I came across these information packed sites recently and wanted to share. Enjoy!
http://www.naturalworlds.org/scarabaeidae/manual/Scarabaeidae_breeding_1.htm
http://www.naturalworlds.org/scarabaeidae/manual/hercules/Dynastes_hercules_breeding_1.htm
http://www.naturalworlds.org/goliathus/manual/Goliathus_breeding_1.htm
http://www.mars.dti.ne.jp/~k-sugano/bakamono_web/kabuto/english.htm
https://www.earthlife.net/insects/megasoma.html
https://www.earthlife.net/insects/gb-care.html
http://www.uky.edu/Ag/CritterFiles/casefile/insects/beetles/hercules/rearing/rearing.htm
http://www.naturalworlds.org/scarabaeidae/manual/Scarabaeidae_breeding_1.htm
http://www.naturalworlds.org/scarabaeidae/manual/hercules/Dynastes_hercules_breeding_1.htm
http://www.naturalworlds.org/goliathus/manual/Goliathus_breeding_1.htm
http://www.mars.dti.ne.jp/~k-sugano/bakamono_web/kabuto/english.htm
https://www.earthlife.net/insects/megasoma.html
https://www.earthlife.net/insects/gb-care.html
http://www.uky.edu/Ag/CritterFiles/casefile/insects/beetles/hercules/rearing/rearing.htm