COLLECTED IN DUTCH NEW GUINEA. 403 



of ocelli clothed with erect black hairs, lower portion of sides of front also bearing 

 yellowish hairs ; upper portion of sides of face clothed with a mixture of black and 

 yellowish hairs, at least in case of type (in paratype with yellowish hairs alone); 

 jowls clothed with black hairs, occiput, except its upper border, and basioccipital 

 region clothed with whitish or yellowish-white hair ; ^J«Zp^ black and clothed with 

 black bristles and hairs ; first and second joints of antennce clove-brown, third joint 

 dark brown, its style chestnut-brown, first and second autennal joints clothed with 

 black hairs or bristles, first joint also with yellowish hairs at base beneath. Thorax: 

 dorsum with a narrow median longitudinal stripe, two narrow admedian longitudinal 

 stripes, and transverse suture yellowish pollinose, longitudinal pollinose stripes 

 becoming indistinct posteriorly, where median stripe is expanded into a somewhat 

 scutiform mark ; dorsum thinly clothed with erect black hairs and bristles, its fore 

 border clothed with yellowish hair ; scutellum yellowish pollinose, clothed with 

 recurved buiF-yellow hairs and black bristles ; pleurfe yellowish or greyish pollinose, 

 clothed partly with black, partly with yellowish or whitish hair ; fringe on metapleurse 

 partly black and partly yellowish (entirely yellowish below). Abdomen : tergites of 

 second and third segments clothed exclusively with ochre-yellow hair, the similar hair 

 on the fourth tergite replaced in front more or less extensively by black hair, lateral 

 borders of fifth tergite yellowish pollinose ; ventral surface of first five segments 

 yellowish pollinose and clothed with long ochre-yellow hair, ventral surface of 

 remaining segments black and (with exception of last segment, on which hairs are 

 ochreous posteriorly and below) thinly clothed with black hairs. Wings tinged with 

 raw umber, usual dark streak in first submarginal cell large and well defined, 

 Halteres ochx2iceox\.?,-h\xS. Legs: coxse greyish pollinose and clothed with yellowish 

 hair, hind coxse bearing a fringe of long, curved, black hairs below ; tarsi, front and 

 hind femora, tips of front and middle tibise, and rather less than distal half of hind 

 tibiae black, middle femora black at tips and on proximal three-fourths of under 

 surface, anterior femora sometimes with an ochraceous- rufous spot on posterior surface, 

 at commencement of distal third ; hair on femora and tibiee partly ochreous, partly 

 black, posterior surface of hind femora clothed with ochreous hair ; claws black, 

 pulvilli buff. 



2 S . Utakwa Eiver, 2500-3000 ft., Feb. 1913. {Type and paratype of the species.) 

 [Additional specimen : 1 ? . Base Camp, sea-level, Setakwa River, Nov.-Dec. 

 1912.— i^. W. ^.] 



25. Peomachus noscibilis, sp. n. (PI. XXXVIII. fig. 5.) 



d . Length (1 specimen) 27 mm. ; width of head 6-4 mm. ; length of wing 

 21-2 mm. 



Allied to and resembling Promachus bifasciatus Macg., hut distinguishable at once, 

 at least in the male sex, by the coloration of the front and middle tibice and the small size 



