author(s)
Goutam B Hosamani, Dr. S. B. Jagginavar and Dr. S. S. Karabhantanal

abstract
Callosobruchus chinensis (L.) (Coleoptera: Bruchidae) is a major stored pest of pulses in India. Biology of pulse beetle was studied during 2014-15 in the laboratory of College of Agriculture Science Vijayapura, University of Agricultural, Sciences Dharwad. The average incubation period, larval + pupal period, and Total life cycle were 4.0, 12.0+7.0 and 29.0 respectively. The average of the total developmental period (egg to adult) was 29.0 days cowpea seeds are most preferred by pulse beetle.