PDF Files NOTE! Tese may be in various languages, utilize a translator if necessary, the wealth of knowledge in some articles is incredible, and it is well worth the effort to translate. Also, please put a small title describing what the paper is about. Chrysina costata reproduction http://redalyc.uaemex.mx/redalyc/pdf/575/57515502013.pdf Description of some Chrysina species, and description of some Chrysina females. http://centerforsystematicentomology.org/insectamundi/0143Monzon.pdf
On Chrysina in general http://www.entsoc.org/PDF/Pubs/Periodicals/AE/AE-2007/Winter/Thomas.pdf