LAMB— DIPTERA: LONCH^EID^E, SAPROMYZID^E, EPHYDRID^E, ETC. 337 



Face, palpi and tongue reddish yellow, the palpi being stout, fleshy and slightly 

 compressed laterally. 



Eyes large, closely but finely haired. 



Jowls silvery below the eyes then yellow. A row of fine fronto-orbital bristles 

 extending from the vertex to the antennae, outer vertical pair, post-verticals, parallel pair 

 of ocellars. 



Antennae reddish yellow with a large circular discal third joint and black pubescent 

 arista which is inserted about the middle of the upper side of the third joint. 



Thorax. Dorsum brownish black, shining, but obscured with slight pollination and 

 yellow pubescence. Humerus yellow ; a yellowish spot each side of the base of the 

 scutellum. A small pair of prescutellar bristles. Scutellum rounded, yellow, hairy with 

 two terminal bristles and three marginal ones each side. Pleura shining yellowish with 

 shining blackish spots just above the middle coxa and the base of the wings. Metanotum 

 shining black. 



Wings much as in Gaurax ephippium but proportionately broader, the third vein is 

 very slightly bowed instead of being straight. 



Fig. 22. Siphunculina signata Roiid., wing. 



Halters and their stalks pale yellow. 



Legs pale yellow except for blackened tips to all the femora and a broad blackened 

 ring on the hind tibiae. 



Abdomen blackish brown, the basal part of the dorsal surface and the venter paler. 

 The female has a well developed soft ovipositor. 



Size about If mm. 



Localities. Seychelles. Silhouette: Mare aux Cochons, IX. 1908. Mahe: Cascade 

 Estate, about 1000 ft., 1909. 



Siphunculina, Rondani. 



Siphunculina Rondani, Prodr., i. (1856), p. 128. 



44. Siphunculina signata (Wollaston), Ann. Mag. Nat. Hist., ser. 3, i. (1858), 

 p. 117, PI. V, fig. 8 [Oscinis]. 



This insect was described and figured by Wollaston from Madeira. Specimens in 

 the collection agree well with this description and also with that of Becker in the Archiv. 

 Zool., i. (No. 10), p. 132. 



The wing is figured (Fig. 22), as Wollaston's figure is not very clear. 



Locality. Cargados Islands: Establishment Island and Siren Island, 27 — 28. VIII. 

 1905. 



43—2 



