Microserica costisquamosaMicroserica costisquamosa is a species of beetle of the family Scarabaeidae. It is found in China.DescriptionAdults reach a length of about 7.8 mm. They have a dark reddish brown, oval body. The antennal club is yellowish brown and the frons, disc of the pronotum and centre of the elytral intervals are darker with a greenish shine. The dorsal surface is dull and glabrous, except for a few white large scale-like setae on the odd intervals. The labroclypeus is shiny.EtymologyThe name of the species is derived from the combined Latin words, costa and squama, with reference to the large scales on odd elytral intervals.