Orthopterological Fauna in theRegion of Djelfa (Algeria)

Abstract

Following the study of Orthopterological fauna in the region of Djelfa (Algeria),33 species have been listed. Calculation of centesimal frequency index showed that dominant species vary from station to another. In Faid El Botma, the dominant species is Tmethis pulchripennis (26,7 %. In station of Moudjebara, the species of Euryparyphes quadridentatus (18,6 %) %) is the most dominant. As fo Mesrane, Oedipoda miniata is on top of the list with 18.3%. At level of Ain El Ibel, the dominate one is Pyrgomorpha cognata (10,9 %). In Messad, there are two dominant species, it is about Acrotylus patruelis (26,15 %). Using the noticed that Orthopterological species inventoried, present different distribution types according to stations and months of sampling. Some species are other are random or contagious.