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Research Article

Habitat and Population Structure of Polyphaga Aegyptiaca (Blattaria: Polyphagidae) in Asir, Saudi Arabia

Pages 201-205 | Accepted 15 Jan 1996, Published online: 17 May 2023
 

Abstract

P. aegyptiaca was observed in rock shelters in a desertic location, 1200 m above sea level in Asir, Saudi Arabia. Each cavity harboured a small population of 1 to 15 individuals. These groups generally included a few adults with larvae. Cockroaches burrowed in the sand on the ground of rock shelters. Oothecae were found in the sand and they were made up of 8 to 12 eggs. P. aegyptiaca differs by many traits of its bionomics from other Polyphaginae cockroaches which inhabit the sand beneath cushion shrubs.

Résumé

Habitat et structure des populations de Polyphaga aegyptiaca (Blattaria: Polyphagidae) dans l'Asir, en Arabie Séoudite. — P. aegyptiaca a été observée dans les abris sous roche d'un désert Saoudien à 1200 m d'altitude dans l'Asir. Dans chaque cavité, se trouvait une petite population de l à 15 individus, comprenant en grande partie des larves mais aussi quelques adultes. Les blattes fouissaient dans le sable sur le sol des abris sous roche. Leurs oothèques contenaient de 8 à 12 oeufs et étaient déposées dans le sable. Ce mode de vie diffère par nombre de caractéristiques biologiques de celui des autres Polyphaginae qui habitent le sable sous les buissons en boule.

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