A new species of Gaeolaelaps Evans and Till (Acari: Laelapidae) associated with an endemic bess beetle (Coleoptera: Passalidae) in the Republic of Korea

A new mite species, Gaeolaelaps leptaulax n. sp., collected on an endemic bess beetle, Leptaulax koreanus Nomura, Kon, Johki and Lee (Coleoptera: Passalidae), from Republic of Korea is described and illustrated based on morphological characters of female, male and protonymph specimens. In addition, an identification key to all known Korean species of the Gaeolaelaps is presented, and ambiguities on the identification of some previously recorded species of the genus are discussed.