Md.Samia*, S.K.Guptab, Chandrama Singhc, Ravindra Kr Sharmad, & O.P. Singha
aDepartment of Zoology, B.R.A.B.U.,Muzaffarpur-842001(India)
bDept. of Zoology, M.J.K. College,Bettiah (West Champaran)-845 438
cDepartment of Zoology, K.C.T.C. College, Ruxaul, B.R.A.B.U., Muzaffarpur-842001(India)
dPGT, DAV Public School, Muzaffarpur, Bihar, India.
Received 12th December, 2011; Revised 28th February, 2012
Abstract : Aquatic beetles Cybister confusus were collected from local pond and Kept in controlled condition and treated with DDT and Detergent. The insects were dissected in normal saline . Gut tissue were fixed in Boin’s solution and section were prepared. The observation indicated different levels of histological changes on DDT and Detergent treatment. The changes were co- related with diet. Histological changes were observed in Epithelial and muscular.