McCambridge, W.F., & Pierce, D.A. 1964 Observations on the life history of the pinyon needle scale Matsucoccus acalyptus (Homoptera, Coccoidea, Margarodidae).. Annals of the Entomological Society of America 57: 197-200.
McCambridge, W.F., & Pierce, D.A. 1964 Observations on the life history of the pinyon needle scale Matsucoccus acalyptus (Homoptera, Coccoidea, Margarodidae).. Annals of the Entomological Society of America 57: 197-200.