Tagiades trebellius is a butterfly in the family Hesperiidae (subfamily Pyrginae).
Description It is a distinctly discernible form; a larger skipper, with a complete, closed circle of rather thick, small hyaline spots on the forewing; on the hindwing the marginal spots begin to form a closed row of spots.
Subspecies T. t. trebellius (Sulawesi) T. t. sem Mabille, 1883 (Sangihe, Talaud) T. t. martinus Plötz, 1884 (Japan) T. t. mitra Mabille, 1895 (Sula Islands)
Tagiades trebellius martinus larvae feed on Dioscorea alata, D. cirrhosa (Dioscoreaceae).Taro Iwase, 1964 Recent foodplant records of the Loochooan butterflies Journal of the Lepidopterists' Society 1964:105-109
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