蚜虫

蚜虫	yá chóng	greenfly (Aphis spp.) / aphid
蚜	yá	aphis
虫	chóng	variant of 虫
虫	chóng	lower form of animal life, including insects, insect larvae, worms and similar creatures / CL:条,只 / (fig.) person with a particular undesirable characteristic