NO.2099. THE DIPTEROUS GENUS SYMI'IIOROMYIA—ALDRICII. 



123 



Figs. 1-2.- 



-Head of Symphoromyia cruenta 

 1, Male; 2, female. XII. 



Front with dense black pile, long for a female; first antennal joint 

 rather large, with long black pile; third rounded or heart-shaped, 

 vertical diameter slightly more than that of first joint; sides of face 

 with mixed black and pale pile; beard light yellow; palpi black, with 

 mixed hairs. Mesonotum with four brown stripes, the middle pair 

 separated by a hair line, the outer notched at suture; a distinct 

 brown spot above root of wing; 

 hairs of thorax mostly black, those 

 of metapleura, however, pale; hal- 

 tcres with blackish loiob. Abdo- 

 men opaque yellowish-gray on 

 black ground-color, with yellowish 

 hairs. Femora and tibiae shining 

 black, front and middle knees 

 narrowly reddish. 



Length of male, 7 Inm.; of 

 female, 7-8 mm. 



In addition to the long series of 

 typical specimens of both sexes in the United States National 

 Museum, I have seen five males from San Diego, California, collected 

 by Prof. R. W. Doane. 



SYMPHOROMYIA FULVIPES Bigot. 



Symphoromyia fulvipes Bigot, Bull. Soc. Zool. France, vol. 12, 1887, p. 14, 

 female. Mount Hood, Oregon. 



Female (typo redescribed) . — Black in ground color, brownish-cine- 

 reous pollinose, the following parts yellow: antenna? except arista, 

 palpi, lower edge of face, halteres, sixth and following segments of the 

 abdomen, femora, tibiae, and almost the whole of all the tarsi; com- 

 paratively coarse and strong black pile on the front, first antennal 

 joint, palpi, mesonotum, scutellum, and middle coxae; abdomen with 

 short blackish pile, yellow at base and on sides. 



Front above antennae evidently narrower than one eye, with rather 

 long, dense black pile; first antennal joint pollinose, not very decid- 

 edly yellow, short and a little rounded, witli rather short black pile 

 above and l^olow; third joint deep yellow, convex at apex, its vertical 

 diameter 1^ times that of firet joint; sides of face bare, several small 

 black hairs scattered on the lower half of the middle area of the face; 

 proboscis short, labclla thick and fleshy, the hard parts protrude 

 farther than the palpi, equalhng about t} the height of the head; beard 

 whitish. 



Mesonotum brownish-cinereous pollinose, with three deep-brown 

 stripes, very ill-defined in the specimen; the black pile above noto- 

 pleural suture and on scutellum erect and conspicuous; pleurae sub- 

 shining, with mostly delicate, pale hair; halteres entirely deep yellow. 



