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  • Thread-Waisted Wasp - (Eremnophila aureonotata)

    Thread-Waisted Wasp - (Eremnophila aureonotata)

    Thread-Waisted Wasps may look fragile, but they have tremendous strength in their small bodies, tackling caterpillars with wider girth.

    Staff Writer (8/8/2017): Thread-Waisted Wasps are also known as Needle-Waisted Wasps. It is hard to believe that fluids can pass through such a narrow center, but it works. They frequent blossoms to drink from and hunt on. Popular varieties to check are asters, Queen Anne's lace, horsemint, and goldenrod. The black body can appear blue in some light and the thorax has white spots on near the joints where the legs connect. They have strong jaws and are nimble in flight.

    Found on flowers either mating, searching for caterpillars, or drinking nectar, female Thread-Waisted Wasps work hard to ensure the next generation gets a great start. She builds a burrow and fills it with fertilized eggs. She hunts and tackles a plump caterpillar and stings it, paralyzing, but not killing it. She then hauls the paralyzed caterpillar back to her burrow and places it next to her eggs. She then carefully covers the entrance of her burrow with dirt, debris and rocks to hide it from things that would eat her eggs and rob her of all her hard work. Once hatched, the wasp larvae feed on the still immobile caterpillar until they pupate. When they emerge as winged adults, the search for nectar to drink and a mate begins anew.

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    Details of the:
    Thread-Waisted Wasp

    Category: Bee, Ant, Wasp and Similar
    Common name: Thread-Waisted Wasp
    Scientific Name: Eremnophila aureonotata

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Hymenoptera
          Family: Sphecidae
           Genus: Eremnophila
            Species: aureonotata

    Identifying Colors: black, white

    Additional Descriptors: skinny, waist, thin, needle, flying, stinging

    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; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; 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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