Essig, E.O. 1910f The natural enemies of the citrus mealy bug II.. Pomona College Journal of Entomology 2(3): 260-274.

Notes: Cryptolaemus montrouzieri and Rhizobius ventralis are discussed on hosts Dactylopius adonidum, Eriococcus spp., Lecanium spp. Rhizococcus ventralis and Saissetia oleae.