LIST OF DIPTERA. 37 



Encycl. pi. 384, /. 11. Stew. EL Nat. Hist. ii. 250. T. tri- 

 angularis, Fabr. Sp. Ins. ii. 402, 9. Mant. Ins. ii. 322, 9. 

 Ent. Syst. iv. 236, 10. Syst. And. 27, 14. Gmel. Syst. Nat. 

 v. 2813, 111. Beg. Ins. vi. 134, 2, t. 19,/. 1. Stew. El. 

 Nat. Hist. ii. 250. Turt. iii. 585. Limnobia rivosa, Meig. 

 Dipt. i. 118, 1, t. 4, /. 14, vii. 15. Zett. Ins. Lap. 832, 1. 

 a. England. 



Pedicia gracilis, n. s., fern. Fulva, alio et fusco varia, antennis 

 fuscis, pedibus nigro-fuscis, alis albo-griseis, fusco bivittatis. 



Head white : eyes black : mouth tawny : palpi black : feelers 

 brown, shorter than the chest, slightly pectinated on both sides for 

 about half their length: chest brown, with three dull white stripes, 

 and having a broad white stripe on each side : breast white : abdo- 

 men whitish tawny, ferruginous at the tip, and having a broad 

 brown stripe along the back : legs very dark brown : wings gray in 

 the hinder half, brown in the fore half, where they have two very 

 large longitudinal white spots separated by a narrow brown interval, 

 and extending together from the tip to beyond the middle of the 

 wing; veins and poisers brown. Length of the body 16 lines ; of 

 the wings 24 lines. 



Pedicia albivitta, n. s., mas et fern. Albo fulvoque varia, abdomine 

 griseo vittata, antennis pedibusque fulvis, femoribus tibiisque 

 apice fuscis, alarum triangulis petiolatis. 



Male. — Head white, with a tawny stripe on each side of the 

 eyes, which are bronze colour : feelers tawny, hardly longer than 

 the head : palpi brown : chest white ; shield with four tawny stripes, 

 the inner pair close and parallel to each other, in advance of the 

 other two, which are paler ; there is a semicircular tawny spot be- 

 hind these stripes ; scutcheon tawny behind, and having a large 

 brown lobe on each side : hind chest dark brown on the disk, tawny 

 along the border, and with a white spot in front and one on each 

 side : breast white : abdomen bright tawny, with a gray stripe on 

 the back, and on each side a white stripe, which is widened towards 

 the hind border of each segment: legs tawny, pubescent; tips of 

 the thighs and of the shanks brown ; shanks darker than the thighs, 

 paler than the feet : wings like those of P. rivosa,hut the lower side 

 of the triangle of brown stripes does not cease at the angle, but is 

 continued without diminution to the hind border of the wing ; the 

 veins also are paler, and the little pentagonal cell is smaller than in 

 P. rivosa; poisers pale yellow. Fern. — Abdomen white, with the 

 exception of a large obconical gray spot on each segment ; this spot 



