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Scoliid Wasp (Campsomeris plumipes fossulana)


Detailing the identifying qualities of the Scoliid Wasp, including physical features and territorial reach.


 Updated: 8/8/2017; Authored By Staff Writer; Content ¬©www.InsectIdentification.org







  Scoliid Wasp  
Picture of Scoliid-Wasp
Picture of Scoliid-Wasp


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.





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.








Scoliid Wasp Information



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


Taxonomy Hierarchy



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

Size, Identifying Tags and Territorial Reach



Size (Adult, Length): Size (Adult, Length): 15 mm to 25 mm (0.585 inches to 0.975 inches)
Identifying Colors: black, yellow
Additional Descriptors: flying, stinging, parasitic

North American Territorial 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

A Note About Territorial Reach: Keep in mind that an insect's reach is not limited by lines drawn on a map and therefore species may appear in areas, regions and/or states beyond those listed above. Insects are driven by environmental factors, food supplies and mating patterns and do not nescessarily work within hard-and-fast territorial lines like we humans do.

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