68 FAUNA OF NEW ENGLAND. 



C. virginianae (Felt), 06-130. Chokecherry Midge. 

 Me. — Harpswell. N. H. — Jaffrey. Vt. — Bennington. 



Mass. — Stow; Worcester {Thompson); Springfield (Stehhins). 



Conn. — . 



Swollen deformed fruit of the chokecherry (Felt, 18-150 and 

 18-101). 



Lobopteromyia Felt, 08-389. 



L. venae Felt, 14-21 (Cecidomyia? venae Stebbins, 10-39). Thorn 



Vein-gall. 

 Mass. — Springfield, June (Stehhijis). 



Pouch-like vein-galls on leaves of Crataegus (Felt, 18-91 and 

 18-136). 



Thecodiplosis Ivieffer. 



T. dulichii Felt, 12-241. Sedge-fruit IVIidge. 



Mass. — Magnolia, adult, June 3 and 4, 1912 {Cora H. Clarke). 



Reared from fruit of a sedge, Dulichium arundinaceum (Felt, 

 18-27). 



T. liriodendri (Osten Sacken). Tulip-tree Spot-gall. 



Mass. — Boston (J. G. Jack); Worcester {Thompson) ; Springfield 



{Stehhins). Conn. — . 



Ocellate spots on the leaves (Felt, 18-126 and 18-129). 



Dicrodiplosis Kieffer. 



D. antennata Felt, 12-243. 



Me. — Orono, July 10, 1912 {Johannsen). 



Reared from larvae preying on the false maple scale, Phenacoc- 

 cus acericola King (see Felt, 18-156). 



D. fulva Felt, 18-153. 



Mass. — Arnold Arboretum, Jamaica Plain, Boston {Cora H. 

 Clarke). Reared from leaf-galls on white oak. May 9. 



D. helena Felt, 12-245. 



Mass. — Magnolia {Cora H. Clarke). 



Reared from subglobular galls on under side of aspen leaves 

 {Popuhis tremidoides) . 



D. populi Felt, 08-394. 



Mass. — From galls similar to those of D. helena; thus there is 

 some uncertainty as to real gall-maker (Felt, 18-38). 



Youngomyia Felt. 



Y. umbellicola (Osten Sacken). Elder-flower Midge. 



Mass. — Rutland; Worcester {Thompson); Springfield {Stehhi7is). 



R. I. — Bristol. Conn. — . 



The galls are swollen unopened florets (Felt, 18-188 and 18- 

 149). 



