Help with an ID

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Loops117
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PostLoops117 on 2/27/2017, 1:12 pm

Hey guys. Caught what i thought were Darkling beetles while in the Desert. Any clue of what they are? Roughly 8mm in length.

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PostT.C. on 2/27/2017, 2:19 pm

It has a body like a "Black Vine Weevil", but the head isn't right for that and the back has the wrong texture? Find these guys in Arizona?
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PostLoops117 on 2/27/2017, 2:47 pm

Yeah, found them in arizona.

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Postmothman27 on 2/27/2017, 3:57 pm

I agree darklings of some sort, not weevils.

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PostT.C. on 2/27/2017, 4:43 pm

Yeah, it's not weevils. Originally I thought darkling beetles, the legs seem odd for that though. However at the same time, really I can't think of nothing else.
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PostLoops117 on 2/27/2017, 8:05 pm

So would these guys be safe to put with my blue death feigning beetles?

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PostSalmon on 2/28/2017, 9:32 pm

Probably, they look like tenebrionids to me. Even if they were something predatory they wouldn't pose a thread to something so large and heavily armored.
(You know what would be cool and probably feasible? A large naturalistic setup with ironclads and other hard shelled beetles coexisting with small predators like tiger beetles or ground mantises.)

A lot of darkling larvae are opportunistically omnivorous or cannibalistic though, and if you intend to breed the death feigners I wouldn't trust those little guys not to establish a colony in the tank and outcompete or eat the death feigner larvae.
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PostHisserdude on 3/1/2017, 2:46 pm

This is one of the snaller darkling beetle genera that's been on my wishlist for a while, these guys are in the genus Triorophus, see Here.

You could put them in with your BDFBs,I'm not sure how readily these guys reproduce in captivity, so chances are you won't have to worry about the larvae of the two species bothering each other. Plus, since these guys are so small compared to the BDFBs, I highly doubt they will bother them.
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PostLoops117 on 3/1/2017, 3:18 pm

@Salmon wrote:Probably, they look like tenebrionids to me. Even if they were something predatory they wouldn't pose a thread to something so large and heavily armored.
(You know what would be cool and probably feasible? A large naturalistic setup with ironclads and other hard shelled beetles coexisting with small predators like tiger beetles or ground mantises.)

A lot of darkling larvae are opportunistically omnivorous or cannibalistic though, and if you intend to breed the death feigners I wouldn't trust those little guys not to establish a colony in the tank and outcompete or eat the death feigner larvae.
This is something i've been contemplating doing with my ghost mantids. Want to do a large communal setup with them. Was planning on building an ant nest and secluded outworld that would be ghosted into the actual tank. It would look like they're in the setup, but really they're completely secluded.

@Hisserdude wrote:This is one of the snaller darkling beetle genera that's been on my wishlist for a while, these guys are in the genus Triorophus, see Here.

You could put them in with your BDFBs,I'm not sure how readily these guys reproduce in captivity, so chances are you won't have to worry about the larvae of the two species bothering each other. Plus, since these guys are so small compared to the BDFBs, I highly doubt they will bother them.
I wasn't too concerned about the larvae. I read that the DFBs were hard to breed in captivity and wasn't planning on giving them breeding conditions regardless unless it works out.

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