232 



IT. S. NATIONAL MUSEUM BULLETIN 216 



Black. Front of scape and pedicel, front and middle coxae, and all 

 trochanters ivory or stramineous; mandible light brown; palpi, tegula, 

 and hind corner of pronotum white ; subtegular ridge and mesepimeron 

 brown; front and middle legs beyond trochanters pale fulvous, the apex 

 of front tarsus and most of middle tarsus brown; hind coxa fulvous, 

 ivory apically; hind femur fulvous, its apex whitish; hind tibia whitish, 

 its extreme base and a narrow subbasal band brown, its apical 0.3 

 fuscous; hind tarsus fuscous, brown basally. 



Type: 9, near Estes Park, Colo., June 12, 1948, H., M., G., D., and 

 J. Townes (Washington, USNM 63698). 



Paratypes: 9, Ashford, Wash., Aug. 18, 1940, H. and M. Townes 

 (Townes). 9, White Kiver, Mount Rainier, Wash., July 23, 1924, 

 A. L. Melander (Cambridge). 9, Whitehorse, Yukon, Aug. 5, 1948, 

 Mason and Hughes (Ottawa). 



Figures 96, 97. — Localities: 96 Oeft), Acrodactyla jubata; 97 (right), A. ocellata. 



2. Acrodactyla ocellata, new species 



Figure 323,f 



Front wing of male 3.7 to 4.2 mm. long, of female 3.7 to 5.3 mm. 

 long; lateral ocellus separated from eye by about 0.95 its long diame- 

 ter; median part of mesoscutum with considerable rather sparse hair, 

 but the central part of median lobe bare or almost bare; hind femur 

 of male about 4.8 as long as deep, of female about 6.0 as long as deep; 

 third segment of hind tarsus about 3.5 as long as deep in male, about 

 4.0 as long as deep in female; discoidella present; second and third 

 tergites polished; fourth tergite with rather sparse hairs and usually a 

 postmedian bare area. 



Black. Mandible whitish to light brown ; front of scape and pedicel, 

 palpi, tegula, hind corner of pronotum, coxae, and trochanters white 

 or whitish, the hind coxa light brown basally, especially below ; mese- 



