Two species of the poecilostomatoid copepods, Allopodion ryukyuensis Kim and Yamashiro, 2007 and Haplomolgus montiporae Humes and Ho, 1968, are recorded from a scleractinian corals Montipora aequituberculata. These two species of copepods can elicit defense reactions of their host corals to deposit calcareous barrier by their appendages and are considered as gall-inducing copepods. Both of them are first recorded from M. aequituberculata and Taiwan.