Hambleton, E.J. 1979a Rhizoecus mealybugs of Texas, with description of a new species (Homoptera: Pseudococcidae).. Proceedings of the Entomological Society of Washington 81: 650-652.
Notes: R. brevirostris, new sp.; notes on 6 other Rhizoecus spp.; first records for Texas and U.S.