6Chapman RF. The Insects: Structure and Function [ M ]. Cambridge: Cambridge University Press, 1998.
7Ramsiri P. Biology of Xylotrupes gideon linnaeus, Eupatorus gracilicornis arrow and Chalcosoma atlas linneaus in upper Northern Thailand [ D ]. Thailand : Chiang Mai University, 2008 : 16-19.
8Suzuki T. The breeding of forign stag beetles and rhinoceros beetles, coloured plates[ M ]. Tokyo: Sekaibunkasha press, 2005 : 1-255.
9Grebennikov VV, Scholtz CE. The basal phylogeny of Scarabaeoidea (Insecta: Coleoptera ) inferred from larval morphology [J].Invertebrate Systematics, 2004, 18 ( 3 ) : 321-348.
