132 MR. walker's catalogue oe dipterous insects 



Female. Black. Abdomen shining. Tibiae testaceous, with black bands ; 

 tarsi white, with black tips. Wings blackish, with numerous limpid dots, 

 and with a limpid band which includes the discal transverse vein, and is 

 intersected by an interrupted blackish hue. Halteres pale. Length of the 

 body 2 lines ; of the wings 4 lines. 



148. Lampeogastee punctata, n. s., mas. Nigra, capite antico testaceo, ^^ 

 orbitis albidis, antennis halteribusque testaceis, pectore vittis duabus tes- 

 taceis, pedibus piceis, alis nigro-fuscis guttis decern discalibus luridis gutta- 



que apicali alba. 

 Male. Black, slightly shining. Head very shining in front, testaceous about 

 the mouth, whitish about the eyes. Antennae testaceous. Pectus with a 

 testaceous stripe on each side. Legs piceous. Wings blackish-brown, with 

 about ten lurid dots on each, and with a larger white dot on each tip. 

 Halteres testaceous. Length of the body If line ; of the wings 3 hues. 



149. Lampeogastee guttata, n. s., mas. Nigra, orbitis albidis, epistomate 

 antennis halteribusque testaceis, pectore vittis duabus vix determinatis tes- 

 taceis, pedibus piceis, alis nigro-fuscis guttis plurimis apicibusque limpidis. 



Male. Black, shghtly shining. Head very shining in front, testaceous about 

 the epistoma, whitish about the eyes. Antennae testaceous. Pectus with an 

 indistinct testaceous stripe on each side. Legs piceous. Wings blackish- 

 brown, with many limpid dots, the largest on the hind border ; tips limpid. 

 Halteres testaceous. Length of the body 1| line ; of the wings %\ lines. 



The two preceding species may perhaps form a new genus, the peculiar cha- 

 racters of Lampromyia being hardly conspicuous in them. 



Gen. Sophira, Walk. 



150. Sophiea concinna, n. s., foem. Testacea, frontalibus luteis, thorace fas- 

 ciis duabus lateralibus vittisqiie duabus nigricantibus, pectore ex parte abdo- 

 minisque vittis quatuor nigris, tibiis posticis fuscescentibus, alis obscure 

 fuscis apices versus pallide fuscis strigis basahbus fasciaque abbreviate 

 limpidis. 



Female. Testaceous, shining. Head with luteous frontalia. Thorax with two 

 blackish stripes, and on each side with two blackish bands. Pectus partly 

 black. Abdomen with four black stripes. Hind tibiee brownish. Wings 

 dark brown, pale brown on the apical third part, with limpid basal streaks, 

 and with a limpid shghtly abbreviated band beyond the middle ; veins black. 

 Length of the body 3 lines ; of the wings 6 hnes. 



Gen. Rioxa, Walk. 



151. Rioxa lanceolata, Walk. See page 35. This species is very variable in 

 the breadth of the stripes of the thorax, and in the number and size of the 

 spots on the wings. 



152. Rioxa confinis, n. s., foem. Ferruginea, abdomine nigricante, alis ni- 

 gro-fuscis basi guttisque octo limpidis. 



Female. Ferruginous. Abdomen blackish. Wings blackish-brown, limpid 

 towards the base, with three triangular limpid spots on the costa, with two 

 limpid spots (one of them double) on the hind border, and with two on the 

 disk ; veins black. Length of the body 3 lines ; of the wings 6 lines. 



