Bulletin of the Brooklyn Entomological Society i"'- '"' 



in naming this fine insect after Professor H. E. Crampton. wlio 

 collected the type on his recent trip wth Dr. Lutz in British 

 Guiana and Northern Brazil. 

 Rhipidi.\ iNiPECTixAT.\ WilHston. 



A female from the United States National Museum, deter- 

 mined by Coquillet as unipectinata, agrees well in most respects; 

 however, the stem and knob of the halteres is deep black, not 

 brown; wings wnth distinct costal blotches, etc. The coloration 

 of the i:iosterior tarsi is verj- similar to that of R. calverii, which has 

 long, bii^ectinatcd male antennae, not long unipectinate antennae 

 as described for unipectinata. The specimen is labelled "Patalue, 

 Guatemala. 700 ft. (Dr. G. Eiscn.) Received Jan. 6, 1903." 

 Rhipidia subpectinata pleuralis subsp. n. 



Resembles subpectinata Will., of the Lesser Antilles, but is 

 larger, the antennae dark brownish-black excepting the light yellow 

 12th and 13th segments; head brownish, gray pruinose, not 

 "ochraceous yellow." Thorax: mesonotum, prascutum as de- 

 scribed for subpectinata but with a broad median grayish stripe 

 overhang the brownish dorsum; scutvim and scutellvun broadly 

 whitish medially, brownish on the sides, a dark brown stripe on 

 either side of the pale median stripe. Pleiirae not "with a narrow 

 black stripe" but with a broad black band, clearly defined on the 

 dorsal margin, below suffusing the ventral pleviral sclerites; an 

 indistinct narrow stripe over the base of the coxte, almost confluent 

 with the broad dorsal band. Halteres light yellow, knob a little 

 darker. Legs : femora with an indistinct subapical brown band ; 

 wings as in subpectinata. Abdomen dark brown, tergites 8 and 9 

 light yellow; stemites yellowish. 



Male: Length 4.8 mm.; wing, 5.7 mm. Female: length 

 4.9 mm.; wing, 5.8 mm. 



Holotype, male, Trece Aguas, Cacao, Alta Vera Paz, Guate- 

 mala, March 28 (coll. Schwarz and Barber). Allotype, female, 

 Bocas de Toro, Panama, 1905 (coll. McKenney). Types in coll. 

 U. S. Nat. Mus. 



It is probable that comparison with subpectinata will give 

 this form specific rank. The description of subpectinata agrees 

 closely with annidicornis End., except in the finely spotted wings 

 of the latter. The pale antennae of these two forms is quite differ- 

 ent from that of pleuralis, which agrees in this respect with schwarzi 



