Foliar and ground-foraging predators of aphids associated with alfalfa crops in Chile: Are they good or bad partners?

摘要: Carabids and coccinellids are the most abundant aphid predators in alfalfa. Depending on amount of prey consumed, impact their combined effect can be additive, antagonistic, or synergistic. Laboratory trials demonstrated that a higher proportion Aphis craccivora Koch dropped from alfalfa plants presence coccinellids, interaction between these was additive synergistic, but never suggesting they might good partners controlling aphids.