Mallophaga from Birds of Costa Rica, Central .iincrica 5 



Docophorus transversifrons sp. nov., pi. I, fig. 1 



Male. — Body, length 1.76 mm., width .62 mm.; brownish 

 golden ; head large with broad truncate clypeus, and abdomen 

 subclavate, with narrow, light smoky brown lateral bands and 

 golden brown transverse bands. 



Head, length .66 mm., width .58 mm. ; deep golden brown, 

 with long, broad, truncate clypeus and constricted, rounded tem- 

 ples ; occiput convex ; clypeal angles with two hairs ; one mar- 

 ginal and one submarginal hair at clypeal suture ; two submar- 

 ginal hairs just before trabeculae; trabeculae rather small for 

 the genus, pointed, golden ; antennae short and stout, first joint 

 thickest, second longest, third and fourth subequal, shortest, and 

 all uniformly golden brown; eye convex, colorless, with a hair; 

 temples evenly rounded, with two rather long hairs and several 

 short bristles; narrow, dark brown, antennal bands, broken at 

 clypeal suture, not reaching clypeal angles, and with bases swol- 

 len and bent inward at trabeculae ; paler brown, internal, sinu- 

 ated bands inside of antennal bands; clypeal signature large, 

 broad pointed posteriorly, slightly emarginate at' sides, scarcely 

 reaching end of clypeus, and whole deep golden brown ; mandi- 

 bles heavy, chestnut ; pale brown occipital bands running from 

 sides of occiput to bases of antennal bands ; temples narrowly 

 edged with brown, and whole region brownish. 



Prothorax small, quadrangular, with slightly diverging sides ; 

 posterior margin bluntly angulated ; posterior angles with one 

 stout hair, lateral bands of deep brown, pale at the margins and 

 curving around on posterior border nearly to middle of segment ; 

 interior of segment pale golden brown ; brown coxal bands vis- 

 ible. Metathorax short, transverse, with strongly convex, diverg- 

 ing sides, and flatly angulated posterior margins, with three hairs 

 on each side ; lateral submarginal bands of deep brown ; whole 

 segment golden brown. Legs rather short, stout, with well-de- 

 veloped tibiae and aborted tarsi ; uniformly concolorous with 

 body, with the exception of j^ale brown semiannulations at tips 

 of femora and tibiae. 



Abdomen short, subclavate, with lateral margins of segments 

 slightly convex, and rounded, projecting, posterior angles fur- 



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