12 
Parasite. Host. 
Coccophagus lecanii ....----- Lecanium persice. 
Lecanium on plun. 
Pseudococcus aceris. 
Lecanium hesperidum. 
Coccophagus fraternus...-.-..- Lecanium persicie. 
Coccophagus cognatus .......Lecanium hesperidum. 
Lecanium sp. op plum. 
Lecanium persic:e. 
Coccophagus immaculatus -..Eriococcus azalex. 
Coccophagus flavifrons...... - Lecanium sp. on Pinus australis. 
Coccophagus flavoscutellum..Lecanium hesperidum. 
Leeanium spp. from California, 
Dactylopius destructor. 
Lecanium tulipifere. 
Pulvinaria on plum. 
Pulvinaria on Sullengia. 
Pulvinaria innumerabilis. 
Lecanium on plum. 
Lecanium sp. on Adenostoma. 
Lecanium sp. on Arctostaphylos. 
Coccophagus californicus ....Icerya purchasi. 
Coccophagus lunulatus ..---. Aspidiotus aurantil. 
Coccophagus scutatus.....--- Kermes sp. on Quercus agrifolia, 
Coccophagus ochraceus -.---. Lecanium sp. on Adenostoma fasciculatum. 
Prospalta murtfeldtii ...--..-- Aspidiotus uvae. 
Aspidiotus sp. on cherry. 
Aspidiotus sp. on currant. 
Prospalta aurantii ..-...----- Aspidiotus aurantii var. citrinus. 
Aspidiotus ancylus. 
Aspidiotus pini. 
Aspidiotus juglans-regiie. 
Mytilaspis citricola. 
Mytilaspis albus var. concolor. 
Mytilaspis eucalypti. 
Lecanium persicie. 
Chionaspis sp. on undetermined food plant. 
Ablerus clisiocamp® -....--.- Chionaspis furfurus. 
Aspidiotus sp. on pear and apple. 
Physcus| Varlcormis--c.------ - Aspidiotus ancylus. 
Chionaspis quereus, 
Chionaspis americana Johnson MS. 
LIST OF HOSTS AND PARASITES. 
Family APHIDID 2. 
Hosts. Parasites. 
ATS OL ASSI CEC oeiars a == stein als stern ainneie eins s e elonieteetee ee Aphelinus mali. 
ATI S OMOMaNd 2 saeco cnc oles oe sae onal eae eee Aphelinus mali. 
Siphonophoramoseies = - see san = ae eee eee aa Aphelinus mali. 
(CahyAnlarboey Geyer teswiGbl) - 468 46 656556 cose opocdo eees eooe Aphelinus mali. 
IPEroay OMNES) sabe Aes SoS Ree Goneos seeocoloeEs eens Aphelinus mali. 
Schizoneunaslani Ceraesereet coe eiasseiseane serene .--Aphelinus mali. 
JA IOUO UNE) hve Mle Sean oa5oss oceeaaoadcean seesia scales Prospalta aurantii. 
Physcus varicornis. 
