57 



spots on basal half of costa, a spot at base of first median sector, 

 and several small red marks in apical cells ; wings hyaline, opaque 

 with waxy secretions, yellow-veined. 



Length Z7 mm. ; tegmen 6 mm. 



Habitat : Amboina. 



This appears to come near to N . fcrvcns. Walker. 



M cgatropis nov. gen. 



Type coccmcoUnca. 



In profile head semicircular to oblong, gena wide or very wide 

 in front of eye. Head slightly narrower than pronotum, vertex 

 broad at base, roundly emarginate, without keel, apex truncate, 

 half the width of base, sides straight, evenly converging to apex, 

 with deep keels, beset along edge with wax pits ; face narrow, 

 parallel sided to a])ex, keels of vertex continued down sides of 

 face, the edge of the keels sometimes touch one another but are 

 not contiguous at their bases ; clypeus shorter than face, wide at 

 base and rounded, very obscurely tricarinate ; kil)ium (beyond 

 clypeus) half as long as clypeus. Antennae cylindrical, simple, 

 with a round projection, or a distinct prong, at base, distally 

 notched or slightly bilobed where arista is articulated ; pronotum 

 very narrojjk^, shallowly and widely emarginate behind, median 

 portion fitting into the emarginate vertex ; scutellum slightly 

 broader than long, lateral angles a little before middle, anteriorly 

 rounded, posteriorly angular. Tegmina about four times longer 

 than broad ; subcosta and radia forking before the middle, cubitus 

 forking about same distance from base, three median sectors in 

 apical third of tegmen, end of clavus beyond middle of tegmen. 



I separate this genus from Niccrta on the width of the head, 

 vertex and face, also on the nature of the facial keels. It may 

 represent some species of Walker's Intcmmma, but as I am 

 unable to recognize his forms I shall consider Melichar's /. riibro- 

 fasciata as the representative of that genus. Of the genus Dc- 

 ribia I only know D. (Anofia) coccinea Guer. through Cuvier's 

 Iconog. and Girard's Trait. d'Ent. 



(1) M. cocciiicoUiica sp. nov. ( <^ 9 ). 



Fig. Pis. II f. 2, III f. 14. 



Uniformly very pale yellow, eyes dark brown, a tinge of red 

 on gena in front of eye ; tegmina hyaline, opaquely white with 

 waxy secretion, a crimson line from base to apex through middle 



