Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Colpotrochia

Ichneumon - Colpotrochia crassipes - female Ichneumon - Colpotrochia trifasciata - female Wasp - Colpotrochia crassipes Colpotrochia sp. (?) - Colpotrochia crassipes - female Small wasp - Colpotrochia crassipes Colpotrochia - Colpotrochia crassipes Colpotrochia sp. ? - Colpotrochia fultoni Colpotrochia crassipes? - Colpotrochia crassipes
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" - Parasitoid Wasps)
Superfamily Ichneumonoidea (Braconid and Ichneumonid Wasps)
Family Ichneumonidae (Ichneumonid Wasps)
Subfamily Metopiinae
Genus Colpotrochia
Explanation of Names
Colpotrochia Holmgren 1856
Numbers
4 spp. in our area(1)
Identification
All species have yellow scapes and a black head. Species are separated as follows:(2)

1. Colpotrochia crassipes - areolet absent, hind femur black, abdomen black with the first segment entirely yellow and bands on all following segments


2. Colpotrochia fultoni - areolet present, mesoscutum with parallel yellow lines down the middle each forming an anterior hook and following the lateral margin to the posterior, hind femur yellow, propodeum yellow, abdomen with the first segment entirely yellow and subsequent segments predominantly yellow with dark banding


3. Colpotrochia trifasciata - areolet absent, hind femur black, abdomen black with yellow bands on only the first 3 segments (and occasionally margin of 4th)


4. Colpotrochia texana - areolet present, hind femur yellow above, abdomen black with yellow bands on all segments
Internet References
Works Cited
1.Carlson R.W. () Ichneumonidae catalog
2.Ichneumon-Flies of America North of Mexico: 1. Subfamily Metopiinae
Marjorie Townes. 1959. Bulletin - United States National Museum, Vol. 216, pp. 1-316.