574 LIST OF DIPTERA. 



b. Antennarum articulus 3us brevis. 3. Trupanea. 



B. Alarum vena cubitalis furcata; radialis simplex. 



C. Alarum vena radialis subcostali ad apicem connexa. 



a. Facies valde prominens. - - - - 4. Erax. 



b. Facies plana aut paullo prominens. 



i. Oviductus corona spinularum armatus. 



* Facies plana. - - - - 5. Apoclea. 

 ** Facies paullo prominens. - - 6. Proctacanthns. 



ii. Oviductus spinulis nullis. 



* Facies paullo prominens. 



f Antennarum arista mediocris. 

 % Arista simplex. 

 § Sexualia exserta. 



|| Arista gracilis. 7. Asilus. 



HI Arista crassa. 8. Polypbonius. 



§§ Sexualia occulta. - - 9. Atractia. 



JJ Arista subtus ciliata. - - TO. Ommatius. 



ff Antennarum arista longissima, apice spatulata. 



11. Lecania. 

 ** Facies plana. 12. Sen oprosopus 



b. Alarum vena radialis costali ad apicem connexa. 



a. Onychia distincta. 



i. Corpus breve. - - - - 13. Damalis. 



ii. Corpus attenuatum. - - - - 14. Pheneus. 



b. Onychia nulla. - - - - - 15. Leptogaster. 



Genus 1. CRASPEDIA. 



Corpus latissimum. Facies valde convexa. Mystax dense 

 setosus. Proboscis longa, recta, lanceolata. Antennarum articulus 

 lus 2o duplo longior; 3us lon>nlanceolatus, arista brevissima, lo 

 fere quadruplo longior. Abdominis latera fasciculis ciliata. 

 Femora tibiaeque subtus spinosa. 



Craspedia. Macq. Dipt. Exot. i. 2, 83. 

 Asilus, p., Wied. 

 Blepharotes, West. 



Radial vein joining the subcostal at a long distance from the 

 tip of the latter. Fore fork of the cubital vein very slightly curved ; 

 hind fork much curved, forming, with the fore fork, a snbfusiform 

 areolet. First externo-raedial vein curved; second straight; third 

 forming a hardly obtuse angle with the praebrachial, joining the 

 fourth far from the border. Subanal joining the anal very far from 

 the border. 



