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A couple of nice Dynastes tityus males that I had emerge today - huge size, and with great horn development; some of the best examples of this species that I've ever produced.  They took around 14 months to go from eggs to adult emergence - 

tityus_01.jpg

tityus_02.jpg

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I think I might have missed the record by less than 2 mm.  I've seen a super-exceptional 70.75 mm tityus, but don't know if this species is able to exceed that.  In any case, anything between 65-70 mm can be considered an exceptional size for tityus.  Over the years, I've produced many 60-65 mm specimens, but the 66-69 mm range have been considerably fewer in number.  This seems to be the way it is with a lot of beetle species; there's an "average" maximum size, and then anything beyond that only constitutes a quite small percentage of a population.  This happens both in the wild and in captive rearing.

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11 hours ago, Fire Moth said:

According to this site 

http://discoverybeetles.com/日本be-kuwa-guiness-record-兜蟲2019/

美東白兜 69.5 佐原和宏 2015

There is a photo in For the Love of Rhinoceros and Stag Beetles (3rd edition) on p. 150 of a 70.75 mm tityus male (reared by a hobbyist in Taiwan).

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On 4/27/2021 at 6:17 PM, Goliathus said:

A couple of nice Dynastes tityus males that I had emerge today - huge size, and with great horn development; some of the best examples of this species that I've ever produced.  They took around 14 months to go from eggs to adult emergence - 

tityus_01.jpg

tityus_02.jpg

Are those your stock?

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