NO. 2136. REVISION OF THE GENUS APHYCUSTIMBERLAKE. 609 



the first slightly longer and increasing slightly in width, the last 

 two wider than the preceding and longer, the fifth especially longer 

 and about as long as wide, the sixth wider than long and about twice 

 as wide as the first joint; club oval, rather rounded at apex, about 

 one-third wider again than preceding joint and a little longer than 

 the last three funicle joints combined. Wings uniformly and densely 

 ciliated; oblique hairless streak interrupted below, the cut-off portion 

 not reaching posterior margin of whig. Length, 0.7 to 1.5 mm. 



Front, vertex, upper part of face above lower corners of eyes and 

 mesonotum deep orange yellow, the latter slightly darker and often 

 with a curved, faint blackish line on each side of the base of the 

 scutum; face and cheeks yellowish white, with the black of the 

 occiput extending broadly on to the lower corners of the cheeks and 

 as a narrow brown band entirely across the oral margin of face; 

 occiput, except the orange yellow upper rim and yellowish white 

 sides above, concealed portion of pronotum, the metanotum, pro- 

 podeum, and dorsum of the abdomen dull black, the latter with the 

 margins behind the vibrissae white; pronotal collar whitish with a 

 brown dot on each corner; tegulae, except for a brown spot on poste- 

 rior margin, and the underparts sordid yellowish white, the venter 

 of the abdomen dusky in the middle. Antennal scape black with a 

 narrow line on upper margin and a roundish spot on lower, basal 

 corner of the outer surface yellowish white; basal third of pedicel, 

 first three and a part of fourth funicle joint, and club blackish; rest 

 of antenna yellowish white. Legs yellowish white; all tibiae with two 

 blackish annuli; and last joint of the tarsi blackish. Wings hyaline, 

 the veins pale yellowish. 



Male. Front and vertex wider than long; ocelli in an obtuse- 

 angled triangle, the posterior pair fully their own diameter from the 

 eye margin. Antennal scape much narrower, than in the female, 

 about three times as long as wide; pedicel a trifle shorter than the 

 first funicle joint; all funicle joints subequal in length, increasing 

 slightly in width, the first distinctly longer than wide, others about 

 as wide as long; club narrow and rather pointed at apex, no wider 

 than the preceding joint and a trifle longer than the last two funicle 

 joints combined; flagellum on the whole long, slender and thickly 

 pubescent. Length, 1.0 to 1.15 mm. 



Vertex, occiput, a greater part of cheeks and lower margin of face, 

 concealed part of pronotum, most of notum of thorax and the abdo- 

 men including venter black or blackish brown, being nearly pure, 

 dull black on the notum and shading into yellowish on the sides of 

 the scutum; front orange yellow; greater part of face, cheeks next to 

 the eyes, collar of pronotum, tegulae and underparts of thorax 

 yellowish white, the collar having a black dot on each corner, and the 

 tegulse a brown spot on the posterior margin. Antennae pale yel- 

 10600 Proc.N.M.vol.50 16 39 



