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For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

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

National Moth Week 2020 photos of insects and people.

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

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Previous events


Subfamily Tetrastichinae

parasitic wasp - Tetrastichus Pteromalid? from succulent oak gall - Aprostocetus - female Chalcid from dipteran goldenrod rosette gall - Aprostocetus - female Henryana female - Henryana - female black wasp emerged from eastern red cedar tree cone Tetrastichinae? - female Eulophidae - female eulophid: Baryscapus? - Baryscapus
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 Chalcidoidea (Chalcidoid Wasps)
Family Eulophidae
Subfamily Tetrastichinae
~240 spp. in ~50 genera in our area, __ spp. in 110 genera total(1)
According to Christer Hansson, there are no useful identification keys to North American species in this subfamily (at least not in the genera Aprostocetus, Baryscapus, and Minotetrastichus), so identification past genus is generally not possible.