Observations on the useful and harmful entomophagus existing in the apple tree orchards

Abstract

In this paper there are presented the results of observations made on the useful and harmful entomofauna existing in some apple tree orchards. The collection of the material was done using the soil trap type Barber method, permanently located from May to September in 2017in an intensive apple orchard belonging to the S.C. Loturi Service SRLfrom Deleşt, Vaslui country. The samples were collected periodically at intervals of 10-14 days. The several variants were used, depending on the composition of the existing or over-planted vegetal carpet with different grass species. At each sample collection, all collected material was stored gauze and labeled, with each sample specifying: date of harvest, trap number and variant. The collected material belongs to several pendants, Arthropoda, Nematoda, clasa, Hexapoda, Crustacea, Arachnida etc., order, Coleoptera, Hymenoptera, Collembolla, Diptera, Orthoptera etc. Among the collected species we mention: Opatrum sabulosum L., Epicometis hirta Poda, Gryllus spp L.., Otiorrhynchus spp.Germar., Pterostichus spp Bonelli , Pseudophonus rufipes De Geer.