A new Myxosporidian species, Myxobolus percarinae sp. nov., have been tound in Percarina demidojii specimens collected in the Dnieper estuary. Spores (vegetative stages not y e tfound) elongate-ovate, w i t hslightly ...

667 swift individuals were ringed in the Oka reservation during 1950-1979 with subsequent recapture o1 318 individuals. The Der cent index or return to the colony fOr birds ringed both young and adult is found to be 4.1 ...

The general co-ordination plan of searching, rising, and clinging movements is modified in certain coleopteran taxa in accordance to peculiarities of the body build. One recognizes the symmetrical reverse over the head or ...

A faunistic survey incorporated 83 sawfly species of the Southern slope of Caucasus Major within Azerbaijan. The data on habitat distribution and zoogeographic analysis.

В результате обработки коллекционных сборов получены новые оригинальные сведения о личинках бесхвостых амфибий. Эти данные дополняют и уточняют видоспецифичные морфологические особенности головастиков. Из 10 видов бесхвостых ...

Two species of Baetidae mayfly family are described as new. Male imago of Baetis oreophilus sp. nov. is characterized by elongated forcepses of last joint; its n y m p h IS similar to B. rhodani, with two hairs on each ...

Metapsyllaephagus theodosicus sp. nov from the Crimea is described. A key to eight Palearctic species the Encvrtid genus Metapsylaephagus Myartseva, 1980 (females) is given. Tne new species is closely related to ...

14 collared turtle dove and 36 rock dove specimens from Lvov and Lvov Region were examined for ectoparasitic infestation. Nineparasitic Arthropod specieswere found: ralculter rostratus. Megnina columbae, Dermanyssus gallinae, ...

25 Ostracod species were found ni plankton samples collectedin the South Atlantic subtropical circulation NE section by ine research shio "Mikhail Lomonosoy". Four Conchoecia species (C. curta, C. teretivaluata, C.microprocera ...