FirFauna Posted July 22, 2021 Report Share Posted July 22, 2021 Quote Link to comment Share on other sites More sharing options...
JKim Posted July 23, 2021 Report Share Posted July 23, 2021 @FirFauna What is FS you are referring to? Fermented Substrate? Quote Link to comment Share on other sites More sharing options...
Garin Posted July 23, 2021 Report Share Posted July 23, 2021 I think he means Flake Soil. Quote Link to comment Share on other sites More sharing options...
FirFauna Posted July 23, 2021 Author Report Share Posted July 23, 2021 Flake soil Quote Link to comment Share on other sites More sharing options...
BensBeasts1 Posted July 23, 2021 Report Share Posted July 23, 2021 They eat plant roots and normal soil. Quote Link to comment Share on other sites More sharing options...
JKim Posted July 23, 2021 Report Share Posted July 23, 2021 Oh..well.. flake soil or fermented substrate... I guess I kinda got it right....lol When I reared Cotinis nitida, they grew up fine with regular substrate... It was substrate of Mesquite, btw... Quote Link to comment Share on other sites More sharing options...
Goliathus Posted July 23, 2021 Report Share Posted July 23, 2021 Yes - flake soil is fine for rearing Cotinis, but when they're ready to build pupal cells, you'll need to make the substrate at least 50% fine sand. At least, that's been my experience. Unlike species such as Gymnetis, Cotinis seems unable to build proper cells from purely organic substrate. Quote Link to comment Share on other sites More sharing options...
FirFauna Posted July 23, 2021 Author Report Share Posted July 23, 2021 @Goliathus will I need to add any supplements such as birdseed? Or can they do just fine in just flakesoil? Quote Link to comment Share on other sites More sharing options...
Goliathus Posted July 23, 2021 Report Share Posted July 23, 2021 On 7/23/2021 at 3:08 PM, FirFauna said: @Goliathus will I need to add any supplements such as birdseed? Or can they do just fine in just flakesoil? Flake soil seems to be adequate, in my experience. Quote Link to comment Share on other sites More sharing options...
Dynastes Posted July 25, 2021 Report Share Posted July 25, 2021 Cotinis larvae are full-grown in a month with supplements and might take six months on rotten wood. I am not sure if they can get as big on wood but there are many levels of wood quality and type so the answer is likely yes at least to some. They are the neatest North American cetonid to run into outdoors because they are day-active, big, and loud. Here's an old page from 35mm prints. https://www.angelfire.com/oh3/elytraandantenna/USInsects/RearingCotinistexana.html nitida Quote Link to comment Share on other sites More sharing options...
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