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Insects › Robber Flies

Northeastern Hammertail

Efferia aestuans

22,907 observations in the source records

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Wildlife study photograph from iNaturalist.
(c) famousmango, no rights reserved (CC0)

29 photos

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What the records say

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Massachusetts.January 111, February 101, March 122, April 199, May 368, June 169, July 892, August 422, September 157, October 154, November 114, December 107.
United States9,104
Canada2,406
Massachusetts2,381
Ontario1,982
New York1,902
Ohio1,429
Michigan862
Illinois653
Connecticut636
New Jersey492

Counts show where people looked, not only where it lives.

Traits

Physical

  • ExoskeletonHas a hard external skeletonFrom its classification

Classification

KingdomAnimals · Animalia
PhylumArthropods · Arthropoda
ClassInsects · Insecta
OrderFlies · Diptera
FamilyRobber Flies · Asilidae
GenusHammertails · Efferia

Sources

Remember the name next time.

Practise Northeastern Hammertail with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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