Modiolicola bifidus Tanaka, 1961

Material examined.

Eight ♀♀, 2 ♂♂, Site 12, 16 Mar. 2013; 1 ♀, Site 23, 24 Apr. 2021.

Remarks.

Modiolicola bifidus has a very low host specificity and is distributed all around the Korean. Kim (2004) recorded 12 bivalve species as hosts, including Ruditapes philippinarum (A. Adams & Reeve, 1850), the major host.