McClain, D.C., Rock, G.C., & Stinner, R.E. 1990a Thermal requirements for development and simulation of the seasonal phenology of Encarsia perniciosi (Hymenoptera: Aphelinidae), a parasitiod of the San Jose scale (Homoptera: Diaspididae) in North Carolina orchards.. Environmental Entomology 19(5): 1396-1402.

Notes: Abstract: Quadraspidiotus perniciosus (Comstock) attracts this endoparasitoid with pheromones. Keywords: biological control/pheromones.