Walnut is an important crop that widely grown for its edible nuts, timber, and other commercial uses. pests can cause significant damage to the trees reduce quality quantity of crop. blister beetles walnut trees, especially during early stages fruit development. The data generated on incidence severity revealed E. erinea commenced from 13th standard meteorological week (SMW) with mean 1.2 per l...

The pest status of diamondback moth (DBM), Plutella xylostella (L.) (Lepidoptera: Yponomeutidae), in South Africa is lower than in other countries with similar climates. A project was initiated to investigate possible reasons for this. Larval and pupal populations of DBM were monitored weekly for two years on unsprayed cabbage plots. Adult populations were also monitored continuously for two ye...

the majority of eriophyid mites are phytophagous and some of them are important pests of plants. however, due to host specificity and other bioecological characteristics seen in members of this family, they are considered as important biocontrol agents of weeds. in order to identify the eriophyid mites associated with important weeds in agroecosystems in razavi khorasan province, during 2010 an...