Hare, J.D., Morgan, D.J.W., & Nguyun, T. 1997 Increased parasitization of California red scale in the field after exposing its parasitoid, Aphytis melinus, to a synthetic kairomone.. Entomologia Experimentalis et Applicata 82: 73-81.

Notes: The introduced parasitoid, Aphytis melinus utilizes a kairomone, O-caffeoyltyrosine, to recognize California red scale, Aonidiella aurantii; wasps used in augmentative release programs for California red scale on California citrus are reared on oleander scale, Aspidiotus nerii, themselves reared on squash.