DIPTERA. 57 



Dasynexira Rondani. 



D. americana Felt, 20-136 and 15-168 {D. galli Felt, 08-348, not 



Loew). 

 Mass. — Magnolia, Aug. 14 {Cora H. Clarke). 



Flower bud-gall on bed-straw {Galium asprellum) . 



D. aromaticae Felt, 09-289 and 15-183. 

 Mass.— Barre, reared Aug. 23, 1908 {Cora H. Clarke). 

 The spearmint bud-gall (Felt, 18-184). 



D. clematidis Felt, 08-344 and 15-147. 



Mass.- — -Springfield {Stehhins). 



Forms an irregular subglobular bud-gall on Clematis virginiana. 



D. corticis Felt, 09-289 and 15-168. 



Mass. — Arnold Arboretum, Boston, May 15 — midge emerged 



May 21 {Cora H. Clarke). 



In willow twigs, larvae in subcortical cells, no swelling (Felt, 

 18-34). 



D. cyanococci Felt, 08-292 and 15-145. The Blueberry Bud-gall. 

 Mass. — ^Stowe. 



D, communis Felt, 11-478 and 15-181. Gouty Vein-gall. 

 Mass.- — -. Conn. — . 



Pouch-like vein-galls on the red maple (Felt, 18-161). 



D. gaylussacii Felt, 18-176 {Cecidomyia vaccinii Osten Sacken, 



not Smith). Blueberry Leaf-gall. 

 Me.— Mt. Desert. 

 Mass. — Springfield, Sept.; South Hadley {Stehhins). 



Cockscomb-shaped gall on under side of leaf on the mid-rib. 



D. gleditschiae (Osten Sacken). Honey Locust Midge. 



Vt. — Bennington, June 23. 



Mass.^ — -Brookline, June; Worcester, Aug. {Thompson). R. I. — • 



Newport, Aug. {Osten Sacken). Conn. — New Haven, June 20 



{Walden). 



On the honey locust {Gleditschia triacanthus) . The young 

 leaves are transformed into pod-like swellings (Felt, 15-163 and 

 18-152). 



D. lysimachiae (Beutenmueller), 07-305. 



Mass.^ — -Magnolia, Aug. 18 {Cora H. Clarke); Worcester, June 



{Thompson). 



An apical bud-gall on loosestrife {Lysiniachia quadrifolia) 

 (Felt, 15-182 and 18-178). 



D. maritima Felt, 09-288 and 15-149. 



Mass.— Magnolia, Apr. 21, 1909 {Cora H. Clarke). 



Rolls the leaflets of the beach pea, Lathyrus maritimus (Felt, 

 18-155). 



