Foster, D.E., Ueckert, D.N., & DeLoach, C.J. 1981 Insects associated with broom snakeweed (Xanthocephalum sarothrae) and threadleaf snakeweed (X. microcephala) in west Texas and eastern New Mexico.. Journal of Range Management 34: 446-454.

Notes: Eriococcus cryptus, E. dubius, Tachardiella glomerella, Steatococcus townsendi, Chorizococcus sp., Phenacoccus gossypii, P. helianthi and Spilococcus sp. are among list of species.