724 Mr. Rowland E. Turner on new 



Proiiotum black M. limata, Sm. 



10. Black, without any ferruginous 



colour 11. 



Black, with more or less ferruginous 



colour 12. 



11. Frontal sulcus almost obsolete; 



pubescence on median segment 



dark ill. umbratica, Turn. 



Frontal sulcus well defined ; 

 pubescence on median segment 

 white M. iiiconspicua, Turn. 



12. Pronotum red 13. 



Pronotum black 14. 



13. Head black, mesonotum red; robust, M. mnltipida. Turn. 

 Head red, mesonotum black ; 



slender M. qitadrata, Turn. 



14. Abdomen ferruginous, head black 



or ferruginous M. ahdominnlis, Guer. 



Abdomen black, sometimes red at 

 the apex ; head more or less 

 ferruginous 15. 



15. Wings fuscous, flushed with blue ; 



median segment transversely 

 striated on the posterior slope 

 and on the sides of the dorsal 

 surface, smooth only in the 



middle M. rufifvons, Fabr. 



Wings fusco-hyaline ; median seg- 

 ment smooth, shaliowly punc- 

 tured on the posterior slojje . M. rufitarsis^ Cam. 



I have not seen Myzinc {Meira !) immacidatus, Can\, 

 and the description is not sufficiently good to include tl.e 

 species in the key. 



^ ^ . Males. 



1. Neuration beyond the stigma obso- 



lete, only one cubital cell . . . M. stigma, Turn. 

 Neuration continued beyond the 



stigma, three cubital cells . . 2. 



2. Cubital and discoidal nervures of 



forewing not continued beyond 



the cells 3, 



Cubital and discoidal nervures of 



