MR. WALKER ON DIPTERA COLLECTED AT MAKESSAR. 117 



veins black ; pracbrachial vein hardly bent exteriorly ; discal transverse 

 vein parted by more than four times its length from the end of the 

 subanal vein. Length of the body l^ line; of the wings 2 lines. 



Gen. DiAPHORUS, Meigen. 



80. DiAPHORUS RESUMENS, Wlk, See Vol. 11. p, 93. 



Tarn. LONOHOPTEEIDiE, Curtis. 

 Gen. Cadrema, n. g. 



Mas. Corpus breviusculum, sat gracile. Caput thorace vix angustius ; 

 facies subobliqua. Antennee brevissimae ; arista apicalis, longa, sub- 

 pubescens. Abdomen ovatum, thorace vix longius. Pedes posteriores 

 robusti; tibiae posticse calcare apicali arcuata. Ales angustse, lan- 

 ceolatae. 



Male. Body rather short and slender ; head nearly as broad as the 

 thorax; face slightly oblique. Antennas extremely short ; arista long, 

 apical, minutely pubescent. Abdomen oval, hardly longer or broader 

 than the thorax. Posterior legs stout ; hind tibiae with a curved apical 

 spur. Wings narrow, lanceolate ; cubital vein and praebrachial vein 

 parallel, the latter ending at the tip of the wing ; discal transverse 

 vein straight, ending at full thrice its length from the border and at 

 nearly thrice its length from the praebrachial transverse. 



81. Cadrema Lonchopteroides, n. s. Mas. Testacea, antennis 

 luteis, thoracis disco et metathorace nigris, abdoraine apicem versus 

 nigricante, alis vitreis macula apicali nigricante. 



Male. Testaceous ; antennae luteous ; disk of the thorax and meta- 

 thorax black; abdomen blackish towards the tip; wings vitreous, 

 w ith a blackish apical spot ; veins black, testaceous towards the base. 

 I^ength of the body 1| line ; of the wings 4 lines. 



Pam. PLATYPEZID^, Haliday. 

 Gen. Platypeza, Meigen. 



82. Platypeza glaucescens, u. s. Mas ei Foem. Piceo-nigra, 

 capite gutta atra, thoracis disco cyanescente-cinereo, abdomine nigro, 

 pedibus halteribusque piceis, tarsis albidis, posticis dilatatis, alis vitreis. 



Male and Female. Piceous black ; head with a deep black dot in front ; 

 disk of the thorax with a bluish-cinereous tinge ; abdomen black j 

 legs piceous ; tarsi whitish ; hind tarsi dilated ; wings quite vitreous ; 

 veins black ; discal transverse vein parted by nearly twice its length 

 from the border, and by more than twice its length from the fork of 

 the prsebrachial vein; fore branch of the latter joining the termination 

 of the costal vein at the tip of the wing, close to the end of the cubital 

 vein; halteres piceous. Length of the body 1-1^ line ; of the wings 



