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

Subfamily Alydinae

Broad-headed Bug? - Alydus pilosulus broad-headed bug - Megalotomus quinquespinosus Black broad-headed bug - Alydus eurinus Hyalymenus? - Hyalymenus tarsatus Texas Bow-legged Bug Nymph? - Hyalymenus tarsatus Alydidae sp - Megalotomus quinquespinosus unknown bug - Tollius Alydus - 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.