A new variant of cotton leafroll dwarf virus (CLRDV) (genus: Polerovirus, family: Solemoviridae) was discovered in (Gossypium hirsutum L.) fields that were reported to be infested with aphids and whiteflies southern Alabama 2017. Prior the confirmation CLRDV, speculation focused on as a potential vector then-unknown virus. Although only transmit CLRDV is aphid, Aphis gossypii (Glover), two reco...

predation rate is basic to any investigation of prey-predator interaction and a major component in the selection of predators for biological control. the predation rate of variegated lady beetle, hippodamia variegata (goze), fed on different densities (20, 40, 60, 80 and 100) of third instar nymphs of cotton aphid, aphis gossypii glover, was studied under laboratory conditions (25 ± 1 °c, 65 ± ...