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  • Squash Bug - (Anasa tristis)

    Squash Bug - (Anasa tristis)

    Smelly little Squash Bugs can ruin fruit and vegetable plants and their ability to survive winters can make them a chronic pest.

    Staff Writer (1/25/2017): Squash bugs are similar in appearance to Stink bugs. Both emit an odor when crushed, but squash bugs tend to feed on melons and squash while stink bugs feed on legumes like beans and peas. Squash Bugs suck on the juices of plant stems, leaves and fruits, leaving gaping wounds that eventually destroy the part of the plant they are feeding from.

    This hardy insect can survive the winter by hiding in beds of dead leaves and other debris. If they cannot find adequate shelter, they will die in the frost. Clearing yards of leaf litter and debris can help in preventing a backyard infestation from returning the next summer.

    Females lay hoards of eggs under leaves of plants they drink from. The brown metallic eggs will hatch and the young powdery nymphs are green with pinkish-red legs. They will feed on the leaves of the plant, causing them to dry out. Weather permitting, one or two generations can be produced every year.

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    Details of the:
    Squash Bug

    Category: True Bug
    Common name: Squash Bug
    Scientific Name: Anasa tristis

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Hemiptera
          Family: Coreidae
           Genus: Anasa
            Species: tristis

    Size (Adult, Length): 15mm to 17mm (0.59in to 0.67in)

    Identifying Colors: gray; black; brown; orange; yellow

    Additional Descriptors: flying, bands, stripes

    North American Reach (Though Not Limited To*): Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Hawaii; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; West Virginia; Wisconsin; Wyoming; Alberta; Manitoba; New Brunswick; Newfoundland and Labrador; Nova Scotia; Ontario; Prince Edward Island; Quebec; Saskatchewan; Mexico

    * Keep in mind that an insect's reach is not limited by lines on a map and therefore may appear in areas/regions/states beyond those listed above.

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