Pigeon tremex

6637.    This photo was taken in Regina, SK Canada at the beginning of September/19. It is on the outside of a window screen. Regina, SK. Canada


Number 6637. This is a pigeon tremex, Tremex columba (Hymenoptera: Siricidae). Also known as a horntail, their larvae tunnel in the wood of dead/dying hardwood trees where they are preyed upon by the larvae of giant ichneumon wasps in the genus Megarhyssa.  Click here for more detailed information.

1 reply
  1. Sara Weiss says:

    Thank you for identifying the insect. The pigeon tremex looks much like a large wasp but with long legs, which altogether, looks very imposing. But I am glad of know that this insect is harmless.

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