spider wasp

noun
any of certain wasps, especially of the family Pompilidae, that provision their nests with paralyzed spiders.

Origin:
1810–20

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Encyclopedia Britannica
Encyclopedia

spider wasp

any insect of the family Pompilidae, also known as Psammocharidae (order Hymenoptera). They are distributed throughout most of the world. About 40 species occur in Great Britain, and more than 100 species are found in North America. Although they feed on spiders helpful to humans, the wasps are not regarded as economically destructive

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Nearly the size of a hummingbird, it is our largest member of the spider wasp family.
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