Tremex columba
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Tremex columba, also known as the pigeon tremex or pigeon horntail, is a species of horntail that is native to eastern and western North America.
Horntail wasp or wood wasp
Megarhyssa greenei
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Megarhyssa greenei, also known as Greene's giant ichneumonid wasp, is a species of large ichneumon wasp. It is known from the United States and Canada.
Tremex columba
…eggs into the tree. The female will die after this process, and carcasses can sometimes be seen stuck to the bark of host trees. Megarhyssa macrurus, M. greenei, and M. atrata are the natural predators of this species. The female Megarhyssa seeks out the larvae within the tunnels bored by this species. It then…
Megarhyssa greenei female