Fruit flies as an component of entomofauna inflorescences Asteraceae plants

The paper presents some results of research on the species composition and structure of the population of fruit flies (Diptera, Tephritidae) as a component of Entomofauna Asteraceae plants in conditions of Elabuga district, Republic of Tatarstan. The object of the study is to collections the fruit flies, the larvae of which develop in inflorescences Asteraceae plants and have, thus, a great influence on the formation of seeds. Research conducted on the generally accepted methods of Entomological Research. The study has identified 15 species of flies from six genera. Populations of Asteraceae plants, usually infested by specialized species fruit flies, however, the degree of infestation of inflorescences of different species Asteraceae fly larvae differ slightly. By the nature of the interaction with the host plants among fruit flies were found two life forms: miner insects and gall-formers. To miner insects 10 identified species applies to fruit flies, to the gall-formers - 5 species. The study of food specialization of insects showed that among fruit flies identified representatives of the three environmental groups: monophagous, oligophagous and polyphagous. The prospect of using phytophagous insects, including fruit flies, for suppressing the development of Asteraceae plants is of great practical importance, since most of them are deleterious weeds. The use of phytophagous in conjunction with agronomic methods struggle will reduce the proportion of weeds in natural communities and the use of chemicals.