Perfect for adult beetles and larvae. Petio Growth Mat, 1.6 gal (5 L) Target Beetles and Beetles Features: This mat contains plenty of nutrients necessary for larvae. Rich in nutritional mushroom mushroom bacteria and hard-leaf wood fermentation are fully ripened. Mainly suitable for breeding beetles and larvae. Capacity: Approx. 1.8 gal (5 L); How to Use: Before use, lightly squeeze the mat and dampen it with water until it hardens. When breeded in a pair of male and female, the female will produce white eggs of 0.08 to 0.12 inches (2 to 3 mm) in the mat by around August, and it will become larvae in 2 to 3 weeks. Larvae grows by eating many mats and dead trees. If the round droppings become noticeable on the surface of the mat, replace them with a new mat. Please hydrate the mat so that it does not dry out.