Mesopsyllus dimorphus sp. n. (♂): A antenna (abexopodal seta on allobasis indicated by arrow) B mandible (with palp disarticulated) C maxillule (with palp disarticulated) D maxilla E maxilliped (vestigial seta on endopod indicated by arrow). All drawings based on holotype (NHMUK reg. no. 2013.1033).

  Part of: Mu F-h, Huys R (2017) New Mesopsyllus species from the Bohai Sea, China, re-evaluation of the validity of Vibriopsyllus Kornev & Chertoprud, 2008 and proposal of Sympodella gen. n. (Copepoda, Harpacticoida, Canthocamptidae). ZooKeys 718: 1-33.