WAiaiOTJ, MYSOL, AND NOltXH CEKAM. 237 



Male. Black, rather narrow. Head silvery in front. Eyes bare. An- 

 tennae rather short. Thorax with three hoary stripes. Pectus hoary. 

 Abdomen oval, lurid, with hoary tomentum, not longer than the tho- 

 rax ; dorsal stripe and suturesof the segments black. Wings brownish 

 cinereous ; veins black ; pra;brachial vein forming a rounded obtuse 

 angle at its flexure, slightly curved inward thence to its tip ; discal 

 transverse vein slightly curved, parted by more than half its length 

 from the border, and by more than its length from the flexure of the 

 prffibrachiul vein. Length of the body 2| lines; of the wings 5 lines. 



Subfam. Lausanides, WaUc. 



Gen. LoNciiiEA, Fallen. 



36. Lonchsca inops. Walk. See Vol. III. p. 110. 



Subfam, Oetalides, lEaliday. 



G-en. Platystoma, Latr. 



37. Platystoma tarsalis, n. s. Foiin. Nigra, capite albo, frouta- 

 libus rufis antice nigris, peristomatis lateribus antennisque piceis, 

 thorace vittis quatuor cinereis, scutello niteute, abdoraine albido fasciis 

 duabus nigris apice styliformi, tarsis basi albis, alis cinereis nigro 

 quadrifasciatis, fascia P antice flexa et dilatata, 2* 3"que antice 

 flavescente strigatis, 4(1 apud costam angulata, halteribus flaves- 

 centibus. 



Female. Black, dull. Head white; frontalia red, black in front; 

 peristoma piceous on each side. Proboscis and palpi black. Antennae 

 piceous, not reaching the epistoma. Thorax with four slight cinereous 

 stripes; sides and pectus cinereous; scutellum shining. Abdomen 

 whitish, abruptly styliform at the tip, not longer than the thorax, with 

 two black bands, of which the 2nd is apical. Tarsi white towards the 

 base. Wings cinereous, with four black bands ; 1st band incomplete 

 hindvvard, bent inward and dilated in front, where it is accompanied 

 by some little transverse black streaks ; 2nd and 3rd bands trans- 

 versely streaked with yellowish in front ; 4th baud angular in frontj 

 and extending along the costa to the tip of the wing ; veins black ; 

 discal transverse vein nearly straight, parted by one-fourth of its 

 length from the border, and by much more than its length from the 

 praebrachial transverse vein ; halteres pale yellowish. Length of the 

 body 6 lines ; of the wings 12 lines. 



Gen. Lampkogastee, Macq. 



38. Lamprogaster marginifera. Walk. See Vol. UL p. IIL 



Geu. Dacus, Fair. 

 39, Dacus imitans. Walk, See Vol. IV. p. 150. 



18t 



