10. Derosphaerus rotundicollis (Castelnau) .

Upis rotundicollis Castelnau, Hist. Nat. 2: 213, 1840.

Derosphaerus rotundicollis (Castelnau) Gebien, Coleopt. Catalog. (28): 449, 1911; Nova Guinea 13 (3): 305, 1920.

Ritidian Pt., April 15, on Hernandia blossoms, Bryan ; Mt. Alifan, May 26, in rotten log, Swezey; Piti, June 12, at light, Swezey; Machanao, June 30, under bark of Elaeocarpus joga log, Swezey; Libugon Farm, Nov. 10, under bark of dead orange tree, Swezey. Seven specimens, found at widely distributed places.

Described from the Philippines, also recorded from Formosa and Saipan, Marianas Islands.