Head sizes of the different larval stages of several beetle species

Larvae of Phaedimus howdeni

Some of the head sizes of beetle larvae are given here. I think it will help beginners to find out in which stage their larvae are. Surplus it is interesting data in order to compare it with the sizes of one's own breeding and to see what size of imagos could be reached by the different larvae. The data is taken from larvae that moulted into normal sized imagos. The measure was taken from eye to eye. (<--->)

Species Larval stage 1 Larval stage 2 Larval stage 3
Agestrata belitungana (?) 2-3 mm 5 mm 6 mm (quite small compared to L2)
Alomyrrhina dichotoma     8(female) - 11(male) mm
Amaurodes passerini linnei   3,2 mm 7 mm
Aphelorrhina tibialis     5 mm
Bricoptis spec.     3 mm
Chalcosoma atlas     14 mm (male)
Compsocephalus dimitriewi     5,5 mm
Dicranorrhina conradsi     5 mm
Dynastes hercules septentrionalis   8 mm 14 -15 mm
Eudicella smithi shiratica 1,5 mm 3 mm  
Mecynorrhina oberthueri 4 mm    
Mecynorrhina savagei     8 mm
Mecynorrhina torquata     11 mm (small specimen)
Megasoma acteaon acteaon     17 mm
Megasoma acteaon janus   10 mm  
Megasoma elephas      17(female) -19 (male) mm
Megasoma mars     17,5 mm
Odontolabis cuvera fallaciosa     10 mm
Odontolabis gazella 2 mm 4-5 mm 10 -12 mm
Pachnoda cordata     3 mm
Pachnoda marginata peregrina     4 -5 mm
Rhomborrhina resplendens   3 mm  
Rhyssonotus nebulosus     6 mm
Stragtegus aloeus   8 mm  
Trichaulax macleayi     8 mm 
       

 

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Stand: 06. November 2007.