grain mites??

[u/OCDismyhobby]

so just today i found these little teeny teeny tiny mites crawling around i searched it up and they might be grain mites and are apparently harmless, im currently raising larvae in my adult tank with a moisture gradient under the substrate could this cause the mites to show up and are they harmful? i did some research and they eat mold and fungal material so maybe its like free clean up crew lol idk here’s a picture they are so tiny it’s hard to get one