The larvae feed for several years on rotting wood, growing through three larval stages until eventually pupating inside a pupal cell constructed from surrounding wood pieces and soil particles. In the final larval stage, "L3", the surviving grubs of larger species, such as Prosopocoilus giraffa, may be the size of a human finger.
The larvae feed for several years on rotting wood growing through three larval stages until eventually pupating inside a pupal cell constructed from surrounding wood pieces and soil particles In the final larval stage "L3" the surviving grubs of larger species such as Prosopocoilus giraffa may be the size of a human finger