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Family Aulacidae

Pristaulacus Aulacus sp. - Pristaulacus melleus - female Small ichneumon? - Pristaulacus Brachonid? - Pristaulacus - female Brachonid? - Pristaulacus - female Long ovipositor - Pristaulacus - female Ichneumonidae - Pristaulacus - female Ichneumonidae - Pristaulacus - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" (parasitic Apocrita))
Superfamily Evanioidea (Aulacids, Ensigns, and Gasteruptiids)
Family Aulacidae
Numbers
~30 spp. in 2 genera in our area(1), ~170 described spp. in 3 genera worldwide + about as many undescribed(2)
Identification
Resemble Gasteruptiidae, but our spp. are usually black with reddish abdomen, longer antennae, and two recurring veins in the front wing
Range
most of the world, more diverse in the tropics(2)
Habitat
Adults usually found around logs where hosts occur
Food
endoparasitoids of the wood-boring larvae of beetles (of several families, but mostly longhorns) and Xiphydria wood wasps(2)
Remarks
Frequently mistaken for ichneumon wasps as they often frequent dead standing trees, logs, woodpiles. Note "neck" between head and thorax and the high attachment point of the metasoma
Works Cited
1.World catalog of the family Aulacidae (Hymenoptera)
Smith D.R. 2001. Contributions on Entomology, International 4: 263-319.
2.Aulacidae, by J.T. Jennings & A.R. Deans (in The Tree of Life Web Project)