593 



a single row of large punctures ; the basal puncture in each row larger 

 than the others, and in the male all the punctures in the basal half of 

 the lateral rows are very much larger than those on the disk, but this is 

 much less marked in the female; the dorsal intervals with single rows of 

 very minute distinct jiunetures. L((isi with sjiarse short white setae; the 

 femora not toothe<l, the punctures dense and coarse on the apical half, 

 l)ut forming rcguhtr rows towards the base. Length, 2.8 mm.; breadth, 

 1.2 mm. 



Mabitat. — Tutiiila Island: Three males and one female, 760- 

 12C0 feet, I\' and "\I, I'H.S (Dr. H. C Kellcys). 



Type in the ilritish Musenm ; cot^-pes in the collection of 

 the Hawaiian Sngar IManters' Experiment Station. 



Trigonopterus samoanus (Heller). 



Idoiasia saiiioana Heller, Denks. K. Akad. W'iss. Wien, 

 LXXXIX, 696. 1913. 



Habitat. — Ui)oln Island ; under bark of a dead tree, 1905 

 fDr. Rechiiigerj : Tutuila Island: Eight males, 900-1200 feet, 

 \"T-\'II, 1918 (Dr. //. C. Kellers). 



Trigonof terus aeneoniveus Frm. 



Trij/oiiopteriis aenconk'eus Eairmairc, Lc Xaturaliste, 1879, 

 p. 3: Ann. Soc. Ent. h^-ance, 1881, p. 315. 



Habitat. — Samoan Islands. ( Unknown to the writer. ) 



Trigcnopterus cribrellicollis I'l"'- 



Trii:;o)iopferiis cribrellicollis Eairmaire, Ann. Soc. Ent. 

 Erance, 1881, p. 316. 



Habitat. — Samoan Islands. 



The description suggests that this possibly is not a true 

 Trii^onopterits. 



Orcchles's nigrofasciata sp. n. 



Female. Color recldisli brown, di-iiscly clothed nbove with light brown 

 seabng variegated witli whitisli iiiid bhickish scales; the head with the 

 scaling pale brown, ratliei' darker on the forehead, and witli a short 

 median whit'sh stripe on tlie \ertex; the jironotum with a very irregular 

 and indefinite whitisli niediMii strijie. and a small blackish ]iatch on each 

 side of it at tlie base; the elytra with a few wlntisli scah's round the 

 scutellum, a small well-defined oblong winte pat(di on inter\al 4 at one- 

 third from base, a narrow obiiijue blackish band running from near the 



