Technology

Think you can’t compost styrofoam? Mealworms are the answer!

The mealworms are able to do this due to their gut bacteria (Exiguobacterium sp. strain YT2) that actually breaks down the polystyrene. The Stanford study uses a common mealworm (the larvae of Tenebrio molitor Linnaeus) – we are using this same mealworm, but in addition to that we are also using what’s known as a “superworm” (the larvae of Zophobas morio), a type of darkling beetle, that has a lifespan of 3 to 15 years.

The superworm seems to be more aggressive, larger, more sturdy, and eats a lot more material. It also has the ability to live for up to a year in the larval stage just by keeping them all in constant contact of each other’s bodies. The other mealworm has a very short cycle.

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