RESPONSE REACTIONS OF URBAN POPULATIONS OF HOUSE FLIES AGAINST ANTHROPOGENIC INFLUENCE

Abstract:
In 1996-97 response reactions of urban populations of houseflies (Musca domestica L.) collected in Moscow and Moscow were studied against long-term influence of industrial pollutants and insecticide press. Reaction on the industrial influence evaluated for fecundity and on the insecticide press for resistance against pyrethroid insecticides. The study showed decrease of fecundity of houseflies while approaching industrial areas. The obtained results matched previous data for houseflies from different regions of Russia and evidenced negative effect of long-term industrial influence on fecundity in houseflies. House flies from industrial center of Moscow were high resistant to pyrethroid insecticides compared to susceptible reference strain Cooper (Great Britain). Populations from relatively clean area were not so high resistance to it. It is assumed between mechanisms through which some components of the main industrial pollutant range and pyrethroid insecticides affect houseflies. This results in growing resistance, possibly through the cross-resistance.