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

Subfamily Alydinae

assassin bug - Alydus eurinus BG2332 E6061 - Hyalymenus tarsatus Alydidae - Broad-headed Bugs Alydus eurinus - Alydus eurinus Hemipteran - Megalotomus quinquespinosus Hyalymenus tarsatus Broad-headed Bug, Alydidae? - Hyalymenus tarsatus Hyalymenus tarsatus nymph  - Hyalymenus tarsatus Alydus pilosulus? - Alydus pilosulus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Heteroptera (True Bugs)
Infraorder Pentatomomorpha
Superfamily Coreoidea (Leatherbugs)
Family Alydidae (Broad-headed Bugs)
Subfamily Alydinae
Explanation of Names
by far the largest of the two subfamilies, with 21 spp. in 8 genera in our area(1)(2), incl. Apidaurus conspersus (so. TX)(3)
nymphs are often ant mimics(2)
worldwide and throughout NA(1)(2)
primarily on Fabaceae (often on seeds)(2)
Print References
Fracker, S.B. 1918. The Alydinae of the United States. Annals of the Entomological Society of America 11: 255-280. (4)
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Zoological catalogue of Australia: Hemiptera: Heteroptera (Pentatomomorpha)
Cassis G., Gross G.F. 2002. CSIRO Publishing, 751 pp.
3.A revision of Apidaurus (Hemiptera: Alydidae: Alydinae)
C.W. Schaefer & J.C. Schaffner. 2003. Annals of the Entomological Society of America 96(5):615-624.
4.The Alydinae of the United States
S.B. Fracker. 1918. Annals of the Entomological Society of America 11:1918. 255–282.