Morphological features of adults and nymphal instars of Coloceros species (Phthiraptera: Insecta) recovered from Collared-dove Streptopelia decaocto

Abstract
The present report furnishes information on the morphological features
Coloceros species collected from Collared-dove Streptopelia decaocto in district Rampur. Three nymphal instars of Coloceros sp. can be differentiated by the number of setae pre- sent on the postero-lateral angles of pterothorax and abdominal segment six to ninth in addition to nature of sclerotization and abdominal segmentation.