Adult stage of a cestode reared under experimantal inoculation of carnivores (cat, fox, dog) with cysticercoids obtained from reptiles is described as a new species, Diplo pylidium polyacantha sp. n. It is distinct fromother ...

Each beetle has an innate ability to righting movements. The righting act consists. of three phases: the search, the rising, and t h eclinging. The search begins with the lost of substrate contact in most of legs. The ...

Microsiphum subalpica sp. n. Host -plant: Artemisia proceraL. Closely related to M.woroniecke J u d . (antennae and hair length,number of secondary rhinaria, habi- tat), differing from it by pigmentation,smaller body size, ...

В районе Киевского водохранилиша, где начиная с 1974 г. ведутся регулярные визуальные наблюдения за сезонными миграциями птиц и отлов мигрантов рыбачинской ловушкой, отмечены две осенние инвазии кедровок

Общеизвестно, что наряду с беспозвоночными, сорокопут-жулан питается мелкими позвоночными животными. Хищничество в разных частях видового ареала выражено в различной степени. Однако масштабы хищничества слишком неопределенны. ...

Thoracic legs structure in fifth instar copepodite larvae of four species of Diaptomidae is described. At this stage, males Arctodiaptomus denticornis bear a generic character - short righ leg endopodite, A. salinus i s ...

The mode of spermatogenesis in Gyrocotyle sp. is described. During two meiotic divisions the cell number in cytophores increases in a sequence of 16, 32, 64.. S u c h a t y p e of spermatogenesis is common t e r c o m e r ...