266 PROCEEDINGS OF THE NATIONAL MUSEUM vol. io9 



31. Slender species, discal area of wing mostly pale; pale area definitely 

 straddling base of vein M2; abdomen whitish on basal half above; 

 antenna with sensoria present on segments iii, xi-xiv. 



carpenter! Wirth and Blanton (p. 358) 

 Stockier species, discal area of wing with dark markings at least as ex- 

 tensive as the pale ones, pale mark in base of cell Mi rarely straddling 

 vein M2; abdomen blackish; antenna with sensoria present on seg- 

 ments III, vii-x limai Barretto (part) (p. 352) 



32 (26). Vein M, with pale spot present straddling basal or middle portion . 33 

 Vein Ml without pale spot straddling basal or middle portion ... 37 



33. Crossvein r-m with dark spot in center of pale area; mesonotum uni- 



formly pruinose brown .... scopus Root and Hoffman (p. 347) 

 Crossvein r-m pale; mesonotum with a prominent pattern .... 34 



34. Anal cell with two pale spots in distal portion 35 



Anal cell with one pale spot in distal portion; mesonotum brown with 



three darker longitudinal bands; apices of veins Mi, M2 and M3+4 

 dark panamensis Barbosa (part) (p. 334) 



35. Pale spot straddling vein Mi located near base of the vein; apices of 



veins Mi, M2 and M3+4 with pale spots; wing very hairy; mesonotum 

 brown with three broad, darker, longitudinal bands narrowly 

 bordered with whitish pruinosity; cell Rj with distal pale spot 

 divided or hourglass-shaped and broadly meeting wing margin. 



jamaicensis Edwards (p. 339) 



Pale spot straddling vein Mi located a,t midlength of vein; apices of 



veins Mi, M2 and M3+4 dark; mesonotum yellowish with brown 



markings; cell Rs with distal pale spot round and not reaching wing 



margin 36 



36. Mesonotum on anterior half brown with yellow patches, posteriorly 



yellow; cell Rj with poststigmatic pale spot angulate, distal one 

 small and round; wing nearly bare; legs with broad pale bands. 



camposi Ortiz and Leon (p. 356) 



Mesonotum yellowish brow^n with brownish sublateral bands; cell Rs 



with both pale spots quadrate, large; wing hairy to base, legs with 



narrow pale rings dunni, new species (part) (p. 328) 



37 (32). Anal cell with a single pale spot in distal portion 38 



Anal cell with two pale spots, which may be partly coalesced, in distal 

 portion 44 



38. Cell R5 with one or two small elongate pale spots present lying adjacent 



to vein Mi on its basal or midportion 39 



Cell R5 without pale spot lying adjacent to vein Mi 40 



39. Cell R5 with two pale spots lying adjacent to vein Mi, one proximad 



and one distad of level of the posterior poststigmatic pale spot; 

 apices of viens Mi, M2, M3+4and Cuiwith pale spots at wing margin, 

 veins M3+4 and Cui pale bordered in base of cell M4. 



iriartei Fox (p. 344) 

 Cell R5 with one pale spot lying adjacent to vein Mi, at level of anterior 

 poststigmatic pale spot; apices of veins Mi to Cui dark; veins M3+4 

 and Cui not pale bordered in base of cell M4. 



panamensis Barbosa (part) (p. 334) 



40 (38). Cell R5 without pale spot lying between poststigmatic and distal pale 



spots; mesonotum with prominent pattern of brown lines or patches; 



fourth tarsomere cylindrical 41 



