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

Subfamily Alydinae

Unknown insect - Alydus pilosulus Broad-headed Bug - Megalotomus quinquespinosus Bug - Hyalymenus tarsatus Ant mimic (?) - Hyalymenus tarsatus Megalotomus quinquespinosus nymph?  (Lupine Bug) - Megalotomus quinquespinosus Ant, sawfly, something else? - Alydus eurinus Broad-headed bug - Megalotomus quinquespinosus Tollius
Classification
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)
Identification
nymphs are often ant mimics(2)
Range
worldwide and throughout NA(1)(2)
Food
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.