Pelecinid Wasp, Day Brook Pond, Kennebunk Plains Wildlife Management Area, Maine

It has been at least a year, and it may have been two, since I encountered a Pelecinid Wasp. My first sighting was at Emmons Preserve in Kennebunkport. This one came from Day Brook Pond on the Kennebunk Plains Wildlife Management Area. I was surprised to see it fly across the path in front of me and land in a small birch at the edge of the forest…but there is no mistaking this very strange bug with its extended abdomen trailing out behind a body with such small wings that it seems totally impossible that the thing could fly. The long abdomen is used to inject eggs into scarab beetle larvae while they are still underground. Close up, the hind legs feature strange bulges, which have no apparent use. Stranger still, almost all Pelecinid Wasps seen or collected in North America are females. Males, with a shorter, swollen abdomen, only account for 4% of sightings. It is possible that female wasps develop from unfertilized eggs…and that would make them very strange indeed, as insects just do not do that. But then, if that is case…why are there any males at all? Strange. The Pelecinid is strange all over.

Sony HX90V at about 1400mm equivalent field of view (using Clear Image digital Zoom). 1/250th @ ISO 400 @ f6.4. Processed in Lightroom.