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Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

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Subgenus Trypargilum

Wasp - Trypoxylon collinum - female Wasp - Trypoxylon politum Subgenus Trypargilum (Trypoxylon Subgenus Trypargilum) - Trypoxylon mud gathering wasp - Trypoxylon politum - female Trypoxylon - Trypoxylon politum - female Trypoxylon Wasp - Trypoxylon Trypoxylon californium. ? - Trypoxylon
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
No Taxon (Apoid Wasps (traditional Sphecidae))
Family Crabronidae (Square-headed Wasps, Sand Wasps, and Allies)
Subfamily Crabroninae (Square-headed Wasps)
Tribe Trypoxylini
Genus Trypoxylon
No Taxon Subgenus Trypargilum
Numbers
14 spp. in our area(1)(2)
1. Trypoxylon acipipenne: se.AZ
2. Trypoxylon californicum: western (AZ, CA, NM, NV, OR, w.TX, UT, WA)
3. Trypoxylon clavatum: widespread eastern to AZ (AL, AR, AZ, CO, CT, FL, GA, IL, IN, KS, KY, LA, MD, MO, MS, NC, NE, NJ, NM, OK, PA, SC, SD, TN, VA, WI, WV)
4. Trypoxylon collinum: eastern to central (AL, CT, DE, FL, GA, IA, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, NC, NJ, NY, OH, OK, PA, SC, TN, TX, VA, WI)
5. Trypoxylon evansi: s.AZ
6. Trypoxylon lactitarse: eastern (AL, CT, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, RI, SC, TN, TX, VA, WI, WV)
7. Trypoxylon nitidum: se.TX
8. Trypoxylon occidentalis: AZ
9. Trypoxylon orizabense: s.AZ
10. Trypoxylon politum: central and eastern (AL, AR, CT, DE, FL, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MO, MS, NC, NE, NH, NJ, NY, OH, OK, PA, SC, TN, TX, VA, WV)
12. Trypoxylon texense: central to southeastern (NM, TX, LA, MS, AL, GA, FL, OK, AR, TN, NC, SC, MO, KS, CO, NE, IL, KY)
13. Trypoxylon tridentatum: widespread (AZ, AR, CA, CO, CT, FL, GA, ID, IN, IA, KS, LA, MD, MI, MO, MT, NC, NE, NJ, NM, NV, NY, OH, OK, OR, PA, TX, UT, VA, WA, WV)
14. Trypoxylon xantianum: s.CA
Identification
For keys and descriptions see Coville(2)(1982)