| Summary: | Cockroaches are species that live at night and shelter in places that provide a suitable microclimate and allow them to have easy access to food. The inventory of African species is far from complete. In North Africa, little research has been conducted on wildlife Orthopteroid and more particularly on the Dictyoptera. To identify different species of cockroaches existing forest in northeastern Algeria, we made an inventory of species that live in various areas: cork oak forests [cork forests of El-Kala National Park (Tarf), of Edough (Annaba) and Souk-Ahras], eucalyptus forests (Annaba). Four species of cockroaches were collected from different sites: Loboptera decipiens, Loboptera angulata, Ectobius kervillei and some yet unidentified specimens Ectobius. All these insects are present in the litter, mainly from February to June, and their numbers are fluctuating. More than 2000 individuals of all stages were captured including 86% of the genus Loboptera and 14% of such Ectobius.
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