Green Peach Aphid

Common Name: Green Peach Aphid

Genus: Myzus

Species: persicae

Identification: Pale yellowish-green, adults acquire wings.

Lifecycle: This aphid overwinters as eggs, and in the spring about the time of peach blossoming they hatch to form young, pale yellowish-green aphids. On becoming full-grown they begin giving birth to living young. There can be 2 to 3 generations on the peach. The adults acquire wings and migrate to garden plants in the late spring. With cold weather, the females fly to the peach, where they give birth to true sexual females. These mate with males that fly over from summer host plants and lay the overwintering eggs.

Geographic Distribution: Widely distributed throughout United States.

Damage and Treatment: The aphids suck the sap from new fruits and twigs of peach and a number of other trees and herbaceous plants. Vigor of the tree and production are adversely effected. Treatment should be made when insect populations and/or damage levels reach economic thresholds. Refer to local University Extension Pest Management Guidelines for specific state thresholds.

Alfalfa

Fruits Nuts Trees and Vegetables

Head Lettuce

Alfalfa Caterpillar Colias

Alfalfa Weevil Hypera

Amaranthes Amaranthus palmeri, Amaranthus hybridus, Amaranthus spinosus

Aphids Therioaphis maculata, Dysphis plantaginea, Acyrthosiphon kondoi, Acyrthosiphon kondoi, Acyrthosiphon pisum, Aphis gossypi

Army Cutworm

Armyworm, Beet Spodoptera

Bermudagrass

Bluegrass, Annual

Cabbage Looper Trichoplusia

Codling Moth Cydia

Colorado Potato Beetle Leptinotarsa

Common Cocklebur Xanthium

Corn Earworm

Crabgrass Digitaria sanguinalis, Digitaria ischaemum, Digitaria ciliaris

Cutworms Agrotis ipsilon, Agrotis orthogonia, Peridroma saucia

Dallisgrass

Fall Armyworm Spodoptera

Foxtail Species Setaria venticillata, Setaria faberi, Setaria viridis, Setaria glauca

Goosegrass Eleusine

Grasshopper Melanoplus sanguinipes, Camnula pellacida

Greenhouse Whitefly

Imported Cabbageworm

Kochia Kochia

Lambsquarters Chenopodium

Leafhoppers

Leafminer Liriomyza trifolii, Liriomyza sativa, Liriomyza huidobrensis

Leafroller Archips rosanus, Archips argyrospila, Argyrotaenia velutinana, Choristorenra rosaceana

Lygus Bug Lygus

Nightshades Solanum americanum, Solanum nigrum, Solanum ptycanthum, Solanum saccachoides

Panicum, Fall Panicum

Pear Psylla Cacopsylla

Pennsylvania Smartweed Polygonum

Pigweed, Redroot Amaranthus

Purslane

Quackgrass

Silverleaf Whitefly Bemisia tabaci, Bemisia argentifolii

Stink Bug Nezara viridula, Chlorockroa say, Euschistus consperus

Sweet Potato Silverleaf Whitefly Bemisia tabaci, Bemisia argentifolii

Tarnished Plant Bug Lygus

Tobacco Budworm Helicoverpa

Velvetleaf Abutilon

Venice Mallow Hibiscus

Wild Mustard Brassica

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