254 CHARLES W. JOHNSON. 



so as to form a band occupying one-half to two-tbirds the anterior portion and 

 usually narrowly reaching the posterior margin ; band on the fifth segment occu- 

 pying the anterior half. In other respects the color markings arc the same as 

 those of the male. 



St. Augustine, Fla., March 15 ; Cai)e May, N. J., June 14 ; Brook- 

 ings, 8. D. (Aldrich); Connecticut (AVilliston); Douglas County, 

 Kansas, June; Butialo, N. Y. (Univ. Kans.) ; Algonquin, 111. (,Dr. 

 JSTason) ; West Point, Neb., June (Univ. Neb.). 



I have recently received from Mr. Y. H. Lowe, of the New York 

 Agricultural Experiment Station, a 9 specimen measuring only 8 

 mm. ; it was taken at the Agricultural College, Michigan, June 17. 



Odoiitoinyia dorsalis Fabricius (PI. iv, fig. 9). 



Sinifiuiiii/s dor.^iilis Fabr., Syst. Antl. 82, 20; Wiedemann, Auss. Z\v. ii, 66. 

 Odoniomyia dorsalis (Fabr.) Osten Sacken. Catl. 47 (non (>. dorsaih White, 

 Zool. Voy. Erebus and Terror). 

 Length 9 9 mm. ; wing 8 mm. — Face, front, vertex and occiput, an obscure 

 greenish yellow; translucent; minute yellowish pubescence, a spot on each side 

 of the antennae extending to the orbits ; a transverse line obscurely interrupted 

 on the front and a spot on each side of the ocelli brownish ; ocellar triangle black, 

 ocelli yellow. Antennae and legs reddish brown, proboscis black. Thorax black, 

 with short golden i>ubescence ; a wide lateral line, pleui-se, scutellum and spines, 

 yellow ; pectus black, halteres green. Abdomen dingy yellow, with an irregular, 

 blackish, dorsal line, consisting of a series of markings that are dilated at the 

 anterior, and contracted at the posterior margins of the second, third and fourth 

 segments; on the fifth it is only a .small spot at the anterior margin ; venter yel- 

 lowish. Legs red, the last two joints of the tarsi bi'own. Wings hyaline, veins 

 light yellow; discal cell emits three strong veins; thii'd longitudinal vein 

 branched. 



One specimen, San Domingo (Frazer), University of Kansas coll. 



This specimen agrees so well with Fabricius' brief description, 

 that I feel very confident of its identification. Wiedemann gives its 

 hal)itat as "South America," but Fabricius has "in Americse 

 Insulis." 



Ofloiitoniyia iniequalis Loew. 



(klontomyia inxqnulis Loew, Centur. vi, 24. 

 Length % 5i. 9 ^s lin. ; wing % 4i, 9 3a lin. % .—Head black, middle of 

 the lower part of the face, and from there to the edge of the anterior angle, light 

 yellow. Antennae black; first and second joints blackish, underside brown, pro- 

 boscis black, palpi light yellow. Thorax black, jiile yellow ; pleurae, with two 

 yellow spots, one irregular above the anterior coxae ; the other round in front of 

 the wing; scutellum black, broad a])ical margin and very short spines greenLsh 

 yellow, black at the extreme tip. Abdomen black ; posterior margin of the sec- 

 ond, third and fourth segments broadly interrupted, greenish yellow; on the 

 second segment the markings are dilated and subtriangular, on the fourth some- 

 what obsolete; venter wholly greenish yellow. Legs yellow, tar.si from the apex 



