Four New Species of Larval Charletonia and Leptus (Acari: Trombidiformes: Erythraeidae), with a Checklist of the Two Genera and Their Hosts from China.

Four new species, Charletonia rectangia Xu and Jin sp. nov. , Leptus ( Leptus ) bomiensis Xu and Jin sp. nov. , Leptus ( Leptus ) longisolenidionus Xu and Jin sp. nov. , and Leptus ( Leptus ) striatus Xu and Jin sp. nov. are described and illustrated based on larvae. All four new species are from biodiversity hotspots, L . ( L .) bomiensis sp. nov. from the Eastern Himalayas biodiversity hotspot, while the other three species from the Indo-Burma biodiversity hotspot.