NO. inCG. sryOPSIS OF XEOTROriCAL LIMXOIiiy.E—ALEXAyDER. 505 



brown median lino; post-notum light yellow with a transverse semi- 

 lunar mark on the cephalic margin of the sclerite. Pleurae light 

 yellow; a broad chestnut band extendmg along the dorsal edge of 

 the epijileurse, becoming indistinct beyond the wing-basis. Two 

 dark bro\\^l bands, one just under the chestnut epipleural band, the 

 other near the venter traversing the coxae, these inclosing between 

 them a rather broad light yellow stripe; sternum light yellow. 

 Halteres light bro'iVTiish-yellow. Legs light yellow; femora and 

 tibia? indistinctly darker at then- tips. 



Wmgs hyaline; stigma distinct, oval, dark brown. 



Abdomen: caudal margin of tergites brownish-black, remainder of 

 the tergites dull yellow; sternites light brown, darker on the pleural 

 region, esiiecially the firet two abdominal segments where they are 

 blackish-bro\\7i, formed by the conjunction of the brown tlioracic 

 l)leural stripes. 



Distribution. — Aguadilla, Porto liico; Jan., 1899, female (Aug. 

 Busck, coll.), (see Coquillett). Baracoa, Cuba; Sept., 1901 male 

 (Aug. Busck, coll.). St. Vincent, West Indies (H. II. Smith, coll.), 

 Williston, male and female. 



GONOMYIA (LEIPONEURA) PtJELLA WUllslon. 



Atarba puella Williston. Trans. Ent. Soc. Lend., 189G, pp. 288, 289, pi. 10, fig. 60, 

 male and female. — Kertesz, Catalogus Dipterorum, vol. 2, 1902, p. 189. — 

 Aldrich, Cat. N. Amer. Dipt., 1905, p. 82.— Enderlein, Zool. Jahrbuch, 

 1905. 



Alabarba puella Hunter, Trans. Amer. Ent. Soc, vol. 26, 1900, p. 290. 



Female. — Length, 3.4-4 mm; wing, 3.8 mm. Head: rostrum light 

 yejlow; antennag, first two segments brownish-yellow, flagellum brown; 

 front and center of the vertex light yellow; sides of vertex and occi- 

 put gra3Tsh. 



Thorax: mesonotum, prsescutum light brown with a faint dark 

 broAvn bloom; pseudosuture deep, short, triangular, reddish; lateral 

 margin of the praescutum jDale yellowish- whi te ; scutum, scutellum 

 ;;nd post-notum light bro-\\ai; caudal margin of the scutellum brown- 

 ish-3-ellow. Pleurae light bro\\ai with a distinct pinkish-white tinge 

 overspreading the sclerites; sternum dull brownish-yellow. Halteres 

 light colored, laiob slightly darker. Legs j-ello-ndsh-brown through- 

 out. Wings hyaline. 



Abdomen: uniformly brown, the sternum and genital segment 

 lighter, yellowish. 



Redcscribed from two females from Sim Rafael, Vara Cruz, Mexico 

 (To^vnsend, coll.), and two of Williston's female paratypes, from 

 St. Vincent, 1,000 feet. 



Distribution. — Vera Cruz, ^Mexico: St. ^'iuceut, Lesser AntUles. 



