FUNGUS GNATS OF NORTH AMERICA. I25 



4. Sciara dives n. sp. 

 Male and female. Length 2 mm. Head, thorax and abdomen 

 subopaqne fuscous black; palpi and antennae fuscous (apical 

 joints lacking-). Abdom-en sparsely black haired; hypopygium 

 dark, clasper (Fig. loi). Coxje and legs yellowish brown, tarsi 

 darker, hind tibia and tarsus subequal in length. Wing hyahne 

 (Fig. 220), anterior veins brownish, longitudinal veins except 

 subcosta and petiole of media sparsely setose. Halteres dark, 

 petiole slightly paler towards base. Stanford Univ., Cal. 

 iJM.A.) Jan.' 



5. Sciara futilis n. sp. 



Male and female. Length 2.5-3.5 mm. Head subshining 

 blackish, face and palpi reddish, 2 basal joints of antennje. yel- 

 lowish ; flagellum dusky. Thorax subshining brownish black, 

 humeri, scutellum, and pleura reddish brown. Abdomen dark 

 brown venter a little paler; hypopygium yellow, clasper (Fig. 

 102). Coxae and legs yellow, tarsi darker, trochanters black 

 below ; hind tarsus nearly 1-4 shorter than the tibia. Wings 

 hyaline (Fig. 221), anterior veins darker, longitudinal veins 

 except subcosta and petiole of media sparsely setose. Halteres 

 dusky yellow. Wis. (WM.W.). 



6. Sciara abdita n. sp. 



Male. Length 2.5 mm. Head, thorax and abdomen blackish, 

 mesonotum subshining, humeri paler; palpi, antennae and hal- 

 teres fuscous; coxae and legs yellowish; tarsi darker; hypopyg- 

 ium black, claspers subglobose with several apical spines which 

 are not sharply differentiated from the apical setae (Fig. 258) ; 

 antennae about 0.6 as long as the body. Wings hyaline, anterior 

 veins brownish, all longitudinal veins except the subcosta, setose 

 (Fig. 266). Kearney, Ont. (AL C. VanDuzee). 



7. Sciara odirolabis Loew. 



Berliner. Ent. Zeitschr. XHL 160, 1869. 

 Male. Length 2.5-3 "'"i"'- Head black, face more reddish, 

 palpi fuscous, scape of antennae yellow, flagellum fuscous, nearly 

 as long as the body. Mesonotum with 3 shining brownish black 

 subconfluent stripes which in immature specimens may be red- 

 dish, scutellum the color of the mesonotum ; metanotum and 

 pleura ranging from reddish yellow to reddish brown. Abdo- 



