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  • Scoliid Wasp - (Campsomeris plumipes fossulana)

    Scoliid Wasp - (Campsomeris plumipes fossulana)

    Scoliid Wasps are a parasitic wasp that uses beetle grubs to feed it own young, even going so far as to use the grub's own lair for a nursery.

    Staff Writer (8/8/2017): Making use of work done by beetle grubs, female Scoliid wasps are not ashamed to cut corners and maximize reproductive success. Beetle grubs dig underground to feed and pupate. Females find a tunnel and sting the beetle larva inside, paralyzing it. She then lays a fertilized egg vertically near the grub's rear. The wasp larva, once hatched, will feed on the immobile beetle larva until it grows and pupates, emerging as an adult wasp in the spring. The beetle does not survive.

    Male and female adults do not look identical to each other though their markings are similar. Males are more slender while females have a plumper abdomen. Both can be found visiting flowers presumably to drink nectar.

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    Details of the:
    Scoliid Wasp

    Category: Bee, Ant, Wasp and Similar
    Common name: Scoliid Wasp
    Scientific Name: Campsomeris plumipes fossulana

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Hymenoptera
          Family: Scoliidae
           Genus: Campsomeris
            Species: plumipes fossulana

    Size (Adult, Length): 15mm to 25mm (0.59in to 0.98in)

    Identifying Colors: black, yellow

    Additional Descriptors: flying, stinging, parasitic

    North American Reach (Though Not Limited To*): Alabama; Arizona; Arkansas; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; 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; Washington; 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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