Phalacrognathus muelleri life span?

Acro

Cerambycidae
I just read that Phalacrognathus muelleri has an adult life span of 2 years!

Is that true?

 
According to many sources, this beetle can live from ten to eighteen months. Still, that's quite a long time for a stag beetle.

 
yes it's true. which is why these are one of my favorites.

Dorcus species can also live up to 2 years.

 
no, dorcus species(adults) can live up to 2-3 years if taken good care.

My dorcus hopei lived 20 months now and still going.

 
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