286 MAINE AGRICULTURAL EXPERIMENT STATION. I9II. 



palpi pale ; ocelli narrowly margined with black ; thorax with a 

 rufous tinge, its dorsum shining, covered with yellowish hairs 

 interspersed with a few black ones and crossed by 4 longitudinal 

 pale rufous bands, the 2 median of which are approximated 

 and extend from the anterior almost to the posterior edge, 

 while the 2 latter are broader and abbreviated before and be- 

 hind. Scutellum broad and short, pale yellow, with 4 long pale 

 bristles inserted on the posterior margin. Metanotum fuscous ; 

 pleura reddish yellow, slightly tinged with fuscous at the inser- 

 tions of the posterior coxse. Abdomen pale reddish yellow; the 

 posterior third or half of each segment deep fuscous, or black; 

 hypopygium yellow with blackish appendages (Fig. 166). Legs 

 pale yellow throughout, tarsi but very slightly infuscated toward 

 their tips. Spurs yellow. Halteres pale yellow. Wings gray- 

 ish hyaline, immaculate, yellowish towards their bases and 

 along their costal margins; veins yellowish (Fig. 200). Law- 

 rence, Kas. (J.M.A.). Also a single specimen from Wisconsin 

 Avith the MS name plcheja (W.M.W.). 



14. Leia hyalina Coquillett. 



Journal N. Y. Ent. Society XIIL 68. 1905. iLejomyo). 



Length 4 mm. Yellow, the antennae except at base, a spot on 

 the front, 3 spots on the pleura, middle of metanotum, hind 

 margins of abdominal segments, also apices of tarsi, black. 

 Body polished, the short hairs yellow, the longer hairs and 

 bristles of mesonotum and scutellum chiefly brown. First joint 

 of front tarsi as long as the tibia. Wings hyaline, upper branch 

 of cubitus usually interrupted at the base. "Las Vegas Hot 

 :Springs, N. M." 



N^ 15. Leia ohlectahilis Loew. 



Berlin. Ent. Zeitschr. XIIL 146. 1869. (Glaphyroptcra). 



Female. Length 2.9 mm ; wing 3 mm. Head yellow, palpi 

 and antennae paler, the latter darker toward the tip ; ocelli black. 

 Thorax wholly yellow, pile yellow, the set?e darker. Abdomen 

 yellow, tergites with black posterior fasciae which are produced 

 triangularly along the middle line, usually reaching the anterior 

 margin in all but the first segment, sixth segment nearly wholly 

 blackish; seventh short, tipped with yellow; venter yellow, 

 sixth segment black or blackish. Legs pale yellow, tips of hind 



