202 The Ohio Naturalist. [Vol. V,No. 1, 



Head large, ocelli elevated, a little nearer the eyes than 

 to each other. Antennae, first joint rather thick extending 

 about half the length beyond the apex of the head, second 

 joint long, slender, longer than third, third enlarging at 

 tip, fourth about as long as third, a little thicker. Pro- 

 notum deeply constricted, the anterior lobe but little 

 longer than posterior ; a rather broad granulate collar, two 

 conspicuous conical tubercles about as far apart as the 

 eyes and situated within naked, impunctate areas ; a 

 median stripe and lateral lines scantily clothed with 

 minute golden hair, posterior lobe distinctly punctate, the 

 lateral margins orange and two slightly divergent rather 

 diffuse orange stripes on the disk. Scutellum with fine 

 golden hair, apex ochreous. Elytra brown, the clavus 

 nearly black, margined to beyond its middle with ochreous. 

 Corium with a blackish diffused spot towards the base, a 

 black band across the centre extending forward in an 

 angle. Apex black, the extreme base, a line next to claval 

 suture and most of costa yellowish. Membrane fuscous 

 with subhy aline, large spots next to corium at its apex 

 and on the middle of the apical line. Beneath black, the 

 disk of the abdomen slightly reddish, border of fourth seg- 

 ment yellowish, middle portion of the margin light yellow. 

 Legs yellow, the anterior femora and tibiae and outer por- 

 tion of the femora and tibiae of the intermediate and hind 

 legs suffused with fuscous, anterior tibiae distinctly enlarged 

 at apex. One specimen from Bartica, Br. Guiana collect- 

 ed April IS. It is at once distinguished from any of 

 the other members of the genus by the peculiar nipple-like 

 tubercles on the anterior lobe of pro-thorax. 



Erlacda arhapheoides Sign. Quillota Chili, J. C. Hambleton. 

 Has ocelli small but well developed. Signoret says, "No 

 ocelli" ("Pas d'ocelles") but in other respects, both gen- 

 eric and specific description agrees perfectly. 



Petizius assimilandus Dist. Bartica, Br. Guiana. May, 1901. 

 Distant described the species from Guatemala. 



Gonatas divergens Dist. Two specimens from Bartica, Br. Gui- 

 ana, agree so closely with this species that I refer them 

 here though previous records place it in Guatemala and 

 Panama only. 



PYRRHOCORID.«. 



Dysdercus ruficoUis L. Coroica Yungas Bolivia. April. 



C.\PSID^. 



Lygus cuneatus Dist. Bartica, Br. Guiana. Two specimens. In 

 these the apices of femora and tibiae are touched with Ver- 

 million or rose and the cvmeus is bordered only in part 

 with ochraceous. 



