Natural Enemies of Vegetable Pests
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1 Natural Enemies of Vegetable Pests Some of the beneficials that help control vegetable pests Jude Boucher
2 General Predators: Coleoptera (beetles) Pink spotted lady beetle, Colorado potato beetle egg batches: Coleomegilla maculate healthy (left), eaten by lady beetle (right)
3 General Predators Convergent lady beetle, Hippodamia convergens Seven-spotted lady beetle, Coccinella septempunctata
4 General Predators Photo by J. Ogrodnick or staff, NYSARS Lady beetle larva Lady beetle pupae
5 General Predators Photo by D. Ferro, UMass Ground beetle, Labia grandis, nocturnal predator of Colorado potato beetle eggs, larvae and pupae. Larvae are obligate parasitoid of CPB pupae.
6 General Predators: Diptera (flies) Photo by Roger Adams, UConn Photo by Lorraine Los, UConn Aphidoletes midge close-up midge larvae larva eating aphid among dead aphids
7 General Predators Photo by Mary Concklin, UConn Syrphid (hover/flower) fly and larva eating aphids
8 General Predators: Mantodea (mantids) Praying mantis emerging from egg mass
9 General Predators: Hemiptera (true bugs) Adult spined soldier bug feeding on Colorado potato beetle larva
10 General Predators Anchor stink bug feeding on Colorado potato beetle larva
11 General Predators Minute pirate bug feeding on two-spotted spider mite
12 General Predators Photo by A. Frodsham Assassin & Damsel bugs prey on eggs & larvae of CEW, FAW, ECB, aphids, mites
13 General Predators: Neuroptera (nerve-wing insects) Green lacewing adult and eggs up on stalks to prevent cannibalism
14 General Predators Photo by J. Ogrodnick or staff, NYSARS Green lacewing larva attacking aphid
15 General Predators: Hymenoptera (wasps, bees & ants) Photo by Gail Reynolds Stinging wasps: Great Golden Digger Wasp
16 General Predators Crab spider attacking bee
17 General Predators Toad
18 General Predators Hawk
19 General Predators Guinea hen
20 Parasitoids Cotesia congregata, Braconid wasp larvae and pupae on a tobacco hornworm
21 Parasitoids Cotesia glomeratus, Braconid wasp larvae emerging from sides of imported cabbageworm larva yellow pupae of C. glomeratus under ICW larva
22 Parasitoids Cotesia rubecula, Braconid wasp larva & pupa emerged from ICW larvae
23 Parasitoids Pteromalid wasps, Pteromalus spp., deposit eggs in imported cabbageworm larvae and pupae
24 Parasitoids Cotesia orobenae pupae (Note how wasps have emerged from two pupal cases) C. orobenae parasitoid of cross-striped cabbageworm larvae (top) CSCW egg batch (bottom)
25 Parasitoids Diadigma insulare, Ichnumonid wasp pupa inside diamondback moth puparium healthy DBM pupa
26 Parasitoids C. rubecula pupae Diadigma insulare, Ichnumonid wasp pupa (top) Cotesia rubecula, Brachonid wasp pupa (bottom)
27 Parasitoids Hyposoter spp., Ichneumonid wasp pupa beside dead fall armyworm larva
28 Parasitoids Aphidiid wasps developing inside round (brown) aphid mummies emergence holes of adult wasps
29 Parasitoids Diaeretiella rapae, parasitoid of cabbage aphid - can be purchased commercially
30 Parasitoids Photo by Kristen Potter Trichogramma spp. wasps are tiny egg parasitoids
31 Parasitoids Photo by J. Ogrodnick or staff, NYSARS European corn borer eggs parasitized by Trichogramma ostriniae wasps Commercially-purchased T. ostriniae released from white cards
32 Parasitoids Photo by J. Ogrodnick or staff, NYSARS Tachinid fly Trichopoda pennipes, a parasitoid of squash bugs
33 Parasitoid s Tachinid fly eggs on fall armyworm larva
34 Parasitoids Tachinid fly egg on Colorado potato beetle
35 Parasitoids Photo by Rolando Lopez, UMass Tachinid fly (Myiopharua spp.) emerging from Colorado potato beetle
36 Pathogens Photo by J. Ogrodnick or staff, NYSARS Fungi attack aphids, leafhoppers, flies, caterpillars, whiteflies, beetles, thrips and mites
37 Pathogens Photo by J. Ogrodnick or staff, NYSARS Cabbage looper larva attacked by a nuclear polyhedrosis virus
38 Native plants for beneficial refuges (shelter/food) Umbelliferae family: Anis, Coriander/Cilantro, Caraway, Dill, Fennel Compositae family: Strawflowers, black-eyed Susan, Coreopsis, Yarrow Sweet Alyssum, Borage, Peony Sage Sunflower Fava bean Cowpea Buckwheat
39 PennState s Trial on Perennial Plants with Most Insect Visits Clustered mountain mint, Pycnanthemum muticum 22 insect genera, 5-12X as many pollinator visits Stiff goldenrod, Solidago rigida 22 insect genera, but 1/5 as many pollinator visits Thoroughwort, Eupatorium hyssopifolium 15 insect genera, 1/6 as many pollinator visits
40 Parasite Short-winged blister beetles, Meloe campanicollis larvae parasitize solitary ground bees We thought he had a Brassica crop infestation, but it turns out it was a ground bee infestation
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