Il6 MAINE AGRICULTURAL KxPLRIMENT STATION. I912. 



Abdomen blackish, including lamellae of ovipositor. Legs dusky 

 yellowish, posterior tibiae darker, tarsi fuscous black. Wings 

 blackish, semihyaline, veins blackish; Ri ends about opposite 

 the base of cell Ml Halteres black with yellow pedicel. "N. 

 Y." Ithaca, N. Y. Also a single defective specimen which may' 

 belong here from Douglass Co., Kas. ( E. S. Tucker). 



. 5. Genus Zygoneura Meigen. 



System. Beschr. VI. 304. 1830. 

 In structural characters similar to Sciara but differs in hav- 

 ing both forks of the media strongly arcuate so that the cell 

 between is wider near the base than farther distad, widening 

 again on the wing margin, in this respect resembling Meiangela 

 from which it differs in having simple tarsal claws and in the 

 male with pedicellate antennal joints having whorls of hair. 



Zygoneura fiavicoxa n. sp. 

 ]\Iale. Length i mm. Head and thorax blackish brown, 

 shining, abdomen brown, hypopygium darker brown; clasper 

 (Fig. 99). Palpi yellow, antennae brown, the petiole of each 

 joint nearly as long as the distal part, total length of antenna 

 about 1-3 greater than the body, the hairs brown. Coxae and 

 legs pale yellow, tarsi darker, hind tarsus less than 3-4, the 

 metatarsus 3-8 as long as the tibia. Wing yellowish hyaline, 

 veins yellowish brown ; costa ends about 3-4 of the distance 

 from Rs to Mi (Fig. 254). Ithaca, N. Y. 



6. Genus Mctangcla Riibsaamen. 



Berlin. Ent. Zeitschr. XXXIX. 19. 1894. 

 In structural characters, including those of the wings and 

 antennae, similar to the genus Sciara but differs in having both 

 forks of the media strongly arcuate so that the cell between is 

 wider near the base than at a point near the tip widening again 

 on the wing margin. Tarsal claws toothed. 



Metangela toxoneura Osten Sacken. 



Proc. Ent. Soc. Phil. 165. 1862. (Sciara).- 

 This species was later referred by Osten Sacken to Zygoneura 

 in spite of its Sciara-like antennae. Riibsaamen suggests that it 

 belongs to Metangela though the original description of the 



