An Amendment on the Record of Rhyothemis fuliginosa Selys, 1883 in Taiwan — a Newly Discovered Gynomorphic Wing Pattern in Female R. regia regia (Brauer, 1867) (Odonata: Libellulidae)

The identity of Taiwanese Rhyothemis fuliginosa Selys, 1883 is clarified to be the gynomorphic female of R. regia regia (Brauer, 1867). Female Taiwanese R. r. regia differ from female R. fuliginosa mainly in having paler face with weak metallic lustre, anteriorly more strongly incurved postclpyeus and stouter cerci. The reported wing patterns of various subspecies of R. regia are compiled from the literature for comparison. A transitional variation of the female wing pattern of Taiwanese R. r. regia varying from andromorphic to gynomorphic is illustrated. The case of range expansion caused by climatic warming in R. r. regia and other libelullid dragonflies in Taiwan is elucidated.