In 25 km sanitary-hygienic zone of Chinarev oil and gas condensate field in Kazakhstan were inves tigated the insects fauna. From this territory known 173 background species and 12 are rare for Western Region of republic. The insects of Lepidoptera - Euchromius rayatellus and Leptidea reali tchuvilin noted for the first time in Volgo-Ural Region.
