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Center for Agriculture, Food, and the Environment
UMass Extension Vegetable Program
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Vegetable Insect & Mite Pest Search Tool

Use this tool to identify major insect and mite pests affecting Massachusetts vegetable crops.

  1. Filter Your Search: Enter known characteristics into the fields below to narrow down the list of potential pests. For technical tips, visit our Guide to Using Filters Effectively.
  2. Browse Results: Review the list of pests generated by your search criteria.
  3. Access Fact Sheets: Select any pest from your results to view its full fact sheet, which includes detailed guidance on:
    • Identification & Life Cycle
    • Crop Damage & Scouting
    • Management Strategies
  • Image

    Allium leafminer

    Phytomyza gymnostoma
  • Image
    Asparagus aphid wingless adult. Photo: W. Cranshaw, Colorado State University, Bugwood.org

    Asparagus Aphid

    Brachycorynella asparagi
  • Image
    Asparagus miner damage to roots and crown. Photo: D. Ferro

    Asparagus Miner

    Ophiomyia simplex
  • Image
    A portion of mined beet foliage peeled back to reveal small white maggots

    Beet and Spinach Leafminer

    Pegomya betae, Pegomya hyoscyami
  • Image
    Black cutworm larva. Photo: UMass Extension Vegetable Program

    Black Cutworm

    Agrotis ipsilon
  • Image
    Small dark colored beetles feeding on brassica foliage

    Brassica Flea Beetles

    Phyllotreta cruciferae, Phyllotreta striolata
  • Image
    Brown marmorated stink bug adult. Photo: D. R. Lance, USDA APHIS PPQ, Bugwood.org

    Brown Marmorated Stink Bug

    Halyomorpha halys
  • Image
    Feeding damage caused by mites in garlic. Note brown spots on left. Photo: E. Sideman

    Bulb Mites

    Aceria tulipae, Rhizoglyphus spp.
  • Image
    Cabbage aphid colony. Photo: UMass Vegetable Program

    Cabbage Aphid

    Brevicoryne brassicae
  • Image
    Cabbage looper. Photo: J. Boucher

    Cabbage Looper

    Trichoplusia ni
  • Image
    Cabbage root maggot larvae in soil. Photo: D. Ferro

    Cabbage Root Maggot

    Delia radicum
  • Image
    Carrot rust fly larva and damage to root. Photo: C. Miles, Washington State University

    Carrot Rust Fly

    Psila rosae
  • Image
    Carrot weevil larvae. Photo: W. Cranshaw, Colorado State University, Bugwood.org

    Carrot Weevil

    Listronotus oregonensis
  • Image
    An adult Colorado potato beetle, with an orange mottled head and thorax and tan and black striped wing covers, chewing on a leaf

    Colorado Potato Beetle

    Leptinotarsa decemlineata
  • Image
    Common asparagus beetle adult. Photo: G. Higgins

    Common Asparagus Beetle

    Crioceris asparagi
  • Image
    Stalk Borer, Common, Papaipema nebris

    Common Stalk Borer

    Papaipema nebris
  • Image
    Corn earworm larva. Photo: R. Hazzard

    Corn Earworm

    Helicoverpa zea
  • Image
    A colony of small blue-green aphids on corn tassels, each with dark green heads and cornicles

    Corn Leaf Aphid

    Rhopalosiphum maidis
  • Image
    Cross-striped cabbageworm. Photo: Thomas Kuhar, Virginia Tech

    Cross-Striped Cabbageworm

    Evergestis rimosalis
  • Image
    Diamondback moth larvae, with characteristic windowpane feeding damage. Photo: UMass Extension Vegetable Program

    Diamondback Moth

    Platella zylostella
  • Image
    ECB Adult

    European Corn Borer

    Ostrinia nubilalis
  • Image
    Fall armyworm catapillar. Photo: R. Hazzard

    Fall Armyworm

    Spodoptera frugiperda
  • Image
    Fungus gnat larvae

    Fungus Gnats & Shore Flies

    Bradysia spp., Scatella stagnalis
  • Image
    Nymph, wingless adult, and winged adult green peach aphid. Photo: D. Ferro

    Green Peach Aphid

    Myzus persicae
  • Image
    Whitefly, Greenhouse

    Greenhouse Whitefly

    Trialeurodes vaporariorum
  • Image
    Imported cabbageworm adult. Photo: Jude Boucher

    Imported Cabbageworm

    Pieris rapae
  • Image
    Melon aphids, with two aphid mummies immediately above the horizontal leaf vein. Photo: M. Spellman

