SUMMARY
Dendrobaena veneta (Rosa, 1886) ( Annelida: Clitellata: Lumbricidae) is one of the most widely used compost worms which has; 50–70 mm body length,with striated red pigmentation and clitellum on segments 27–33.Thistaxon is now widely distributed all over Europe. The origin of this species is suggested to be in the East Mediterranean. D. veneta has been the subject of several cell-biological, immunological, soil and environmental studies. In this context, the main purpose and content of the study is to analyzethe bio- ecology, morphology and seasonal variation of D. veneta with the data which was obtained from the observations and examination scarried out during 2020-2022 in two different habitat locality in Nevsehir province.