Species Eriotremex formosanus - Asian Horntail Wasp

Classification · Other Common Names · Synonyms and other taxonomic changes · Identification · Range · Food · Remarks · Print References · Works Cited

Ichneumonid? - Eriotremex formosanus - female

Found on a downed tree - Eriotremex formosanus

wasp family? never seen anything like this before - Eriotremex formosanus

Asian Horntail - Eriotremex formosanus - female

Hymenoptera - Eriotremex formosanus - female

Asian Horntail (Eriotremex formosanus)?? - Eriotremex formosanus

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Hymenoptera (Ants, Bees, Wasps and Sawflies)

No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)

Family Siricidae (Horntail Wasps)

Subfamily Tremecinae

Genus Eriotremex

Species formosanus (Asian Horntail Wasp)

Other Common Names

Asian horntail sawfly

Asian horntail woodwasp

Asian horntail wood wasp

Synonyms and other taxonomic changes

Eriotremex formosanus (Matsumura)

Orig. Comb: Tremex formosanus Matsumura 1912

Identification

Antennae short, blunt, black; abdomen with long yellow hairs on dorsum (1)

Range

TX-FL-VA, mostly close to the coast (+ UT & AR records) (1)(2),(Warriner 2008)

native to SE Asia, adventive in our area

Food

hardwoods (oak, hickory, sweetgum, probably others) (1); attacks mostly dead/dying wood, so not a serious pest

Remarks

introduced accidentally with wood (crates, etc.); first reported in 1975 (Warriner 2008)

Print References

Warriner, M.D. 2008. First record of the Asian horntail Eriotremex formosanus (Hymenoptera: Siricidae) in Arkansas, U.S.A. Entomological News 119: 212-213. Full PDF

Works Cited

1.	Guide to the siricid woodwasps of North America Schiff N.M., Valley S.A., LaBonte J.R., Smith D.R. 2006. USDA Forest Service, Forest Health Technology Enterprise Team, Morgantown, WV. 101 pp.

2.	Siricidae (Hymenoptera: Symphyta: Siricoidea) of the Western Hemisphere Schiff, N.M., Goulet, H., Smith, D.R., Boudreault, C., Wilson, A.D., and Scheffler, B.E. 2012. Canadian Journal of Arthropod Identification No. 21: 305 pp.

Contributed by Eric R. Eaton on 8 November, 2005 - 2:21pm
Additional contributions by Beatriz Moisset, Chuck Entz, Mike Quinn, v belov, PaleoJon
Last updated 21 June, 2021 - 8:28am

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