ˈleptəs noun
Etymology: New Latin, from Greek leptos small, thin — more at lept-
1. plural leptuses -təsə̇z also lep·ti -ˌtī, -(ˌ)tē often capitalized : any of several 6-legged larval mites — often used as if a generic name; compare cysticercus 1
2. capitalized : a genus of predaceous mites (family Erythraeidae) that are parasitic as larvae on insects