Hypolycaena shirozui is a butterfly of the family Lycaenidae. It was described as Chliaria shirozui and moved to Hypolycaena by Hisakazu Hayashi, 1984. It is found on Mindanao, Leyte and Samar islands in the Philippines.
Hypolycaena toshikoae is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1984. Forewing length: 10–13 mm. It is endemic to the islands of Luzon and Mindoro in the Philippines. On Mount Halcon of Mindoro island, the male is not rare but the female is very rare.
Tajuria matsutaroi is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1984. It is endemic to the Philippine islands of Mindanao and Leyte. Forewing length is about 16–19 mm. The butterfly is a rare species. The nominotypical subspecies is found only on Mount Apo on Mindanao island and occurs several times a year.
Hypolycaena irawana is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi, Heinz G. Schroeder and Colin G. Treadaway in 1984. It is found in Palawan in the Philippines.
Paruparo mio is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi, Heinz G. Schroeder and Colin G. Treadaway in 1984. It is endemic to the Philippine island of Mindanao. Forewing length: 16–17 mm. It is a quite rare species and the threat category is "vulnerable".
Dacalana mio is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi, Heinz G. Schroeder and Colin G. Treadaway in 1983. Forewing length: 16–18 mm. It is rare species, endemic to the Philippines and found only on the islands of Mindanao and Leyte.
Sinthusa natsumiae is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1979. It is endemic to the Philippines and is found on many islands. It is very beautiful, especially on the forewing upperside of the male, where it has two brilliant blue colours. Its forewing length is about 12–15 mm.
Rapala tomokoae is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi, Heinz G. Schroeder and Colin G. Treadaway in 1978. It is endemic to the Philippines. Its forewing length is 17–19 mm.
Deramas ikedai is a butterfly of the family Lycaenidae, found on Mindanao in the Philippines. The species was first described by Hisakazu Hayashi in 1978.
Sinthusa mindanensis is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi, Heinz G. Schröder and Colin G. Treadaway in 1978. It is found on the Philippine islands of Mindanao and Leyte.
Catapaecilma nakamotoi is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1979.
Deramas treadawayi is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1981. It is found on Mindanao in the Philippines.
Arhopala sakaguchii is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1981. It is found on the Philippine islands of Negros and Mindoro.
Rachana circumdata is a butterfly of the family Lycaenidae first described by Heinz G. Schroeder, Colin G. Treadaway and Hisakazu Hayashi in 1978. It is found on Marinduque in the Philippines.
Deudorix philippinensis is a butterfly of the family Lycaenidae first described by Heinz G. Schroeder, Colin G. Treadaway and Hisakazu Hayashi in 1981. It is endemic to the Philippines where it is found on the islands of Luzon, Marinduque, Masbate, Mindoro, Panay, Negros, Sibuyan and Mindanao.
Dacalana liaoi is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi, Heinz G. Schroeder and Colin G. Treadaway in 1983. Its forewing length is 17–18 mm. The species is endemic to the Philippines and distributed on Panay and Negros islands. It is not a common species.
Dacalana akayamai is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi, Heinz G. Schroeder and Colin G. Treadaway in 1983. It is endemic to the Philippine island of Mindanao.
Dacalana irmae is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi, Heinz G. Schroeder and Colin G. Treadaway in 1983. It is endemic to the Philippines and found only on Sibuyan Island. The forewing length is 17.5–20 mm.
Dacalana treadawayi is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1984. It is endemic to Mindanao island in the Philippines.
Tajuria deudorix yuhkichii is a subspecies of the butterfly Tajuria deudorix in the family Lycaenidae. The subspecies was first described by Hisakazu Hayashi in 1984. It is found in Palawan in the Philippines.
