Oyster mushroom mycelium block (spent substrate) - Excellent for stag beetle egg-laying! Great for supplementing nutrition for rhinoceros beetle larvae!

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Limited Sale!!

This is a listing for a set of 1 block of spent mushroom substrate from Pleurotus eryngii.

Approximately 3000cc.

Additional blocks are available for any quantity!

This is a spent substrate block made from 100% raw oak sawdust, boasting excellent nutritional value.

As shown in the image, the mycelium is firmly embedded within.

Simply bury the block as is in the substrate, and stag beetles will lay eggs!

It's easy to break apart, making it easier to extract larvae than using logs, and you can obtain a large number of larvae!

Ante (likely referring to *Dorcus antaeus*) are laying eggs prolifically!

It also enhances the nutrition for rhinoceros beetle larvae.

When raising rhinoceros beetle larvae, you'll notice a significant increase in size simply by burying this in the substrate.

It's also excellent as food for larvae of stag beetles that prefer mushroom substrate, such as *Dorcus hopei binodulosus*, *Dorcus titanus*, rainbow stag beetles (*Phalacrognathus muelleri*), and giraffe stag beetles (*Prosopocoilus giraffa*)!

It's also suitable for creating your own original fermented substrate by breaking it apart.

*The image is of one item from our stock.
Please only purchase if you understand that some blocks may be slightly broken or have different shapes.*

This is a limited sale, so the listing will end once sold out.

We also have other items for sale, including fermented substrate that promotes large larvae, stag beetle substrate, coniferous substrate ideal for adult beetle management, perches for adult beetle breeding and display, and high-grade protein jelly. Please check my other listings.