296 Maine; agricuIvTural experiment station. 1911. 



aa. Females. Antenna short, third joint but little longer than broad; 

 cubitus forks far proximad of the crossvein ; anal vein extends 

 far distad of the forks of the cubitus. 3. vittata. 



Synteiiina viutor Adams is identical with Docosia dichroa Lw. 



I. Synteiiina rejccta n. sp. 

 A'lale. Length 4 mm. Head black, face, palpi and basal 

 joints of the antennae, yellow ; antennae about twice as long as 

 the thorax. Thorax yellow, two oval spots on the mesonotum 

 over the base of the wing, dark brown, setse, yellow. Abdomen 

 yellow, the whole of the first segment except a spot on each 

 side, and a fascia covering the basal 1-3 to 1-2 of each of the 

 following segments, brown; hypopygium (Fig. 105); setae and 

 the finer hairs pale. Legs yellow, tarsi darker, setae of hind 

 tibiae scarcely longer than the diameter of the tibia, fore 

 metatarsus nearly 3-4 as long as the tibia. Wings hyaline, veins 

 brown, venation as figured (Fig. 213). Halteres yellow. Blue 

 Hills, Mass. July ( C.W.J. ). 



2. Synteinna longicornis Coquillett. 



Proc. U. S. Nat. Museum. XXHI. 597. 1901. (Docosia). 



Male. Length 5 mm. Yellow, the front, vertex, antennae 

 except the 2 basal joints, 3 vittae on mesonotum, dorsum of first 

 abdominal segment except a spot on each side, a fascia at base 

 of remaining segments and the genitalia, black ; tarsi becoming 

 brown toward their apices ; antennae more than twice as long 

 as the head and thorax, the third joint over twice as long as 

 wide ; body polished, its hairs and those of the coxae and femora 

 yellow ; wings hyaline, the subcosta ends slightly beyond middle 

 of the basal cell, the R-M crossvein less than twice as long as 

 first section of radial sector, cubitus forking before the cross- 

 vein. "N. H." (Coq.); Brookline, Mass., August (C.W.J.)- 

 In the Massachusetts specimen the median vitta is obsolete. 



3. Synteinna vittata Coquillett. 



Proc. U. S. Nat. Museum. XXHI. 597. 1901. (Docosia). 



Male. Length 4 mm. Head black, mouth parts, and broad 

 base of antennae yellow, third joint of antennae only slightly 

 longer than broad ; body polished, brown, a median vitta on the 

 mesonotum, expanded at the front end and crossing the pleura, 

 also middle of breast yellow, middle of metanotum reddish yel- 



