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Three-banded Mason Wasp

A⁠ncistrocerus trifasciatus


Primarily black body with three yellow bands on the abdomen. In the female, the head has a yellow spot between the antenna attachment. The body length is around 12mm.


Forest edge on a Canadian goldenrod.


Norwegian name: T⁠rebåndet murerveps

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arne.roysland 2 weeks ago

Thank you John for your kind comment.

John B.
John B. 2 weeks ago

Your photos are always great< Arne, but your second picture of this wasp is just fabulous!

Spotted by

Vestfold og Telemark, Norway

Spotted on Sep 14, 2023
Submitted on Sep 18, 2023

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