FAM. MEMBRACID.E 



i85 



Type niger Stil. 



Geogpaphical dlstribHtion : A Central and South American genus with three species distrib- 

 uted as follows : 



I. inconspicuous Buckton, Mon. Memb. 255 (igoS). — Pl. 10, fig. I 47. British Guiana, Canal Zone. 

 3. niger Stal, Bid. Memb. Kan. 293. i (1869). Colombia, Panama, Costa 



Rica, British Guiana. 



/erruginosus Stal, Bid. Memb. Kan. 293. 2 (1869). 

 3. rectospina Lethierry, Ann. Soc. Ent. France i55 (1890). 



Venezuela. 



171. GENUS CAMPYLOCENTRUS STAL 



Campylocentpus Stal, Bid. Memb. Kan. 289 (1869). 

 Gnamptooentpus Fowler, B. C. A. II : i5i (1896). 

 Sphaerocontrus Fowler, B. C. A. II : iS^ (1896). 



ChapactePS ; Robust heavy-bodied insects characterized particularly by the fact that the long 

 posterior process has an inferior median lobe. Head subquadrate, wider than high ; base slightly 

 arcuate and weakly sinuate; eyes globular ; oceUi large, prominent, farther from each other than from 

 the eyes and situated above a line drawn through centers of eyes; inferior margins of gense sloping and 

 sinuate; clypeus extending for half its length below inferior margins of gense, tip rounded. Pronotum 

 convex with strong suprahumeral horns; metopidium vertical, about as broad ashigh; median carina 

 percurrent; humeral angles strong, triangular, blunt; suprahumeral horns as long as the distance 

 between their bases, extending outward and upward, triquerate, tips sharp ; posterior process long 

 tectiform, with a strong inferior median lobe which touches the scutellum, tip sharp and extending well 

 beyond the internal angles of the tegmina; scutellum entirely exposed, subtriangular, base swollen and 

 tomentose, tip notched. Tegmina translucent; base narrowly coriaceous and punctate; tip rounded; 

 five apical and two discoidal cells; exterior discoidal cell sessile with base truncate; apical Hmbus broad. 

 Legs simple, femora cylindrical, tarsi triquerate ; hind tarsi much longer than the others. 



Type obscuripennis Stal. 



Geogpaphical distpibution : A genus which has its center of distribution in Central America 

 with a few species extending into South America and into Mexico. 



1. aculeolus Fairmaire, Rev. Memb. 5i2. 8 (1846). Surinam. 



2. brevicoinis Fowler, B. C. A. II : i5i. 6 (1896). Guatemala, Panama. 



3. brunneus Fowler, B. C. A. II : i5i. 7 (1896). Mexico. 



4. cavipennis Fowler, B. C. A. II : i53. 2 (i%g6). Guatemala, Panama. 



5. costalis Walker, List Honi. B. M. 6i5. 44 (i85i). Colombia. 



6. curvideus Fairmaire, Rev. Memb. 5i5. 18 (1846). Mexico, Guatemala. 



7. gibbocornis Walker, Ins. Saund. 76 (i858). Brazil. Mexico. 



8. Aawtj/fy Fairmaire, Rev. Memb. 5i2. 10 (i856). Mexico, Guatemala, Panama, 



niveiplaga Walker, List Hom. B. M. Suppl. 160 (i858). Yucatan. 



g. nigris Funkhouser, Journ. N.Y. Ent. Soc. XXXVIII : 4. 410(1930). Costa Rica. 

 — Pl. 10, fig. 148. 



10. obscuripennis Stal, Bid. Memb. Kan. 289. i (i86g). Mexico. 



11. pusillus Fairmaire, Rev. Memb. 5i2. 11 (1896). Mexico. 



12. sinuatiis Fowler, B. C. A. II : i52. i (i8g6), Mexico, Guatemala, Panama, 



Yucatan. 



