mOM THE ISLAKD OF SALWATTT. 135 



yellowish, slightly shaded with piceous ; posterior femora whitish to- 

 wards the base. Wings limpid, with two blackish stripes, one costal ; 

 the other mostly contiguous to the hind border, terminating by the 

 discal transverse vein ; costa much dilated exteriorly ; veins black ; 

 discal transverse vein oblique, nearly straight, parted by one-sixth of 

 its length from the border, and by a little less than its length from 

 the prsebrachial transverse vein, which is unusually long ; halteres 

 pale yellow. Length of the body 5 lines ; of the wings 11 lines. 

 This species has some affinity to the genxis Toticara. 



11. Dacus detrudens. Mas. Purpureo-cyaneus, frontalibus nigris, 

 facie fulvanigro fasciata, palpis nigris apice fulvis, antennis piceis basi 

 fulvis, thorace vitta cinerea, abdomine subcompresso, pedibus piceis 

 tibiis posticis basi subtus albidis, alis cinereis, halteribus albis. 



Male. Purplish blue ; nearly allied to D. varialis. Head and pectus 

 with cinereous tomentum. Head a little broader than the thorax ; 

 frontalia black, widening in front ; face tawny, with a black band 

 near the epistoma, which is prominent. Proboscis and palpi black, 

 the latter tawny towards the tips. Antennae piceous, a little longer 

 than the face, tawny towards the base; third joint linear, full four 

 times the length of the second ; arista bare, slender. Thorax with a 

 cinereous stripe. Abdomen linear, sessile, slightly compressed, much 

 narrower and longer than the thorax. Legs piceous; hind tarsi 

 whitish beneath towards the base. Wings cinereous, slightly darker 

 towards the costa ; veins black ; discal ti'ansverse vein nearly straight, 

 blackish-clouded, parted by hardly half its length fi'om the border, and 

 by a little more than its length from the prsebrachial transverse vein ; 

 halteres white. Length of the body 4^ lines ; of the wings 8 lines. 



Gren. SoiTA, n. g. 



Mas. Corpus longum, gracile. Caput setis duabus incrassatis arcuatis. 

 Oculi nudi. Antenncs facie longiores ; articulus 3"^^ linearis, 2° qua- 

 druplo longior. Thorax elongatus. Abdomen lineare, subcompressum, 

 thorace valde longius. Pedes antici breves, tenues ; postici longi, fe- 

 moribus subincrassatis, tibiis spmosis. 



Male. Body long, slender, shining, minutely pubescent. Head hardly 

 broader than the thorax, with a few bristles, two of which on the fore 

 part of the vertex are incrassated and curved ; face short, vertical j 

 epistoma hardly prominent. Eyes bare. Proboscis and palpi short. 

 Antennae longer than the face ; third joint linear, four times the 

 length of the second ; arista with vei*y short hairs. Thorax elongated, 

 with a few bristles on each side. Abdomen linear, slightly compressed, 

 much narrower and very much longer than the thorax. Fore legs 

 short, slender, with slightly setose femora; middle legs moderately 

 lolig ; hind legs much longer, with slightly incrassated femora and 

 spinose tibiae. Wings moderately broad ; subcostal vein ending at 

 the middle of the costa ; radial vein ending at some distance from the 



11* 



