44 AUSTUALIAN BOMBYLIID.E AND CYUTID^ (DIPTERA), 



17. The third joint of the antennae and the face with 



long hairs in both sexes. The cubital fork with 

 an appendix. Acreotrichus. 



The third joint of the antennae and the face bare in 

 the female. The cubital fork without an appen- 

 dix. Phthiria. 



18. The first posterior cell open, at most closed at the 



wing border. 19. 



The first posterior cell closed considerably before 



the wing border, 23. 



19. The first basal cell much longer than the second; 



i.e., the intermediate cross vein is situated to- 

 wards or beyond the middle of the discal cell. 



Dischistus. 



The two basal cells of about equal length; i.e., the 



intermediate cross vein is situated near the 



base of the discal cell. Sisyromyia. 



20. The two basal cells of about equal length. 



Systcechus. 

 The first basal cell much longer than the second. 



Bombylius. 



ANTHRACINM. 



Genus Hyperalonia, Rondani. (PI. XVI., fig. 1.) 

 Hyperalonia, Rondani, Archiv. per la Zool. iii., 1863, p. 58. 



Hyperalonia satyrus, Fabricius. 

 Bibio satyrus, Fabricius, Syst. Ent., 1775, p. 758; and Sp. 



Ins. ii., 1781, p. 415; and Mant. Ins., ii., 1787, p. 329. 

 Musca satyrus, Gmel. Syst. Nat. v., 1792, p. 2,831. 

 Anthrax satyrus, Fabricius, Ent. Syst. iv., 1794, p. 259; and 



Syst. Ant., 1805, p. 123. Id., Wiedemann, Dipt. 



Exot., 1821, p. 151; and Auss. zweifi. Ins., i., 1828, 



p. 322. Id., Walker, List Dipt. B.M., ii., 1849, p. 243; 



and Ins. Saund. Dipt., 1852, p. 166. 

 Exoprosopa satyrus, v. d. Wulp, Tijd. v. Ent. (2), iii. (xi.), 



1868, p. 106, PL iii., fig. 10. Id., Osten-Sacken, Cat. 



Dipt. N. Amer., ed. 2, 1878, p. 87, note. Id., v. d. 



Wulp, Cat. Dipt. S. Asia, 1896, p. 69. 

 Anthrax funestra, Walker, List Dipt., B.M., ii., 1849, p. 242. 

 Exoprosopa funestra, Walker, Ins. Saund., Dipt, i., 1852, 



p. 165. 

 Exoprosopa insignis, Macquart, Dipt. Exot., suppl. 5, 1855, 



p. 73, PL iii., fig. 7. Id., Bergroth, Stett. Ent. Zeit., 



Iv., 1894, p. 72. 



