DIPTERA, 63 



Camptoneuromyia Felt, 08-334. 



C. rubifolia Felt, 08-334. 



Mass. — Magnolia, July 30 {Cora H. Clarke). Conn. — . 



A corrugated marginal leaf -roll on blackberry (Felt, 18-243). 



Phytophaga Rondani. 



P. destructor (Say) (Mayetiola destructor of authors). The Hes- 

 sian Fly. 



This has been recorded from most of the New England States, 

 when wheat was more generally grown. Packard says that it 

 was first noticed at New Haven, Conn., in 1833, and was de- 

 structive in Aroostook Co., Me., in 1854. 



P. fraxini Felt, 15-206. Ash-petiole Midge. 



Mass.—. 



Reared from base of leaf-petioles of white ash (Felt, 18-179). 



P. rididae (Osten Sacken).' Beaked Willow-gall. 



Me.— Mt. Desert, June. 



Mass. — Woburn, April 24 ; Wellesley, Mar. 13 (Morse) ; Worcester 



(Thompson); Springfield (Stebbins). Conn. — New Haven, 



Feb. 14 (Walden). 



An apical fusiform beaked gall (Felt, 15-213 and 18-36). 



P. ulmi (Beutenmueller), 07-387. 



Mass. — Worcester, June, July (Thom'pson) . 



The gall is formed by the growing together of inactive leaves 

 (Felt, 15-202 and 18-120). 



P. violicola (Coquillett). Violet-leaf Midge. 

 Mass. — . Conn. — . 



Rolls and discolors the leaves of Viola odorata (Felt, 15-204 

 and 18-172). 



Janetiella Eaeffer. 



J. asplenifolia (Felt), 07-157. Sweet-fern Midge. 

 Mass. — Worcester (Thompson) ] Magnoha, July (Cora H. Clarke). 

 A leaf-folding gall, near the mid-vein on Myrica aspenifolia 

 (Felt, 15-221 and 18-40). 



Rhopalomyia Riibsaamen. 



R. anthophila (Osten Sacken). Downy Flower-gall (Felt, 18- 



191). 

 Mass. — Springfield, Sept. (Stebbins); Worcester (Thompson). 



Conn. — . 



Green pubescent, cylindrical galls in flower of Solidago cana- 

 densis. 



R. astericaulis Felt, 07-159 and 15-251. 

 Mass. — Worcester; Woods Hole, July 13. Conn. — . 

 Oval twig-gall on Aster novae-angliae (Felt, 18-201). 



