Stratiolaelaps scimitus (Hypoaspsis miles)Done With Fungus Gnats? Sick of Snake Mites? This Fixes Both. Sticky traps and surface sprays wont stop whats happening under the surface. Stratiolaelaps scimitus is a soil dwelling predatory mite that hunts pests where they livenot where you wish they were. It targets the larval stages of fungus gnats, thrips pupae, and root aphids in soil and substrate, and its one of the few biological predators proven to work against snake mites in reptile