SXKATIOMYIA. ODONXOMYIA . 61 



\\ holly black, dorsum entirely covered with dense yellowish-grey 

 pubescence, and sides with the pubescence a little paler. Scu- 

 tellum black, with yellowish-grey pubescence ; hind margin 

 broadly brownish yellow ; spines concolorous, with rather long 

 whitish-grey pubescence about their bases. Abdomen moderately 

 shining black, with rather dense, brownish-yellow pubescence on 

 dorsum of 2nd, 3rd, and 4th segments, the pubescence paler on 

 anterior corners and whitish on 5th and Oth segments. A rather 

 large triangular orange spot on hind border towards each side of 

 2nd segment, the inner end of each narrowed to a fine point, the 

 base of the spot placed on the side-margin but extending only 

 halfway to the anterior margin ; hind margin of 3rd segment 

 orange, the colour very narrow in centre of segment, much 

 broader towards sides but narrowed again just on side-margin; a 

 similar orange hind margin to 4th segment and a fair-sized orange 

 triangular spot on 5th, with its base on hind margin ; 6th segment 

 all orange; the extreme side-margin of all segments orange, 

 except the anterior half of 2nd segment. Genitalia brownish 

 orange, small, apparently consisting of a median cylindrical piece 

 and a small lamella on each side. Venter Avith 2nd segment 

 wholly, 3rd broadly, and 4th narrowly on hind margins, brownish 

 orange. Legs black, with grey pubescence on femora and tibiae, 

 yellowish on tarsi ; tips of all femora, basal half of hind pair, base 

 and tips of antei'ior tibiae, hind tibia? wholly, and all tarsi 

 orange. Wings pale brownish grey, veins a little darker ; halteres 

 orange. 



Length 12 mm. 



Described from a single S from Taro, Peshawur District, JNC.W. 

 India, 16-19. v. 1915 (Fletcher); presented by him to the British 

 Museum. 



Near S. barea, Walk., but in that species the abdominal orange 

 (" tawny ") spots are not united to form a band ; the tibiae are 

 piceous and the legs have tawny pubescence. 



Genus 0D0NT0MYIA, Mg. 



Odontomyia, Meig-en, Illig. Mag. ii, p. 265 (1803) ; Brunetti, Bee. 



Ind. Mus. i, p. 126 (1907). 

 Opseogymnus, A. Costa, II Giamb. Vico Napoli, ii, p. 443 (1857). 

 Psellidotus, llondani, Arch. p. 1. Zool. Modena, hi, p. 78 (1863). 

 Eulalia, Kertesz, Kat. Dipt, hi, p. 62 (1908). 



Genotype, Musca hydroleon, L. (Europe) ; by designation of 

 Westwcod (1840). 



Head about as broad as thorax, transverse ; eyes rather flattened, 

 bare or hairy, contiguous in $ , upper facets larger than lower 

 ones, broadly separated in 5 '■> ^ ace prominent, pubescent ; pro- 

 boscis rather long; palpi small, cylindrical. Antennae with first 

 two joints short, 1st longer than 2nd ; 3rd much longer, cylin- 

 drical, tapering, with four to six annulations, last two sometimes 



