HEMIPTERA OF LOWER CALIFORNIA. 249 



Resthenia circumcincta Say. Fragments of a spec- 

 imen of this species were in a bottle from Cape St. Lucas 

 secured by Mr. John Xanthus. 



Resthenia divisa H. Schf. A variety of this species, 

 from some unrecorded part of Lower California, was 

 given to me by Mr. Henry Edwards. 



Resthenia latipennis Stal. One specimen was found 

 near Cape St. Lucas by Mr. John Xanthus. 



Oncerometopus nigriclavus Rent. Specimens of this 

 insect were taken at San Jose del Cabo by Dr. Gustav 

 Eisen. It spreads through the Southern States west of 

 Texas and Arizona, and from thence into Mexico and 

 Lower California. 



LopiDEA MEDIA Say. A few specimens of this widel}" 

 distributed form were collected near Cape St. Lucas by 

 Mr. John Xanthus. 



LOPIDEA margin ATA n. Sp. 



Form rather more slender than in L. media Say. Bright 

 red, almost parallel-sided. Head narrow, with the vertex 

 short and moderately convex, black on the middle, or 

 with a double, black curved mark there. Antennae 

 black, very slender. Eyes brown, subglobose, verv 

 prominent. Costal margin of corium and cuneus pale 

 yellow. The other features and form of the pronotum 

 are the same as in L. media Say. The legs, membrane 

 and disk of corium blackish. 



Length to tip of venter, 4^—5 mm. Width of prono- 

 tum, il^'— i^ mm. 



K few specimens were collected at San Julio, in April, 

 by Mr. C. D. Haines. It inhabits also California, Ari- 

 zona, Colorado and the eastern United States. 



Possibly this may eventuall}' prove to be but a form of 



