aphid

Qing-wen et al., "Characteristics of aphid age identification of wheat long pipe," Acta Entomologica Sinica, vol.

In Rahimyar Khan, three hot spots of Aphid, and two hot spots of armyworm while in Rajanpur one hot spot of Aphid were observed.

In Rahimyar Khan, two hot spots of white fly, Aphid (6), and armyworm (5) were reported.

The present study was designed to determine integrated effect of synthetic insecticides and nitrogen fertilizer on aphid population in canola crop.

All allelopathic water extracts investigated in our studies had a significant effect on aphid mortality (Table 2).

The effectiveness of field margin enhancement for cereal aphid control by different natural enemy guilds.

Biology of Transverse beetle, Coccinella transvarsalis Fabricius reared on Akk aphid, Aphis nerii under laboratory conditions.

The toxicity of oil extracts of five Algerian plants known to have medicinal activity was investigated against the peach-potato aphid, M.

Aphid showed significantly positive correlation with maximum temperature for BARD-92 and for negative correlation BARI-2000 cultivars.

It is concluded that none of the tested insecticides was completely safe for coccinellids, however, the neonicotinoid, imidacloprid appeared relatively safer because it did not affect the aphid consumption by coccinellids and hence is recommended for aphid control in canola crop.

The presence of the sugarcane aphid in the state of Guanajuato has caused a crisis in sorghum production.

Green peach aphid is one of major pest of brassica, the colonies of green peach aphids attack stem, leaves and seed pod, which results in severe damage (Blackman and Eastop, 2000).The hoverflies are one of the important insects in the field of research due to variety of their feeding mode.

ME-ller and her team are the first to confirm that aphid infestation actually does change the composition of the plant sap depending on which aphid species is infesting which specific part of the plant.

Present study examined the predatory preference and its impact on developmental period of Episyrphus balteatus on four aphid species i.e.

Scientists here concentrate on the applied aspects of aphidology rather than repeating or trying to compete with the comprehensive coverage of morphology, physiology, and ecology in Aphids: Their Biology, Natural Enemies and Control (1987-89, ed.