Efferia costalis
(Williston, 1885)
Crested Hammertail
Efferia costalis is a of () described by Williston in 1885. The species is known by the "Crested Hammertail." As a member of the Efferia, it belongs to a diverse group of predatory commonly found in North America. The species has been documented through limited observations, with only 3 records reported on iNaturalist.
Pronunciation
How to pronounce Efferia costalis: /ɛˈfɛr.i.ə kɒˈstaː.lɪs/
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Distribution
Documented from North America; specific range details are limited due to sparse occurrence records.