ABSTRACT.– A new species of sphaerolichid mite, Sphaerolichus lekprayoonae n. sp. (Acari: Sphaerolichida:
Sphaerolichidae), is described and illustrated based on adult specimens collected from leaf-litter in tropical
forests in Thailand. It is distinguished from other known species of Sphaerolichus by the unique presence of
prodorsal apodemes, hypertrophied setae behind the dorsal concavity of tibia I, the absence of a prolonged
solenidion at the apex of tibia I, and the solenidial counts of genua I-IV (1-1-1-0).