Homalotylus Mayr 1876
Hosts. Coleoptera: Coccinellidae
affinis Timberlake 1919c: 165
Type. USNM
Distribution. C (Kings, San Bernardino)
Host/habitat. Hyperaspis osculans; NEW: Hyperaspis pleuralis (EMEC)
hyperaspidis Timberlake 1919c: 167
Type. USNM
Distribution. N (Alameda, Los Angeles, Marin) Host/habitat. Hyperaspis undulata, H. sp.
similis Ashmead 1887: 190
Type. USNM
Distribution. N (Alameda, Riverside, San Mateo) Host/habitat. Hyperaspis bigeminata, Scymnus americanus, S. cervicalis, S. iowensis, S. lacustris, S. sp.
terminalis (Say 1828: 80) (Serlion)
Type. USNM
Distribution. W (Alameda, Kern, Los Angeles, Marin, Orange, Riverside, San Bernardino, San Diego, San Mateo, Santa Clara)
Host/habitat. Adalia bipunctata, Anatis labiculata, Cheilomenes sexmaculatus, Chilocorus similis, Coccinella californica, C . novemnotata, C . quinquenotata, C. quinquepunctata, Coccinella transversoguttata, Coleomegilla innotata, C . maculata, C. sp., Cycloneda sanguinea, C. sp., Disonycha sp., Hippodamia convergens, Myzia pullata, Psyllobora vigintimaculata, Scymnus sp.
Remarks. Host records of the aphids Hysteroneura setariae (Thomas) and Sipha flava (Forbes) appearing in Noyes (2001) are incorrect—in the original papers, these species are noted as prey of the coccinellids attacked by H. terminalis .