تقييم بعض المستخلصات الزيتية في حياة حشرة الخابرا Trogoderma granarium Coleoptera : Dermestidae

الملخص EN

Prsent study was carried out to evaluated the effectivenes of the oil extract of Citrullus colocynthis and Nigella sativa on the biology of Trogoderma granarium .

Results showed that the oil extracts of N .

sativa had the best m effect on all insect stages .

The mortality rate of eggs reached 80 %, but it reached 73 .33 % in C .

colocynthis oil extracts .

The mortality rate of larvae reached 23 .

33% in N .

sativa but it reached 11.16 % in C.

colocynthis oil extract .

The mortality rate and developmental periods of pupa were also effected by the extracts , reached 26.66 % in N.

sativa and 11.33% in C.

colocynthis , The rate developmental periods reached 3.89 days in the N .

sativa comparative with controlling treatment reached 5.8 days .

The mortality rate of the adult reached 56.

66 % and productivety of femal reached 0.

66 eggs / femal .

but it reached 23.66 % eggs / femal in the control