Efferia willistoni
(Hine, 1919)
Williston Hammertail
Efferia willistoni is a of in the , commonly known as the Williston Hammertail. It is one of approximately 200 species in the Efferia, a diverse group of predatory distributed primarily in the Americas. The species was described by Hine in 1919. As with other asilids, it is presumed to be an active aerial of other .
Pronunciation
How to pronounce Efferia willistoni: /ˈɛfəˌraɪə ˌwɪˈlɪstoni/
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