Discheramocephalus semisulcatus is a species of feather-winged beetle, the smallest beetles on earth.Johnson, Colin. 2007: Studies on Ptiliidae (Col.) from the Solomon Islands, 1. Entomol. Mon. Mag. 143: 213-226
References
Further reading Grebennikov, Vasily V. "Discheramocephalini, a new pantropical tribe of featherwing beetles (Coleoptera: Ptiliidae): description of new taxa and phylogenetic analysis." Systematic Entomology 34.1 (2009): 113–136.