E. BERGROTH, NEW NEOTROPICAL MIRIDAE (HEM.). 9 



Subfam. Heterotominae. 



Cyrtotylus n. gen. — Body oblong-ovate, impunctate, 

 depressed above. Head a little sloping, seen from above a 

 little broader than long, acutely produced in front of an- 

 tennae, seen from before almost as higb as broad, from tbe side 

 somewhat longer than higb at base, vertex narrowly margined 

 behind, clypeus separated from fröns, compressed, semi- 

 circularly prominent, its base lying in tbe middle of tbe 

 head's height below tbe antennal line, lora narrow, separated 

 from tbe moderately higb genae, gula a little oblique, as long 

 as peristomium, eyes moderately large, almost toucbing 

 pronotal apical margin, seen from above suboval, from tbe 

 side obliquely reniform, antennae inserted at middle of 

 anterior ocular orbita, slender, first joint sublinear biit a 

 little tbicker near base than at apex, passing apex of clypeus 

 by more than half its length, second joint much tbe longest, 

 last two joints combined not quite so long as second and 

 still more slender, fourth slightly shorter than third, rostrum 

 reaching bind coxae, very slender, tbe somewhat thickened 

 but linear first joint a little passing anterior margin of 

 prosternum, second joint a Httle longer than first but dis- 

 tinctly shorter than third, fourth as long as first. Prono- 

 tum slightly declivous, transversally a little convex, laterally 

 broadly and shghtly sinuate and very narrowly margined, 

 twice broader than long and twice broader basally than 

 apically, calli placed very near anterior margin, confluent, 

 laterally reaching tbe margins, posteriorly not quite reaching 

 middle of disc, which bas a low and narrow median keel 

 running from posterior margin of calli to near the base, 

 basal margin in front of the exposed mesoscutum very 

 slightly sinuate. Scutellum almost equilateral. Prosternal 

 xyphus margined except at base where it is convex. Ori- 

 ficia distinct. Elytra passing apex of abdomen by the whole 

 cuneus and by the greatest part of the membrane, much broader 

 than abdomen, laterally evenly and moderately rounded, 

 the veins distinct, the somewhat reflexed, basally narrow 

 embolium slightly and gradually dilated to near apex where 

 it is roundedly much more dilated inwards, claval commis- 



