Study of the effect of decreased doses of preparations of organosynthetic insecticide group: chlororganic — DDT, polychloropinene and phosphororganic — chlorophos on reproductive system of Leptinotarsa decemlineata S a y ...

Visual stimuli causing hunting a prey and settling response in dragonflies were studied in field tests. Models of a prey were presented on a fishing-line. Dragonflies noticed white and black targets exceeding 5° in size ...

A description is given in all three ages in Wohlfahrtia balassogloi P o r t s c h maggot. Morphological characters of each age are distinguished

Orientation of Rana esculenta L. to the maternal warer body from a distance of 150 mm was studied. Rana esculenta orientation is established to be essentially influenced by changes in a relative humidity and temperature ...

Eleven species of leaf beetles of the genus Luperus G e o f f r. are registered in the Ukrainian fauna. They inhabit low lands and highlands. Imago of most species feed on leaves of different fruit trees and ...

The peculiarities of bird population were studied in different landscapes of the North Azov Sea аrеа. Data аrе given оn quantity of the species in each landscape, their number and zoomass, dominating species аrе distinguished. ...