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Sclerodermus macrogaster on finger

Sclerodermus macrogaster on finger

Wasps in the genus Sclerodermus, such as this Sclerodermus macrogaster specimen submitted to Penn State University’s entomology extension service, are small (1.5 to 6 millimeters in length) and often wingless, which makes them easily mistakable for ants to the untrained eye. (Image originally published in Skvarla 2018, Journal of Medical Entomology)

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