Ellychnia corrusca Care

So, I caught three of these beetles today. I have no idea how I should raise them. What should the temperature, food, and substrate be? Are they easy to breed?

 
They probably need a nectar substitute to feed on in captivity, sugar water or something like that, and probably like high humidity with good ventilation. They adults are definitely hard to keep and harder to breed, the larvae are somewhat easy to keep and rear on a diet of earthworms or other soft-bodied prey, and they can be kept communally, I've watched them share prey before.
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The larvae and pupae have tiny luminescent spots at the end of their abdomens, the adults don't glow at all though.

 
They probably need a nectar substitute to feed on in captivity, sugar water or something like that, and probably like high humidity with good ventilation. They adults are definitely hard to keep and harder to breed, the larvae are somewhat easy to keep and rear on a diet of earthworms or other soft-bodied prey, and they can be kept communally, I've watched them share prey before.
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The larvae and pupae have tiny luminescent spots at the end of their abdomens, the adults don't glow at all though.
Thanks! Can both larvae and beetles be kept together?

 
I'd wait until the eggs hatch, lay some bark flat on the substrate, and collect any larva that you can find under said bark slabs, pretty sure they will congregate under the bark.

BTW, I think the adults lay eggs in cracks on bark, so you'll definitely want to provide some of that if you want them to breed.

 
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