McKenzie, H.L. 1942 New species of pine-infesting Margarodidae from California and southwestern United States (Homoptera; Coccoidea; Margarodidae). (Contribution No. 30).. Microentomology 7: 1-18.

Notes: Tribe Pityococcini new; Pityococcus n. gen., P. ferrisi, P. deleoni, P. rugulosus n. spp.; Desmococcus n. gen. D. captivus, D. sedentarius n. spp.