McClain, D.C., Rock, G.C., & Woolley, J.B. 1990 Influence of trap color and San Jose scale (Homoptera: Diaspididae) pheromone on sticky trap catches of 10 aphelinid parasitoids (Hymenoptera).. Environmental Entomology 19(4): 926-931.

Notes: Abstract: 10 parasitoid species collected on traps: Ablerus clisiocampae, Aphytis diaspidis, Encarsia sp., A. melanostictus, Coccobius sp., Coccophagoides murtfeldtae, E. aurantii, E. perniciosi, Marietta carnesi and M. mexicana; red, black and yellow traps with and without pheromones compared. Keywords: biological control.