Journal of Entomological Research

The present investigation was carried out to identify the different types of haemocytes present in the haemolymph of A. foveicollis. This study also throws light on the total haemocyte count (THC) and differential haemocyte count (DHC) of the insect. Five types of haemocytes were identified in the red pumpkin beetle, Aulacophora foveicollis, they were prohaemocytes (PRs), plasmatocytes (PLs), granulocytes (GRs), coagulocytes (COs) and oenocytes (OEs). The total haemocyte count (THC) of the insect ranged between 4100 -5100 cells/mm³ in healthy insects. The PRs were the smallest and the most abundant cells while the OEs were the largest and the least abundant cells in the haemolymph. The differential haemocyte count (DHC) of PRs, PLs, GRs, COs and OEs was 34.86 -38.21%, 24.64 -29.3%, 16.06 -19.43%, 13.15 -16.18% and 3.25 -5.36% respectively.