University of Idaho Pest Management Center

*Aphids and Adelgids*
	ORDER: Homoptera - sap suckers pests as nymphs and adults
*identification:* bean aphid	pinhead size globular soft bodies (tear-drop, pear-shaped) long spindly legs & antennae twin "jet-pipe" cornicles slow moving +/- wings +/- cottony tufts, dirty-white encrustations on bark +/- powdery waxy film
symptoms:	wilting / twisted, malformed leaves & buds / yellowing some make galls transmit plant pathogens sticky honeydew / ants, bees & wasps / sooty mold
biology:	O/W as eggs, nymphs, adults many offspring, short-generation time, asexual reproduction
CONTROL OPTIONS
physical:	protect with polyester-fiber row covers aluminum foil collars spray forcefully with garden hose yellow sticky traps
cultural:	proper N fertility compost culls
biocontrol:	conserve natural enemies mass-releases from commercial insectaries
least-toxics:	insecticidal soap pyrethrin superior summer oil neem
conventional insecticides:	Cygon, diazinon, malathion, Thiodan

Webmaster:
nbell@uidaho.edu