Bioécologie de Puceron vert du pêcher, Myzus persicae (Homoptera, Aphididae) dans l'Oasis de Biskra, Algérie/ [ Bio-ecological study of green peach aphid, Myzus persicae (Homoptera, Aphididae) at Biskra Oasis, Algeria ]

Tomato and pepper under greenhouse are the agricultural base in the Biskra Oasis. These crops threatened by insect pests, such as green peach aphid. The bio-ecology of Myzus persicae is the subject of a study conducted at five stations, Chaaiba, Oumache, Biskra, Outaya and Mzeraa in 2012 and 2013. It shows that the averages numbers of Myzus persicae highest with 28,77 individuals are mentioned on toufan variety, 28,20 individuals on the zahra variety and 32,4 individuals on the variety of corn chili gazelle. The average of the lowest numbers of 1,2 on individual toufan, 0,6 on Zahra variety , and 3.2 aphids on chili, gazelle horn.