Hybochaetodus obscurus Arrow, 1909

(Fig. 8)

Hybochaetodus obscurus Arrow, 1909: 500 .

Diagnosis. Male and females of this species are distinguished from other species of Hobochaetodus by the absence of elytral carinae; the pronotal posterior angles rounded; and the pronotal posterior margin rounded (Fig. 8).

Distribution. Peru. 32 specimens examined from CNCI, FCOC, IADIZA, MUSM, UNSM, USNM, and VMDC.

PERU (32): Cuzco: Cuzco (27); Machu Pichu (2); Puerto Málaga (1); No data (2).

Temporal data. January (2), February (2), March (3), April (14), May (1), October (2), November (2).

Natural history. Specimens of H. obscurus were collected in pitfall traps baited with either rotting fish or rotting chicken. Specimens were collected at elevations between 2,900–4,200 m.