BY G. H. IIAIMiV. 



35 



segments and rather elongated in the female ; the seutel- 

 hrm without spines and the whole insect devoid of strong 

 hairs or bristles. The wings have three posterior veins, a 

 reduced discal cell and the anal cell closed before the wing 

 margin. 



Key in tin S pirns of Metoponia. 



1. Tire two basal joints of the antenna' equal ; a yellow 



brown species. prisca. 



The first joint of the antennae conspicuously longer 



than the second; a black, brown or reddish sf> 



and the female with a reddish head. rubriceps. 



Metoponia rubriceps, Macquart. 

 Text fig. 1. 



Metoponia rubriceps, Macquart, Dipt. Exot., suppl. 2, 



1847, p. 28, pi. i. fig. I ; and suppl. 3, 1848, p. 15. 



1. 1.. Walk r, List Dipt, B.M., v. suppl. 1. 1854, p. 



113. Id.. Osten-Sacken, Berl. Ent. Zeit., xxvii., 



1883, p. 297. Id., White. Proc. Roy. Soc. Ta 



1914, p. 46. hi.. White, IMS. N.S.W., xli., 1916, 



p. 75. 

 Chiromyza flavieaput, Walker, Ins. Saund. Dipt., i., 1852, 



p. 163. 

 Cryptoberis herbescens, White. P.L.S. N.S.W., xli., 1916, 



p. 71. Text fig. 1. 



Synonymy. — Dr. E. W. Ferguson has a specimen named 



by White as Cryptoberis herbescens. It was taken about 



the same time of the year and in the same locality as the 



, and it agrees in every reaped with the male of M. 



