224 Mr. F. Walker's Characters of undescrihed Diptera 



=: Venae transversae approximatae. Hcterogasler, Macq. 

 H — h JVons prominens, acuminata. Nolacanthina, Macq. 

 X X Antennae sub frontis marginem insertae. Cruphiocera, 



Macq. 

 -j- -f Caput dilatatum. Plagiocephala, Wied. 

 * * Facies plana, 

 -j- Antennae non supra insertae. 

 ;|; Antennae epistoma attingentes 

 § Areola analis non acuminata. Odontomera, Macq. 

 § § Areola analis acuminata. 



X Femora non spinosa. 

 —J- Epistoma prominens ; palpi dilatati. Bactrocera, Macq. 

 H — h Epistoma non prominens. 



++ Oviductus longus, gracilis, cylindricus. Leptoccys, Macq. 

 ++ ++ Oviductus, brevis latus, depressus. Dacus, Fabr. 

 X X Femora spinosa. Meracantha, Macq. 

 ;{; J Antennae epistoma non attingentes. 



§ Maris frons setis duabus capitatis. Ceratitis, Macleay. 

 § § Frons setis nullis capitatis. 

 X Antennarum articulus 2"* apice obliquus; 3"^ subtus ro- 

 tundatus. Campylocera, Macq. 

 X X Antennarum articulus 2"^ apice quadratus. Trypcta, Meig. 

 -j- -j- Antennse supra insertae. Epicerella, Macq. 



Genus Ropalomera, VVeid. 



Ropalomerd tibialis. 



Mas. et Fcem. — Nigro-fusca, fronte lutea, nigro-vittata, facie 

 picea, strigis duabus inferioribus albis, thorace vittis septem 

 albis, metathorace abdomineque albido - tomentosis, hujus 

 basi fulvo, pedibus nigris pilosissimis, femoribus pos- 

 terioribus incrassatis fulvo-variis, tarsis basi testaceis, alis 

 cinereis fusco-nebulosis, 



Male and female. — Dark brown ; front luteous, witb a black 

 strijie; face piceous ; a wliite streak on eacb side beneatb ; thorax 

 with seven white stripes ; pectus with a white stripe on each side ; 

 scutellum very prominent ; metatliorax and abdomen with whitish 

 tomcntum, the latter tawny at the base ; legs black, very pilose ; 

 posterior femora very thick, partly tawny ; tarsi towards the base 

 and knees testaceous ; fore tibiae partly tawny ; wings grey ; veins 

 black, tawny at the base, partly clouded with brown ; proebrachial 



