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Cannibalistic dynastes tityus


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On 2/1/2022 at 10:40 PM, Jimmy said:

I had an adult kill and eat one of my larva

Flower beetle adult females suck up their larvae like offspring lawn mowers, but never saw that with tityus. Was it a female adult and what instar was the larva?

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On 2/2/2022 at 1:01 PM, Jimmy said:

It was an adult male dynastes tityus. I found him eating one of his L3 siblings that was in a artificial pupal chamber about to pupate.

I would bet your male just dug in there and tore the pre-pupa apart with his legs trying to find a place to rest, smashing it rather than eating it. If the male was newly emerged it wouldn't eat anything, especially not something it normally never eats.

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