72 FAUNA OF NEW ENGLAND. 



Obolodiplosis Felt, 08^10. 



O. robiniae (Haldeman). Locust-leaf Midge. 



Me. — Salisbury Cove, Mt. Desert, July 14. 



Mass.— Auburndale, Sept. 3-20; Manchester, Aug. 25 (Clarke). 



I^- I- — Buttonwoods, June 20. Conn. — New Haven, June 30 



(Walden). 



Forming rolled leaf-margins on locust, Rohinia pseudo-acacia 

 (Felt, 18-155 and 21-152). 



Parallelodiplosis Riibsaamen. 



P. caryae (Felt), 07-141 and 21-168. 

 Mass. — -Worcester ( Thomfson) . 



Reared from globular long-haired hickory leaf-gall resembling 



Caryomyia persicoides, probably inquiline (Felt, 18-47). 



P. cattleyae (Molliard). Orchid Root-gall. 

 Mass.— South Natick, May 20, 1890 (A. P. Morse). 



Reared .from the roots of Cattleya gigas (Felt, 18-29 and 18- 



172). 



P. cinctipes Felt, 14-113. 



Mass. — Framingham, May, 1908 (C. A. Frost). 



Reared from dead twigs of poison ivy, Rhus vernix (Felt, 21- 



P. clarkeae Felt, 11-553. 



M^&s,.— Magnolia, Sept. 19, 1910 {Cora H. Clarke). 



A narrow apical bud-gall on Spiraea salicifolia (Felt, 18-133 

 and 21-175). 



P. spiraeae (Felt), 09-293. Spiraea Leaf-roll. 

 Mass.— Magnolia, June 26, 1909 {Cora H. Clarke). 



The gall is an irregular marginal roll of half-grown leaves of 

 Spiraea salicifolia (Felt, 18-134 and 21-166). 



Retinodiplosis Eeffer. 



R. inopis (Osten Sacken). 



Mass. — Obscure subcortical swelHngs on smaller branches of 

 scrub pine (Felt, 18-15 and 21-159). 



R. resinicola Osten Sacken. The Pitch Midge. 

 Mass.— Woods Hole. Conn. — Norwalk, June 9. 



Reared from extruded resin masses on Pinus rigida (Felt, 18-16 

 and 21-156). 



Mycodiplosis Riibsaamen. 



M. cerasifolia Felt, 07-21. Leaf-folding Cherry Gall. 

 Mass. — -Worcester {Thompson). 



Thickened folded leaves of the chokecherry (Felt, 08-401 and 

 18-185). 



