Abstracts
LABORATORY OBSERVATIONS ON THE LIFE HISTORY OF SPHAERIDIUM BIPUSTULIATUM F. (COLEOPTERA: HYDROPHILIDAE) WITH DESCRIPTION OF IMMATURE STAGES |
AMAL. I. AFIFI, A.M.A. IBRAHIM AND M.K. ELAKKAD* Biological Control Lab., Dept. of Econ. Entomology and Pesticides, Fac. of Agric., Cairo University , Giza , Egypt * Plant Prot. Res. Institute., Agric. Res. Center , Dokki , Egypt . |
ABSTRACT The hydrophilid Sphaeridium bipustulatum F. was collected from cow and chicken manures accumulated in the farm of Faculty of Agriculture, Cairo University . It was successfully reared in laboratory at 28*2°C and 70% R.H. on larvae of Musca domestica L. Under that hygrothermic condition, the total developmental period of this species averaged 49.0±0.9 days. Four larval mstars were reported for this species. The various stages of its life cycle (egg-four larval instar, prepupa, pupa and adult) were described. Mating and oviposition processes together with the egg laying activity were reported. |
Key Words: Sphaeridium bipustulatum, Biology, Description. |