36 
16. 
17. 
18. 
19. 
20. 
21. 
22. 
23. 
24. 
25. 
Psyche [February 
Antenne with flagellum light yellow; thorax uniformly yellow; [abdomen 
with segments 3-7 with brown spots; wings brownish, lighter-colored in the 
IMtertor.oO mie cells|(Vlexicos) peers ae eer elec flavida Will. 
Antennz brown or black; thorax yellow with black lateral spots or stripes. . . .17 
Antenne black; a large black spot on mesonotum above each wing; abdomen 
black excepting segments 1-4 and 9. (Mexico.)....... _..brunneipes Will.12 
Antenne brown; a short black stripe on each side of the mesonotum; abdominal 
segments 1-4 with a narrow posterior black band; remaining segments 
black excepting their yellowish bases. (Mexico.) 
SA ae ieee ocr ck tee een a willistont Alex. (=fasciata Will.) preocc.13 
Cell 1st M2 far out toward the wing-margin, so that Cu: beyond this cell is 
shorter than Cwi+M;; that portion of Ri between cross-vein r and Sc2, very 
thin, indistinct; [antennze of the & very long, filiform, twice as long as the 
body aa(Hastern Brazil?)yon ese eRneg gare ee macrocera, sp. N. 
Cell Ist M2 nearer to the wing root, so that Cw: beyond this cell is as long 
or longer than Cui+Ms; ; Ri between r and Sc2 equal to the remainder of 
R: in thickness; [antennze of the known o’’s short]............... 19, 23 
Males with the frontal tubercle produced into slender horn-like points which 
are directed laterad; [abdomen with a subterminal black band]. (Bolivia.) 
bs SS Di ee Se Se EO ea EOL Cs Me fie ated cS eeuh R ty cornigera, sp. Nn. 
Males (as known) with the frontal tubercle normal....................-.- 20 
No conspicuous black subapical band on the abdomen; stigmal spot conspic- 
uous; [length about 19 mm; wing 17 mm.]. (British Guiana—Eastern Brazil.) 
SS ic oe IOS Eero ce BOE seen ure nian eeion ros cic kaveturensis, sp. n. 
A conspicuous sub-apical dark brown or black band on the abdomen......... 21 
Larger species; (length, 20 mm.; wing, 18 mm.; [Sc2 longer than Sei]. (Ecuador.) 
SEC CRC Ee apieio eons Ob Ota wo Gab ohausiana End.14 
Smallerispeciesillenztha) oommaorless|se eens ener ecC ener aoe cenere Q2 
Antenne brown; body coloration dull brownish-yellow. (Peru.) 
REP chs. cc As eR i peice tra do Fe ee RR eed bits led Gis Blake peruviana, sp. D. 
Antenne yellow; body coloration yellow and black. (Mexico—Costa Rica.) 
Rin Ge tara tei A ee NaS Src ahd uO. Semi e St Gh at thn zonata O. §.15 
Females (as known) without a subapical black band on the abdemen; [length 
25-28 mm.; wing, 20-21 mm.]. (British Guiana—Eastern Brazil.) 
SEE Te enna aha Sic aden cata ote wa Se kaieturensis, sp. n. 
Females (as known) with a subapical black or blackish band on the abdomen. . 24 
Mesonotum uniformly reddish-yellow; [antennze brown; wings tinged with 
loon eaantclal|y (C8 koro) 6 Se 5 Ais ancaadone acco dobou eben obsoleta Will.1s 
Mesonotum longitudinally, striped. 2.2 5.) - es oe ee ee eee ee 25 
Scape of the antenne yellow; legs yellow, segments tipped with black; Sez 
longer and more conspicuous than Se:. (Mexico—Costa Rica.) zonata O. 3.15 
U Williston, S.; Biologia Centr. Americana; (suppl.; Dipt.; vol. I); p. 227; 1900. 
12 Williston, S.; l. c., p. 227; pl. 4, fig. 5: 1900. 
13 Williston, S.; 1. c., p. 226; pl. 4, fig. 10; 1900. 
4 Enderlein, G.; Zo6dl. Jahrbuch.; vol. 32, pt. 1; p. 45, 46; fig. A1; 1912. 
15 Osten Sacken, C. R. R.; Biologia Cent. Amer.; Dipt., vol. I, p. 10; 1886. 
16 Williston, S.; Biologia Cent. Amer.; Dipt.; vol. I (suppl.); p. 227; 1900. 
