How To Grow Mealworms
If condensation occurs drill even more holes or cover the container with a screen.
How to grow mealworms. Mealworms thrive in temperatures of approximately 77-80 degrees F and 65-70 humidity. The second stage of life lasts about eight to ten weeks and is spent as a brown larva. When first hatched it is quite small but will grow to one to one and a half inches long.
We use a brand called Diacon II to spray on the beds of our giants. They can grow at any temperature between room temperature and 80F. Raising Your Own Mealworms 1.
Mealworms cannot climb more than a couple inches above the top of their substrate. Once you have a large supply of mealworms the dirty substrate can be filtered out and the mealworms can be saved to put in the clean substrate. Put the lid on top of the bin.
Ensure you have a container that has room for bedding a couple inches to prevent climbing and a little extra space for worms that might pile up on top of the substrate. Slice up an apple a carrot or a potato and place the slices on top of the substrate to provide moisture for the mealworms. You can feed them as much as you like remember.
If you have too many mealworms simply place the whole container in the fridge to temporarily stop their development and simply rewarm it to room temperature when you need them to continue to. Mealworms feed on the grain deriving necessary nutrients for growth. If you want a hands-off approach just make sure you feed them every couple of weeks to maintain the feed depth of around 3.
Also they love to dig around and bury themselves inside too. Harvest your mealworms with caution. I have become tired of seeing mealworm sellers state that they dont use chemicals on their mealworms to get them to become giants.