162 THE CANADIAN ENTOMOLOGIST 



Male. — Hypopygiu-n, with the 9th tergite (pi. XI, fig. 7) from 

 above, narrow with deep median notch on the caudal margin, and 

 with the outer angles of the lobes produced into sharp points, 

 which are directed caudad and laterad, the caudal margin of these 

 lobes with fine denticulae, 9th sternite from beneath with the caudal 

 margin gently concave, pleural suture very strongly arcuated; 

 apical appendages, outc one rather broad and pointed, inner ap- 

 pendage with a long curved point below which are three chitinized 

 teeth. (See plate XI, fig. 14). 



Holotype, tf . Tokyo, Japan; May 7, 1912. (Vial 30.) 



Pachyrhina repanda, sp. n. 



Head yellow, with a small rounded brown spot on vertex; 

 mesothorax with black stripes, scutellum and postnotum unmarked. 



Male. — Length 12.9 mm.; wing 13.4 mm.; antennae 5.2 mm. 



Male. — Palpi yellow; frontal prolongation of the head yellow 

 except the nasus, which is brownish and provided with a tuft of 

 long brown hairs; antennae with segments 1 to 3 yellowish, the 

 third a little brown on the lower surface; remainder of antennae 

 dark brownish black; the intermediate flagellar segments rather 

 deeply incised on the low T er face at the basal third (see plate XI, 

 figure 11, showing the outline of the sixth antennal segment) ; front, 

 vertex and occiput yellow, the vertex with a small rounded dark 

 brown median spot behind. 



Pronotum light yellow; mesonotal praescutum light yellow, 

 with dark brownish black stripes as follows: A broad median stripe 

 which is widest in front, slightly narrowed behind and running the 

 length of the sclerite; a shorter lateral stripe on either side, this 

 stripe curved laterad before the pseudosuture; scutum, lobes with 

 a prominent oblique stripe running across them; a small triangular 

 median blotch on the anterior half of the sclerite; scutellum and 

 postnotum light yellow, unmarked. Pleura pale yellowish white. 

 Halteres light coloured, the knob a little suffused with brown. Legs, 

 coxae and trochanters light yellow, femora and tibiae yellowish 

 brown, passing into brown at the tip of the latter; tarsi brown. 

 Wings subhyaline, cells C and Sc. a little brighter, yellowish; 

 stigma small, brown, tip of the wing a little suffused with darker; 

 veins brown, vein Sc. yellow. Venation as in plate XI, figure 3. 



