Cabbage Looper

Common Name: Cabbage Looper

Genus: Trichoplusia

Species: ni

Identification: see lifecycle

Lifecycle: It overwinters as a greenish or brownish pupa nearly 3/4-inch long and wrapped in a delicate cocoon attached to the leaf. A small nocturnal adult moth, with mottled, brownish front wings and pale brown hind wings. The females lay 275 to 350 eggs singly on the upper surface of the leaves. The larvae have a distinctive humped appearance since the median half of the body is without legs. After 2 to 4 weeks of feeding the full grown larvae spins a cocoon and an adult appears again within 2 weeks. There can be 4 or 9 generations a year.

Geographic Distribution: Throughout the United States.

Damage and Treatment: The first-formed outer leaves can be riddled with large holes. If the leaves are parted, masses of greenish to brown pellets are found caught in the angles of the leaves. Heads of cabbage are stunted or do not form at all. 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.

Cauliflower

Cavalo Broccolo

Chinese Broccoli

Cotton

Dry Shelled Beans and Peas

Fruits Nuts Trees and Vegetables

Gourds

Head Lettuce

Kohlrabi

Potatoes

Succulent Peas & Beans

Alfalfa Looper

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

Armyworms

Barnyardgrass Echinochloa

Bermudagrass

Black Nightshade

Bluegrass, Annual

Boll Weevil Anthonomus

Broadleaf Filaree

Broadleaf Signalgrass

Cabbage Webworm

Carpetweed

Codling Moth Cydia

Colorado Potato Beetle Leptinotarsa

Common Cocklebur Xanthium

Corn Borers

Corn Earworm

Corn Rootworm

Crabgrass Digitaria sanguinalis, Digitaria ischaemum, Digitaria ciliaris

Cucumber Beetle

Cutworms Agrotis ipsilon, Agrotis orthogonia, Peridroma saucia

Dallisgrass

Diamondback Moth

Downy Mildew Pseudoperonospora

European Corn Borer Ostrinia

Fall Armyworm Spodoptera

Flea Beetles

Florida Pusley

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

Goosegrass Eleusine

Grasshopper Melanoplus sanguinipes, Camnula pellacida

Green Peach Aphid Myzus

Greenhouse Whitefly

Imported Cabbageworm

Jimsonweed Datura

Kochia Kochia

Lambsquarters Chenopodium

Leafhoppers

Leafminer Liriomyza trifolii, Liriomyza sativa, Liriomyza huidobrensis

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

Lygus Bug Lygus

Melonworm

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

Nutsedges Cyperus rotundus, Cyperus esculentus

Panicum, Fall Panicum

Panicum, Texas Panicum

Pea Aphid

Pear Psylla Cacopsylla

Pennsylvania Smartweed Polygonum

Perennial Ryegrass

Phytophthora Blight Phytophthora

Pickleworm

Pigweed, Redroot Amaranthus

Pink Bollworm Pectinophora

Plant Bugs

Prickly Sida Sida

Purslane

Quackgrass

Ragweeds Ambrosia artemisiifolia, Ambrosia trifida

Root Maggots

Sheperdspurse

Silverleaf Whitefly Bemisia tabaci, Bemisia argentifolii

Southern Corn Rootworm Diabrotica

Spider Mites Tetranychus urticae, Tetranychus turkestani, Tetranychus pacificus, Tetranychus cinnabarinus

Spotted Cucumber Beetle Diabrotica

Sprangletop

Spurge

Squash Bug

Stink Bug Nezara viridula, Chlorockroa say, Euschistus consperus

Sweet Potato Silverleaf Whitefly Bemisia tabaci, Bemisia argentifolii

Swinecress

Tarnished Plant Bug Lygus

Thrips

Tobacco Budworm Helicoverpa

Two-spotted Spider Mite

Velvetbean Caterpillar

Velvetleaf Abutilon

Venice Mallow Hibiscus

Whiteflies

Wild Mustard Brassica

Wild Radish

Wild Sunflower Helianthus

Wireworms Melanotus fissilis, Limonius spp. Many species in the order Coleoptera, family Elatoridae.

Yellow Nutsedge

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