84 TEANSACTIONS OF THE [1890 



middle coxae. Thorax campanulate, contracted next the head, 

 and with a convex elevation behind the collum, posterior por- 

 tion of the hind lobe depressed, with the posterior margin a 

 little siniiated ; legs long and slender, the posterior femora 

 almost cylindrical, scarcely compressed. Hemelytra coriaceous 

 throughout, either as long, or nearly as long as the abdomen in 

 the undeveloped specimens, cuneus not defined, convexly 

 embracing the venter, the apex bluntly rounded. Venter con- 

 vex, wider behind, with the genital segment short and obtuse, 

 venter narrower and more cylindrical in the male. Scutellum 

 large, exposed at base, transversely impressed. Macropterous 

 form having the membrane thick, long ; the cuneus long, almost 

 ligulate, curved on the outer margin towards the tip, the tip 

 emarginated, cell very large and long, reaching nearly to the 

 tip of the cuneus. 



1. M. insignis. New sp. 



Subcylindrical, broader and a little flatter behind, black, 

 polished, not distinctly pubescent, legs and antennae fulvous, 

 but with the basal joint of the latter yellow, but infuscated on 

 its proximal end, and face impunctate, the tylus thick, promi- 

 nent, convex. Rostrum fulvo-testaceous, tipped with black, 

 the basal joint a little thicker than the following ones, shorter 

 than the head, third joint much longer than either of the others. 

 Pronotum with a wide, transversely striated depressed collum, 

 behind this the surface is bilobately convex, and the convexity 

 bounded behind by an impressed triangular line, the posterior 

 lobe slightly convex, somewhat transversely striated near the 

 more elevated humeral angles. Coxae and trochanters bright 

 yellow, the tarsi and nails a little infuscated ; anterior legs 

 widely separated from the middle ones, the hind legs very long ; 

 basal joint of tarsi much stouter than and as long as the two 

 others united. Hemelytra blackish with a large triangular 

 yellow spot at base, and a pale exterior margin on the apical 

 fourth. 



Length to tip of abdomen, 5 millims. Width of base of pro- 

 notum, 1 millim. 



