LIST OF DIPTEIIA. 389 



31. DiOCTRIA ? CONOPSOIDES. 



Nigi-a ; caput flavum ; thorax Jlavo maculatus ; abdomen fasciis 

 riijis ; pedes ruji. 



Asilus coDopsoides, Fahr. Mant. Ins. ii. 361, 37; Ent. Si/st. iv. 



389, 59. 

 Dioctvia conopsoides, Fabr. Si/st. Anil. 151, 9. 



New Holland. 



Country unknown. 



32. DiOCTRiA HORSLEYI. 



Dioctvia Hoisleyi, Saunders, Diptera Snmidersiana, Pt 2, 8(5. 



Genus 3. DASYPOGON. 



Caput nun depressum. Antennas triarticulatee. Thorax non 

 gibbosus. Ahtlonien mediocriter longura, nou petiolatum. Femora 

 poslica vix clavata. 



Dasypogon, p., Fahr. Syst. Antl. ; Latr. : Panz.; Fall.; Meig. ; 



Curt. ; Zell. ; Zett. ; Loew. 

 Asilus, p., Li/m.; Fabr. Ent. Syst. ; Schr.; Gmel. ; Panz. 

 Dioctria, p., Fabr. 



Dasypogon et Microstylum, Xiphocera et Acnephalum, Macq. 

 Dasypogon, Megapollyon, Prolepsis, Euarmostus el Morimna, 



Walk. 



Mediastinal vein ending at a little before two-thirds of the length 

 of the wing. Subcostal ending at beyond seven-eighths of the length. 

 Radial and cubital springing from a common petiole, which pro- 

 ceeds from the subcostal at about one-fourth of ihe length of the 

 wing, and is less than one-sixth of their length. Cubital forked a 

 little before two-thirds of its length, joined by a veinlet with the 

 first externo-niedial a little before one-third of its length. P'irst 

 and third extcvno-raedial springing from a common petiole at much 

 before half the length of the wing, united again by a veinlet whose 

 angle emits the second externo-medial. Third externo-medial ex- 

 lending to the hind border in some species ; in others inclined 



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