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  • Spotted Cucumber Beetle - (Diabrotica undecimpunctata howardi)

    Spotted Cucumber Beetle - (Diabrotica undecimpunctata howardi)

    The Spotted Cucumber Beetle eats more than just its namesake, thus making it a very destructive force in the vegetable patch.

    Staff Writer (8/10/2017): Despite its attractive appearance, the Spotted Cucumber Beetle is a bane to those growing food. Both adults and larvae of this species feed on a variety of food plants that people grow and eat themselves. The larvae (grubs) chew up the roots of cucumbers, beans, melons, squash and pumpkins. In addition to these vegetables, they also feast of the roots of grasses including corn. For this reason, they may also be called Southern Corn Rootworms. Adults eat the foliage, tender seedlings and produce on the plants that survive larval attacks. In addition to those plants in the Cucumber Family, adults also attack peas and flowers.

    This beetle is active in spring and all summer long. They can be found in meadows, fields, farms, orchards and, of course, backyard gardens. Adults can survive winters in the southern states and Mexico, leading to possibly three generations in one year. They are able to migrate north once the warmer weather arrives and can quickly infest an area.

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    Details of the:
    Spotted Cucumber Beetle

    Category: Beetle
    Common name: Spotted Cucumber Beetle
    Scientific Name: Diabrotica undecimpunctata howardi
    Other Names: Southern Corn Rootworm

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Coleoptera
          Family: Chrysomelidae
           Genus: Diabrotica
            Species: undecimpunctata howardi

    Size (Adult, Length): 6mm to 7mm (0.24in to 0.28in)

    Identifying Colors: yellow, black, green

    Additional Descriptors: flying, harmful, spotted

    North American Reach (Though Not Limited To*): Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Nebraska; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Vermont; Virginia; West Virginia; Wisconsin; Wyoming; Alberta; British Columbia; 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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