Townsend, C.H.T. 1892. Biologic notes on New Mexico insects. Can. Ent. 24: 193-200 (
BHL).
Wheeler Jr., A.G. 1976. Yucca plant bug,
Halticotoma valida: authorship, distribution, host plants, and notes on biology. Florida Entomologist 59: 71–75. (
Full PDF)