98 Phoridae. 



F. A. II, 342 (Pkora). - 1901. Beck. Abhancll. zool. bot. Gesell. Wien I, 20, 

 Taf. I, Fig. 8 {Phora). - 1906. Wood, Ent. Month. Mag. 2, XVII, 194 {Phora). 

 — 1910. Kertész, Cat. Dipt. VII, 396 {PJiom). - 1912. Malloch, Proc. U. S. 

 Nat. Mus. 43, 423, PL 35, fig. 8. - 1914. Brues, Bull. Wisc. Nat. Hist. Soc. 

 XII, 88. — 1918. Schmitz, Jaarb. Natuurh. Genootsch. Limburg, 1917, 91. — 

 Phora dimidiata Meig. 1830. 1. c. VI, 215. — Trineura dimidiata Zett. 1848. 

 1. c. VII, 2853, 2. 



Male. Frons black or greyish black, considerably broader than 

 high; bristles strong, the middle row nearly straight, the anterior 

 rather convex. Antennæ not large, brown or reddish brown; arista 

 very short-pubescent. Palpi yellow with short bristles. Genal bristles 

 2 — 3. Thorax black or paler, varying from red to black, and humeri 

 and postalar calli always more or less reddish; thorax is slightly 

 shining with black pubescence, and one pair of dorsocentral bristles. 

 Pleura black or more or less reddish, pteropleura (Ost. Sack.) with 

 the upper margin always pale, whitish yellow, Abdomen black, a 

 little greyish, first segment sometimes a little brownish on the disc; 

 first, second, and sixth segments elongated and first segment with 

 the hind margin a little incised; abdomen very sparingly with short 

 black hairs, forming a row at the hind margin of each segment and the 

 sixth segment with somewhat long hindmarginal hairs; at the sides 

 of second segment a bunch of somewhat long hairs. Venter yellow. 

 Hypopygium large, knob-like, of greyish colour, the right side square, 

 the narrow, claw-like piece below turned somewhat to the left, the 

 left side fissured above and with a triangular piece between it and the 

 sixth segment; the hypopygium has short hairs on the posterior 

 part; a yellowish ventral plate is visible; anal tube quite short, black- 

 ish, with long hairs. Legs including coxæ yellow or light brownish 

 yellow; front tibiæ with a dorsal bristle a little above the middle, 

 middle tibiæ with a pair near the base and an anterior near apex, 

 hind tibiæ with four bristles, two dorsal, one near base and one a 

 little below the middle, and two anterior or anterodorsal, one near 

 base and one near apex. Wings more or less yellowish, an apical 

 browning may be present, but is in this sex very slight and only 

 rarely present; veins brownish, costa a little (more or less) thickened 

 and the thick veins upon the whole strong, especially the first vein 

 thickened towards the apex; costa reaching beyond the middle, 

 1 about equal to 2 and generally a little shorter than 2 + 3; fork 

 acute; costal cilia short and fme; fourth vein issuing with a peduncle 

 at or generally before the base of the fork and somewhat S-like curved 

 at the base, for the rest nearly straight. H alteres yellow. 



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