36 NOTES ON JAMAICAN HEMIPTERA 



Subfamily Derbinae 



Lamenia Uhleri Ball. 



I took three specimens of what I am sure is this species at 

 Balaclava, April 4th, and another in an abandoned banana field 

 near Constant Spring Hotel at Kingston. These differ from 

 two of Prof. Ball's types of this species now in my collection in 

 being a shade darker, in having the edges of the facial carinas 

 slenderly brown, and in wanting the round fuscous spot at the 

 apex of the costal area. They agree with these types in having 

 the marginal nervure around the apex of the elytra very 

 slenderly bright sanguineous ; a feature not mentioned by Prof. 

 Ball, and in the form of the male genitalia. 



Lamenia flavida n sp. 



A little larger than the preceding species. Fulvous yellow, paler 

 beneath; elytra milky white with a fuscous cloud about the apical margin 

 becoming darker on the stigma, and broken just beyond the apex of the 

 clavus, along the commissural margin of which it is extended to the base. 

 Wings white. Tergum at base, eyes and tips of the tarsal spines black. 

 Plates of the male long, ligulate, widest just beyond the middle, then nar- 

 rowed to an acute apex. 



Vertex short and broad, scarcely advanced before the eyes ; front 

 parallel above, abruptly widened below to the base of the broad clypeus. 

 Length to tip of the closed elytra \%. mm. 



Described from four examples taken at Mandeville. In one 

 individual the base of the front and expanded sides of the pro- 

 notum exterior to the eyes are infuscated. 



This must be closely related to Cenchrea Heidemanni Ball 

 and dorsalis Westw. but it seems to be smaller with a differ- 

 ently shaped vertex and front, and maculated elytra. I confess 

 I am utterly unable to distinguish between the genera Cenchrea 

 Westwood and Lamenia Stal. Unfortunately I do not possess 

 Westwood's C. dorsalis for a direct comparison of these genera. 



Subfamily Issinas 



No representative of this subfamily was taken by me in 

 Jamaica. 



Subfamily Ricaniinae 



Colpoptera rugosa n. sp. 



Closely allied to sinuata Burm. but a little smaller and more slender 

 with a distinctly longer and narrower vertex. Vertex almost rectangular, 

 projecting for about one third its length before the eyes, the posterior margin 



