248 BLACKBURN AND SHARP—On Hawatian Coleoptera. 
Tribe Drarerini. 
Genus CXI.—Platydema. Mun. Cat. vu. p. 1950. 
308. Platydema obscurum, Shp., ante, p. 166. 
Ins. Oahu. (?) inn. 
At various elevations, and in various localities ; generally under stones. 
Tribe Unomint. 
Genus CXII.—G@nathocerus. Mun. Cat. vi. p. 1957. 
309. Trogosita cornuta, Fab. Ent. Syst. Supp. p. 51. 
Ins. Oahu. Int. Widely distributed. 
Common in Honolulu, in flour, &e. 
Genus CXILI.—Tribolium. Mun. Cat. vir. p. 1958. 
310. Tenebrio ferrugineus, Fab. Sp. Ins. 1. p. 324.] 
Ins. Oahu. Int. Widely distributed. 
Common in Honolulu, in flour, &c. 
Genus CXIV.—Alphitobius. Mun. Cat. vi. p. 1962. 
311. Tenebrio diaperinus, Panz. Ins. Germ. 37, 16. 
Ins. Maui, Oahu. (?) Hawaii, (?) Lanai, Kauai. Int. Widely distributed, 
Also probably other islands. Frequently found in flour, &c. ; also under stones. 
312. Helops piceus, Ol. Ent. mt. 58, p. 17. Syn. Heterophaga mauri- 
tanica, Fam. Rev. Zool. 1849, p. 446. 
Ins. Kauai, Oahu, Lanai. (?) Hawaii, (?) Maui. Int. Widely distributed. 
Doubtless occurs on the other islands. Plentiful in all kinds of produce ; also under stones. 
Genus CXV.—Sciophagus. Shp., ante, p. 167. 
313. Heterophaga pandanicola (Esch.) Fairm. Rev. Zool. 1849, p. 446. 
Ins. Oahu, Kauai. (?) Hawaii, (?) Maui, (?) Lanai. Int. Polynesia. 
Also probably other islands; generally found under bark or in decaying wood, especially of the 
pandanus. Also found under stones. Has not occurred much above sea leyel. 
Fam. CISTELIDA. 
Genus CXVI.—Labetis. Waterh. Ent. Mo. Mag. xv. p. 267. 
314. Labetis tibialis, Waterh. 1. c. et anée, p. 167. 
Ins. Oahu. (?) Imm. 
A single pair occurred on the mountains of Oahu, at an elevation of about 1500 feet, in localities 
twenty miles apart. They were obtained by beating branches of trees. 
