This articlte usese different crop residues (such as rice stalks, corn stalks, and rice husks) to feed mealworm to see if they are viable feedstocks. It then expores frass as a fertiliser and microbial changes.
Frass: Lingocellulosic Crop Waste
Full article
https://www.sciencedirect.com/science/article/pii/S0959652621034867
Reference
(He, et al. 2021)
He, L., Zhang, Y., Ding, M.-Q., Li, M.-X., Ding, J., Bai, S.-W., Wu, Q.-L., Zhao, L., Cao, G.-L., Ren, N.-Q., & Yang, S.-S. (2021). Sustainable strategy for lignocellulosic crop wastes reduction by Tenebrio molitor Linnaeus (mealworm) and potential use of mealworm frass as a fertilizer. Journal of Cleaner Production, 325, 129301-. https://doi.org/10.1016/j.jclepro.2021.129301
This article is open source, so hopefully I haven't made any IP infringements.
