. Emphasis is laid on the many-sided, logical and highly accurate el1aboration of this project. Critical consideration of the preference for studies on natural ecosystems over ecosystems changed and created by man. The reason for this preference is based on the idea: a knowledge of the functioning of natural ecosystems will permit of (1) understanding the functioning of transformed ecosystems and (2) foreseeing side-effects, the degree of stability etc. of transformed ecosystems. Thus the ecosystems created by man should be formed in the image and likeness of natural ecosystems. In polemizing with this idea the following assumptions are put forward: (1) biocenoses of cultivated fields are more productive than natural ecosystems: they are essential and the area they occupy will increase: (2) a knowledge of their ecology and functioning will be obtained more rapidly by studying them directly than by comparing their life with the life of natural ecosystems: (3) the biocenoses of cultivated fields are frequently ecosystems so altered (plant monocultures) that they may often be subject to other laws and ecological regularities than natural ones: in such cases even a full knowledge of the organization (structures and functions) of natural ecosystems may be insufficient for obtaining a knowledge of the ecology of culttvated field biocenoses.
A taxonomic revision is made of the Palaearctic species of Myrmica belonging to the schencki-group. Three new species are described: M. siciliana (all castes) from Sicily, M. onoyamai (all castes) from Japan and M. inucta (workers only) from northwest Kazakhstan; also first descriptions are made of the sexual castes for two species: M. caucasicola (queen) and M. koreana (queens and males). Keys to the identification of both workers and males of all species, and maps of their distributions are provided. The distribution of the various species is discussed and it is suggested that the origins of extant Palaearctic schencki-group species is linked to the development of the Steppe Zone during the last 10 million years.
A total number of 70 species representing 44 genera of all the subtribes within the tribe Pedinini sensu Iwan 2004 (Dendarina, Eurynotina, Platynotina, Pedinina, Melambiina, Loensina, Leichenina, Pythiopina) have been examined. The terminology of the female genital structures has been standardized. The use of the internal female genitaliain the classification of Tenebrionidae is presented. The features of the opatrinoid type ofovipositor (sensu Tschinkel and Doyen 1980) (1) dorso-lateral position of gonostylus; (2) 4 lobes of coxites; (3) paraproct partly enclosing the 1st lobe of coxite; (4) transverse orientation of baculus of 1st lobe of coxite are characterized for the examined taxa.
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