Cl. Li et Ps. Yang, THE ANNAMENSIS SPECIES GROUP OF POLYPHYLLA HARRIS, WITH DESCRIPTION OF A NEW SPECIES FROM TAIWAN (COLEOPTERA, SCARABAEOIDEA, MELOLONTHIDAE), The Coleopterists bulletin, 51(2), 1997, pp. 113-119
The annamensis species group of the genus Polyphylla Harris is redefin
ed; it includes two east Asian species, P. dahnshuensis new species, f
rom Taiwan, and P. annamensis Fleutiaux. Both species are described, i
llustrated and compared. The female of P. dahnshuensis is described fo
r the first time. A hypothesis on the divergence of the annamensis spe
cies group is presented.