Clarke, S.R., DeBarr, G.L., & Berisford, C.W. 1989 Life history of the woolly pine scale Pseudophilippia quaintancii Cockerell (Homoptera: Coccidae) in loblolly pine seed orchards.. Journal of Entomological Science 24: 365-372.

Notes: Abstract: Biology; populations significantly affected by tree clone & crown level; higher average survival in upper crown; natural enemies; parasitism low. Keywords: biology.