    Melon Aphid

    Aphis gossypii
  • Image
    Mexican Bean Beetle adult, eggs, and larvae

    Mexican Bean Beetle

    Epilachna varivestis
  • Image
    Onion Maggot

    Onion Maggot

    Delia antiqua
  • Image
    Thrips nymphs on onion leaf

    Onion Thrips

    Thrips tabaci
  • Image
    Pea aphids. Photo: W. Cranshaw, Colorado State University, Bugwood.org

    Pea Aphid

    Acyrthosiphon pisum
  • Image
    Pepper maggot within pepper fruit. See seeds in top of photo for scale. Photo: J. Boucher

    Pepper Maggot

    Zonosemata electa
  • Image
    An adult wingless potato aphid is in the center of the frame, with juveniles around it. They are pinkish-brown with long legs and cornicles.

    Potato Aphid

    Macrosiphum euphorbiae
  • Image
    A side profile of a small lime-green insect with glassy wings on a potato leaf

    Potato Leafhopper

    Empoasca fabae
  • Image
    A beetle on an ear of corn, smaller than the kernels next to it. It is dark-colored, somewhat slender, and has short wing covers that do not cover its full abdomen.

    Sap Beetles

    Carpophilus lugubris, Gilscvrochilus quadrisgnatus, Stelidota geminate
  • Image
    A shiny bronze and green beetle feeding on foliage

    Scarab Beetles

    Popillia japonica, Maladera formosae, Exomala orientalis, Amphimallon majale
  • Image
    Seedcorn maggot, Delia platura

    Seedcorn Maggot

    Delia platura
  • Image
    A slug on a leaf

    Slugs

    Deroceras reticulatum, Deroceras laeve, Arion fasciatus, Limax maximus
  • Image
    A tiny black beetle with large hind legs and small hairs across its wing covers sitting on a leaf

    Solanaceous Flea Beetles

    Epitrix fuscula, Epitrix cucumeris
  • Image
    Spotted asparagus beetle adult. Photo: D. Ferro

    Spotted Asparagus Beetle

    Crioceris duodecimpunctata
  • Image
    Spotted cucumber beetle. Photo: S. Ellis, Bugwood.org

    Spotted Cucumber Beetle

    Diabrotica undecimpunctata howardi
  • Image
    Spotted Wing Drosophila

    Spotted Wing Drosophila

    Drosophila suzukii
  • Image
    Squash bug adult and nymphs feeding on pumpkin. Photo: Ruth Hazzard, Univ. of Massachusetts

    Squash Bug

    Anasa tristis
  • Image
    Squash vine borer adult. Photo: Alan Eaton, Univ. of New Hampshire

    Squash Vine Borer

    Melittia cucurbitae
  • Image
    brown stink bug

    Stink Bugs

  • Image
    Striped cucumber beetle and extensive feeding damage on a squash leaf. Photo: UMass Extension Vegetable Program

    Striped Cucumber Beetle

    Acalymma vittatum
  • Image
    Swede midge larva. Photo: Swede Midge Information Center for the U.S.

    Swede Midge

    Contarinia nasturtii
  • Image
    A small mottled brown bug with light and dark markings on its wing covers on the edge of a leaf.

    Tarnished Plant Bug

    Lygus lineolaris
  • Image
    Large green caterpillar with small red "horn" on its rear end and diagonal white stripes along its side. It's head is curled up inwards in a defensive posture.

    Tomato Hornworm

    Manduca quinquemaculata
  • Image
    A magnified image of tan mites shaped like elongated teardrops with tiny legs at the rounded end

    Tomato Russet Mite

    Aculops lycopersici
  • Image
    Common armyworm, or true armyworm. Photo: M. Spellman

    True Armyworm

    Pseudaletia unipunctata
  • Image
    Twospotted spider mite damage to tomato

    Two-Spotted Spider Mite

    Tetranychus urticae
  • Image
    Variegated cutworm.

    Variegated Cutworm

    Peridroma saucia saucia
  • Image
    Thrips, Western Flower

    Western Flower Thrips

    Frankliniella occidentalis
  • Image
    Wireworm, Melanotus spp., larva

    Wireworms

    Melanotus spp.

The Center for Agriculture, Food and the Environment and UMass Extension are equal opportunity providers and employers, United States Department of Agriculture cooperating. Contact your local Extension office for information on disability accommodations. Contact the State Center Director’s Office if you have concerns related to discrimination, 413-545-4800 or see ag.umass.edu/civil-rights-information.

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