108 PROCEEDINGS OF THE NATIONAL IVIUSEUM vol. 104 



Process of apex of genitalia not hidden by claspers when in repose. 

 Claspers as in figiue 79, g, with upper hind margin roundly produced, 

 not forming a spine; laterally compressed and curved. 



Female: More robust than male. With smaller eyes and ocelli. 

 Interocular space nearly twice diameter of an eye from above. Pre 

 ocular region twice as long as postocular. Ocelli less prominent, 

 closer to eyes than to each other, interocellar distance over three times 

 diameter of an ocellus. Antenna and beak stouter than in male. 

 Antennal formula 10:20:20:8. Pronotum broader than male; anterior 

 margin deeply sinuate. Anterior lobe nearly thi-ee times as long as 

 posterior; from humeral angles very slightly shorter than broad. 

 Coloration, pilosity, and markings as in the male. 



This species is close to Sirtkenea vittaia Distant and S. peruviana 

 Drake and Harris. It can be separated from both by the much 

 smaller size, antennal formula, proportion of preocular margin to total 

 head length, coloration of legs, and shape and size of the claspers. 



Holotype: Male, USNM 61732, collected in the small settlement 

 of Samariapo, 45 km. south of Puerto Ayacucbo, capital of Territorio 

 Amazonas, Venezuela, June 12, 1950; allotype, female, same collect- 

 ing data, in collection of Carl J. Drake; paratype, male, in author's 

 collection. 



Salyavata ivygodzinskyi, new species 



Figure 80,a-e 



Male: Over-all length 15.6 mm. Head fuscous with a rectangular 

 black area including ocelli on vertex. Eyes black with ciystal shiny 

 facets. Ocelli shiny. Antennal first segment black with yellowish 

 base and apex; second with narrow yellowish basal ring, dark to half 

 of segment, yellowish to apex and a narrow black apical ring; thh'd 

 and fourth blackish brown. Blackish brown markings of pronotum 

 as in figure 80,a; central spine of posterior lobe of pronotum fuscous 

 with blackish apex. Scutellum black; apical erect spine brownish 

 with black tip; postscutellum including apical spine black. Rostrum 

 brown. Anterior coxa blackish; trochanter yellowish; femur with 

 reddish yellow anteapical and apical bands. Two yellowish broad 

 bands on all tibiae. Midfemur and liind femur with two preapical, 

 and one very narrow apical? j^ellowish bands. Front and hind tarsi 

 brownish. Abdominal segments mth broad irregular bro^vnish areas 

 near median line and spiracles. Connexivium with bases of spines 

 blacldsh; portions between spines yellowish brown. 



Head from side and above as in figure 80,b,c; long pilose. Distance 

 between eyes much less than length of eye ; ventrall}^ sHghtly more than 

 diameter of the rostrum as in figure 80,d. Antenniferous tubercle 

 small, slightly longer than wide at base, without lateral spines. 



