124 MAINE AGRICULTURAL EXPERIMENT STATION. I912. 



above with the following variations. Ri in most of the speci- 

 mens ends a little more distad and the costa is somewhat more 

 produced (Fig. 218) ; the thorax is subshining, though also 

 somewhat pruinose ; the abdomen varies from wholly reddish, 

 excepting the fuscous terminal joints, to a uniform fuscous, 

 most of the specimens having the sides of the abdominal seg- 

 ments more or less dusky red. Length 8 to 9 mm. (dried 

 specimens), wing 8 mm. Only the costa and radius of the wing 

 with setae. Ovipositor as figured (Fig. 143)- 



2. Sciara cingulata Riibsaamen. 



Berlin. Ent. Zeitschr. XXXIX. 31. 1894. 

 Female. Length 7.25 mm. ; wing 5.5 mm., antennje 3 mm, 

 Mesonotum black polished ; humeri and collar yellow ; pleura 

 yellowish brown, abdomen fuscous black, with orange colored 

 lateral spots ; segments with yellow posterior margins. Palpi, 

 antennae, knobs of halteres, and tarsi brown ; pedicel of halteres, 

 coxae, femora, and tibite yellow, trochanter black 'oelow. The 

 basal flagellar joints, twice, the more terminal joints thrice as 

 long as broad. Ri of the wing ends about opposite the base of 

 the fork of the media; costa produced 2-3 of distance from 

 Rs to Ml ; petiole of the cubitus shorter than the width of the 

 costal cell (less than 1-2 as long as the basal section of M 

 according to the author's figure). Legs slender, setae of the 

 tarsi strong; claws small. Terminal lobe of ovipositor oval, 

 1-2 as long as the preceding joint. "Georgia." 



3. Sciara vidua n. ,sp. 

 Male. Length 2.2 mm. Head shining black, face dull, palpi 

 and antennae fuscous, the last about as long as the body. Thorax 

 including scutellum and metanotum shining black, pleura dull. 

 Abdomen subshining black, sparsely black haired ; hypopygium 

 black, clasper (Fig. 100). Coxae yellow, legs yellow, tarsi more 

 brownish, trochanters black below; hind tarsus an eighth shorter 

 than the tibia. Wing (Fig. 219) hyaline, anterior venis darker, 

 longitudinal veins except subcosta and petiole of media sparsely 

 setose. Halteres dark, petiole paler toward base. Ithaca, N. Y., 

 June. 



