In the present paper the analysis of results of experiences carrying out on testing 5 hormonal affecting insecticides in fight against of mulberry pylalides from biologic active substances, namely Match – 1.0 litter/hectares, Nomolt – 0.3 litter/hectares, Binsegard – 0.5 kilogram/hectares, Al’familin – 0.5 litter/hectares and Rimon star 0.15 litter/hectares has been presented. In these experiences the values of the reached biologic efficiency in period of 15-16 days ones using were 81-100%. Therefore the preparations mentioned above for including to the list of allowed pesticides in agriculture of Uzbekistan for practical using them by farmers producing silkworm cocoons have been recommended.

The article аlthough the McDaniel spider mite is less polyphagous than the two spotted spider mite, its host range is nevertheless rather diverse.  It turns a dull ivory hue just before hatching, and the embryo's crimson eyespots are evident. McDaniel spider mite eggs and two spotted spider mite eggs are indistinguishable. The estimate of mites per leaf is calculated by dividing the total number of mites on the plate by the number of leaves brushed onto that plate