species 1,998 observations
Greene's Giant Ichneumonid Wasp
Megarhyssa greenei
Field notes
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.
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2
native plants
support it in the US
support it in the US
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided