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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Apoidea sans Anthophila – Apoid Wasps » Square-headed Wasps, Sand Wasps, and Allies (Crabronidae) » Square-headed Wasps (Crabroninae) » Trypoxylini » Trypoxylon » Subgenus Trypargilum (Trypoxylon Subgenus Trypargilum) » Trypoxylon collinum
Photo#415533
Adult wasp from tube nest. 6, 21, 2010 - Trypoxylon collinum
Copyright © 2010 Beatriz Moisset

Adult wasp from tube nest. 6, 21, 2010 - Trypoxylon collinum
Willow Grove, Montgomery County, Pennsylvania, USA
June 21, 2010
Size: 8-10 mm
The one that I brought indoors in early spring to speed up maturation emerged on 6/1/2010. The ones kept outdoors emerged around 6/20/2010; unfortunately I missed the big event once again.
Oddly there were three adults and only one broken cocoon with the remnants of some spiders. I assume that one failed. But, where are the three cocoons that belong to these ones? Do they eat them up? Does anybody know?
One adult is considerably larger than the others, 10 mm, could it be a female and the others males?

Images of this individual: tag all
Larvae inside paper tube nests. 9, 1, 2009 - Trypoxylon collinum Larvae inside paper tube nests - Trypoxylon collinum Larvae inside paper tube nests - Trypoxylon collinum Larvae inside paper tube nests - Trypoxylon collinum Larvae inside paper tube nests. 9, 1, 2009 - Trypoxylon collinum Larvae inside paper tube nests. 9, 1, 2009 - Trypoxylon collinum Larvae inside paper tube nests - Trypoxylon collinum Parasite on larva from paper tube nests.9/1/09 - Trypoxylon collinum Larva inside paper tube nests and parasite.11/13/09 - Trypoxylon collinum Larvae inside paper tube nests - Trypoxylon collinum Larva's unfinished spider meal. - Trypoxylon collinum Pupa from tube nest 6/4/2010 - Trypoxylon collinum Pupa from tube nest 6/4/2010 - Trypoxylon collinum Pupa from tube nest 6/4/2010 - Trypoxylon collinum Adult wasp from tube nest. 6, 21, 2010 - Trypoxylon collinum Adult wasp from tube nest - Trypoxylon collinum Adult wasp from tube nest - Trypoxylon collinum
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Contributed by Beatriz Moisset on 23 June, 2010 - 2:56pm
Last updated 4 January, 2019 - 6:52pm

Moved
Moved from Trypoxylon.
… Matthias Buck, 10 August, 2010 - 4:44pm login or register to post comments

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