Cockroaches
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Date
2018
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جامعة الشيخ عبدالله البدري
Abstract
There are almost 4000 species of cockroaches. About 50 species have become domestic pests and the most important medically are Blatella germanica ( the German cockroach), Periplaneta Americana ( the American cockroach) , Planeta orientalis( the oriental cockroach) and planeta australiae ( the Australian cockroach).