ART. 15». REVISION OF SUBFAMILY PLAT YGASTERINAE — FOUTS. 137 



HOST CATALOGUE. 

 The following is a list of the various insect hosts referred to in 

 this paper: 



COLEOPTEBA. 



Balanimus nasicus Say. 

 Trichacis rufipes Ashmead. Doubtful record. 



Fidia viticida Walsh. 

 Fidiobia Jlavipes Asmesid. 



DiPTEEA. 



Aspidiotus, species on Bigelovia. 

 Platygaster striaticeps Ashmead. 



Asynapta, species on tvilloiv. 

 Platygaster asynaptae Ashmead. 



Cecidomyia antennaria Wheeler. 

 Platygaster antennariae Ashmead. 



Cecidomyia baccharicola Ashmead MS. 

 Platygaster baccharicola Ashmead. 



Cecidomyia C anavassa Riley. 

 Platygaster virginiensis Ashmead. 



Cecidomyia farinosa Osten Sacken on Blackberry, 

 Platygaster rubi Ashmead. 



Cecidomyia pini-inopsis Osten Sacken. 

 Platygaster diplosidis Ashmead. 



Cecidomyia serrulata Osten Sacken. 

 Platygaster alnicola Ashmead. 



Cecidomyia syvimetrica Osten Sacken on Oak. 

 Platygaster tumida Ashmead. 



Dactylopiiis confusus. 

 Platygaster texana Fonts. 



Dasyneura Icguminicola Liutner. 

 Platygaster Irguminicolae Fonts. 



Diplosis tritin Felt. 

 Platygaster error Fitch. 



Cecidomyid gall on Actnomeris squarrosa Nuttall. 

 Platygaster actinomeridis Ashmead. 



Cecidomyid gall on Alder. 

 Platygaster columbiwia Fouta. 



Cecidomyid gall on Arlimesia californica. 

 Platygaster arlimesiae Ashmead. 



Cecidomyid gall on Aster. 

 Platygaster astericola Ashmead. 

 Platygaster relativa Fouts. 



Cecidpmyid gall on Atriplex cancscens. 

 Platygaster atriplicis Ashmead. 



Cecidomyid gall on Baccharis pilularis. 

 Platygaster californica Ashmead. 



Cecidomyid gall on Blackberry. 

 Trichacis rubicola Ashmead. 



Cecidomyid g&ll on Cornus paniculata L'Herblay. 

 Trichacis cornicola Ashmead. 



Cecidomyid gall on Eurotia canata. 

 Platygaster eurotiae Ashmead. 



Cecidoviyid gall on Grapevine. 

 Platygaster viticola Ashmead. 



