Stag beetle breeding logs

I mean like the Japanese stag beetle and the shiny Australian one. Any methods on making them?

 
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Japan has a lot of stag beetles..Prosopocoilus? Dorcus?

Prosopocoilus has a chance if you squeeze your substrate tightly. I personally don't know any Japanese Dorcus that doesn't need a log to breed.

As for Phalacrognathus muelleri, I have always used a log to breed. However, the trick for this species is to use substrate that is grinded very finely (very tiny particles). Give it a try, maybe you don't need a log at all!

 
i try with kinshi at bottom for prosopocoilus once it only lay 3 egg and also bottle pack with kinshi but my friend said the bottle to small maybe you should try with bigger bottle such as 1L bottle.

 
A dichotoma is not picky about food compared to many species. and they do very well in high-decayed wood flakes. High-decayed wood flakes are the ones that was fermented multiple times until its dark brow/black.

For Japanese Dorcus (hopei binodulosus), I use woodf lakes that's fermented 2~3 times. If you use high-decayed wood flakes for them they will most likely be very small or die.

Prosopocoilus can eat things that are more decayed, so you can potentially feed them what you feed A dichotoma. I personally mix half and half (decayed wood flake and high decayed wood flake)

 
You can ferment substrate over and over again by adding flour, wheat bran, or whatever simple carbohydrate source you use and yeast again. Each time you do this, you add add more nutrients and promote the breakdown of the cellulose in the substrate further.

 
Ah I got you. So then does the tutorial video cover this? I mean it either could mean that I leave it longer for a dichotoma or let it ferment a short time for stags.

 
It isn't a matter of how long you let it ferment. Simply leaving it longer does not mean it ferments longer. Trying to use substrate before fermentation is complete will end badly.

You have to add more of your nutrient source and some yeast to get fermentation to start again after the initial round of fermentation is complete.

 
How long would fermenting take for the initial round (stags) and then for allomyrina dichotoma? Is it possible to make two smaller batches, one of them is for the stags and another for the beetles? Any instructions on making kinshi bottles?

 
There's no set duration for fermentation and everyone seems to experience different timing due to individual environmental variables. I personally have had to wait a minimum of one month to a maximum of four months per round of fermentation--ambient temperatures seem to have a great effect for me and everything slows down severely in the winter months. I've also found that fermentation takes longest initially since you're setting up raw substrate and waiting for the right microbes to settle in after the yeast prepares it for colonization. Subsequent rounds of fermentation usually complete more quickly because there's already a high level of existing microbes.

There should be a good number of posts on both kinshi and fermentation and a quick search should provide you with plenty of information and at least a few how-to videos.

 
you can just ferment a big bag. after the heat is completely gone, stir it a little and let it sit for 1 more week to make sure it wont heat up again.

then separate some out for stags, and continue to ferment the rest (add yeast and flour).

 
"Japanese" Prosopocoilus or many Prosopocoilus will lay eggs in soil. From my experience, Prosopocoilus lay more in soil then kinshi. I personally never used Kinshi log or decay log in any of Prosopocoilus egg laying setups. The soil just needs to be fermented very well / decayed almost to a black color.

About 6 inches of bottom soil in the breeding container must be pressed very hard and tight, and about 3 inches of top soil moderately packed.

Mixing an old soil used for growing larval increase the chance of more eggs. Just a theory, but it seems the adult feels safe to lay eggs with the larval soil.

 
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