October, '11] FELT: GALL MIDGE HOSTS 475 



ViTis (grape) 



Enlarged blossom buds Conlarinia johnsoni Sling. 



Clustered, fusiform, woolly, pubescent bud galls, each 1 to 1.5 cm. long. 



Schizomyia coryloides Walsh & Riley. 

 Hard, nut-like, polythalamous bud gall, diameter, 1.5 cm. 



Schizoinyia poniuni Walsh & Riley. 



Possibly reared from same gall Rhabdophnga hirticornis Felt. 



Oval, petiole or tendril gall, length, 2.5 cm Schizomyia peliolicola Felt. 



Reared from similar gall Neolasioplera vitinea Felt. 



Reared from similar gall Aster omyia peliolicola Felt. 



Reared from similar gall Lasioptera riparia Felt. 



Irregular, tumid, greenisli or reddish leaf or tendril gall, diameter, 0.5 to 1.5 cm. 



Lasioptera vitis O. S. 



Reared from similar gall Dasyneura vitis Felt. 



Reared from similar gall Rhizomyia vitis Felt. 



Reared from similar gall Brachyiieura vitis Felt. 



Reared from similar gall Janetiella brevicauda Felt. 



Elongate, conical, reddish or greenish gall, length, 6 to 9 mm. . Cecidomyia viticola O. S. 

 Reared from Phylloxera gall Lestodiplosis grassator Fyles. 



Yucca (Spanish bayonet) 



Reared from pods Dasyneura yuccoe Felt. 



Reared from stem, probably inquiline Lestodiplosis yuccoe Felt. 



ZiziA (Golden Alexanders) 

 Fusiform stem gall, length, 3 cm Lasioptera zizioe Felt 



ZOOPHAGOUS 



Reared from Eriophyes gall on ash Endaphis americana Felt. 



Reared from bee hive infested with mites Arthrocnodax apiphila Felt. 



Reared from Aphis gossypii Aphidoletes marina Felt. 



Reared from the above Aphidoletes cucumeris Lintn. 



Reared from tulip leaves presumably infested by aphids. . . .Aphidoletes borealis Felt. 



Reared from Siphonophora liriodendri Aphidoletes meridionalis Felt. 



Reared probably from aphids on Tanicetum Aphidoletes basilis Felt. 



Reared from Phylloxera galls Lestodiplosis grassator Fyles. 



Reared from Hemichionaspis minor Lestodiplosis peruviana Felt. 



Reared from Aspidiotus iwoe Dentifibula cocci Felt. 



Reared from Saissetia nigra. . .'. Diadiplosis cocci Felt. 



Reared from Lecanium on beech leaves Coccidomyia pennsylvinica P'elt. 



Reared from Orthezia and Dactylopius Cecidomyia coccidarum Ckll. 



Lobodiplosis coccidarum Felt. 



Mycodiplosis coccidivora n. sp. 



Dicrodiplosis coccidarum n. sp. 



Reared from Tetranychus on lemon Mycodiplosis acarivora Felt. 



Reared from Eriophyes on cotton Arthrocnodax abdominalis Felt. 



Cecid larvae preying on eggs of Cicada septendecim Cecidomyia sp. 



