TY - GEN AU - van Hamburg,H AU - Guest,P J TI - The impact of insecticides on beneficial arthropods in cotton agro-ecosystems in South Africa SN - 0090-4341 PY - 1997///0612 KW - Animals KW - Arthropods KW - drug effects KW - Ecosystem KW - Eggs KW - Gossypium KW - Insecticides KW - toxicity KW - Larva KW - Longitudinal Studies KW - Nitriles KW - Pest Control KW - standards KW - Pyrethrins KW - South Africa N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/s002449900156 ER -