sy, HEMIPTERA-HETEROPTERA, 
in a third, from the collection of Dr. Signoret, the lobes are subequal in length. It can, 
however, be easily separated from B, cariosa, Stal, which is described as having “‘jugis 
tyloque eque longis,” by the length of the second joint of the antenne, which is shorter 
than the third. 
8. Brochymena obscura. (B. tenebrosa, Tab. VI. fig. 5.) 
Halys obscura, Herrich-Schaffer, Wanz. Ins. v. p. 68, f. 513° ; vii. p. 59. 
Brochymena obscura, Stal, En. Hem. ii. p. 16. 42; Ubler, Bull. U.S. Geol. & Geog. Surv. ii. 
p. 283. 3°; Wheeler’s Rep. Geogr. Expl. 1875, v. Zool. p. 829°. 
Brochymena tenebrosa, Walk. Cat. Het. i. p. 281. 7°. 
Hab. Norta America, California?4, Arizona *.—Muexico! (Mus. Berol.), Oaxaca ?°. 
The specimen figured is the B. tenebrosa, Walk., in the collection of the British 
Museum, a bright-coloured variety of this species. 
4, Brochymena arborea. 
Pentatoma arborea, Say, Journ. Ac. Phil. iv. p. 311. 1; Compl. Writ. i. p. 239. 1. 
Halys erosa, H.-S. Wanz. Ins. v. p. 70, f. 515; vii. p. 56°. 
Brochymena arborea, Dall. List Hem. i. p. 188. 17; Stal, En. Hem. ii. p. 17. 6°; Uhler, Bull. U.S. 
Geol. & Geog. Surv. ii. p. 283. 4°; Proc. Bost. Soc. Nat. Hist. xix. p. 872°; Town. Glover, 
Ills. Ins. Hem. p. 27, pl. 11. f. 26°. 
Hab. N. America}, St. John’s Bluff?, Massachusetts®, Texas?*, “ East. reg. U.S., 
from Maine to Florida”4, New Mexico 4.—MExico 24. 
Mr. Glover writes of this species*:—‘ Ins. found on trees in Maryland, and not 
uncommon.” “Tives on trees in the city of Baltimore, and was active as late | as 
December 10 of 1874, in the streets on door-steps (P. R. U.).” 
5. Brochymena hedula. (Tab. V. fig. 7.) 
Brochymena hedula, Stal, Stett. ent. Zeit. xxiii. p. 99.577; En. Hem. ii. p. 17. 7”. 
Hab. Mexico 1, Oaxaca?; Guatemata, San Gerénimo, Vera Paz (Champion). 
The specimen figured is from Mexico, in the collection of Dr. Signoret. Specimens of 
this species vary much in colour, as obtains in B. obscura, previously enumerated. 
COSMOPEPLA. 
Cosmopepla, Stal, Ofv. Vet.-Ak. Férh. 1867, p. 525. 
In this genus the lobes of the head are of equal length, the scutellum broad and 
rounded at the apex, the lateral angles of the pronotum are rounded or subprominent, 
and the nervures of the membrane are longitudinal and simple. The species are found 
both in the Nearctic and Neotropical Regions; four only are at present recorded, of 
which two are here included. 
