石斑双鳞盘吸虫(Diplectanum epinep-heli Yamaguti,1938)最早是由定名人在日本内陆海的红点石斑鱼(Epinephelus akaara)鳃上发现,在我国尚未见到有此虫的报道。1979年6月我们在福建厦门沿岸捕获后暂养的红点石斑鱼鳃上看到有此虫大量寄生,特予以记录。石斑双鳞盘吸虫的虫体细长,体长0.41～0.84毫米,体宽0.15～0.21毫米。前端有4个头叶,2对眼点。虫体后部(图)覆盖 Diptera tannery (Diplectanum epinep-heli Yamaguti, 1938) was first discovered by the celebrities in the gills of the Epinephelus akaara in the inland sea of ​​Japan, and no such insect has yet been reported in our country. In June 1979, we observed a large number of parasites on the gills of the red-spotted grouper that were caught after being caught off the coast of Xiamen, Xiamen, especially for records. Parasitidis bipinnata parasites slender, body length 0.41 ~ 0.84 mm, body width 0.15 ~ 0.21 mm. The front has 4 leaves, 2 pairs of eyes. Insect body (Figure) cover