The leaf tissue, located in between the layers of epidermis, that carries on photosynthesis, consisting of the palisade layer and the spongy parenchyma. (Undersander, Dan. (2019). Forage Plant Structure, Function, Nutrition, and Growth. 10.1016/B978-0-12-812919-7.00001-9.)
Mesostigmata is a large, cosmopolitan order of mites found in soil, litter, rotting wood, compost, dung, carrion, nests, house dust, and similar detritus-based niches. They also live in association with plants and fungi. (Joharchi, Omid & Döker, İsmail & Khaustov, Vladimir. (2023). A new species and a new record of Leioseius Berlese (Acari: Mesostigmata: Ascidae) from Russia, with a review of the Russian species of the genus. Acarologia. 63. 1139-1153. 10.24349/fpby-by6k.)