96 ZOOLOGICAL RESULTS OF THE EIJWENZOEI EXPEDITION. 



Seeicophoromyia claeipilosa, sp. n. (Plate III. fig. 10.) 



d . — Length (1 specimen) 12"25 mm. ; width of head 4'25 mm. ; width of front at 

 vertex 0'6 mm. ; length of wing 9 mm. 



Dorsum of thorax and abdomen moderately shining ; dorsum of thorax [exclusive of 

 scutellum and a median quadrate area immediately in front of it) olive, clothed with 

 Mack hair and bristles ; silky, crinkled hair maize-yellow, confined to pleurw, postalar 

 calli, hinder portion of humeral calli, and lateral margins of scutellitm ; sides of 

 anterior portion of abdomen tawny ochraceous, last two segments, except basal angles, 

 black, first segment very short and entirely black, second segment with a large median 

 Mack blotch, third segment with a black median triangle ; wings with a slight brownish 

 tinge, extreme base ochreous ; legs black, hind tibiae faintly ochraceous on inner side in 

 middle, front femora yellowish pollinose on sides and beneath, middle and hind femora 

 greyish pollinose on anterior and posterior surfaces. 



Head yellowish, front clothed with dark brown hair, upper half (or rather less) of 

 front blackish or black, frontal stripe black, its middle portion narrower than sides 

 of front ; sides of face (" parafacials " of Townsend) narrow, frontal bristles descending 

 to level of end of second joint of antenna, and followed by a compound series of fine 

 blackish hair, which descends to level of point at which ciliation of facial ridges ceases, 

 i. e., to level of upper end of lowest third of facial ridges ; jowls and occiput clothed 

 with buff-yellow hair ; hairy covering of eyes brown above, yellowish below ; palpi 

 stout, clavate, brown, extreme tips buff, clothed with black hairs and bristles ; antennoe., 

 including arista, entirely clove-brown, third joint oblong, broad, about four times as long 

 as second, and three times as long as broad. Thorax : scutellum and median quadrate 

 area in front of it honey-yellow, scutellum clothed, apart from lateral margins and 

 macrochaetae, entirely with short black hair ; pectus, pleurae, and lateral margins 

 of dorsum olivaceous, yellowish pollinose ; humeral calli buff, postalar calli dusky 

 ochraceous-buff. Abdomen clothed above with short black hair, on sides and below with 

 pale Naples yellow hair.; third and fourth segments yellowish pollinose in front above, 

 greyish pollinose below ; black median blotch on dorsum of second segment in shape 

 of a truncated triangle, with base resting on front margin, sides somewhat curved, and 

 apex cut off by hind margin ; black median triangle on dorsum of third segment with 

 base resting on hind margin, and apex produced to meet front margin ; dorsum of 

 fourth segment with a tawny-ochraceous triangle occupying each basal angle, the 

 apices of these triangles directed towards middle line, but widely separated ; dorsum 

 of fifth segment (at least in case of type) with only a very small and scarcely noticeable 

 fleck in each basal angle ; venter tawny ochraceous, with apex (fourth and fifth 

 segments, except basal angles of former) black, a transversely elongate, black blotch 

 on anterior margin of second, and a black, transverse band on posterior half of third 

 segment. Sguamce wax-yellow. Legs clothed with black hair and bristles, but with 

 long maize-yellow hair on under side of front and hind femora, and on under side of 



