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.
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".
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.
Deramas toshikoae is a butterfly of the family Lycaenidae. Its forewing length is 15–16 mm. It is endemic to the Philippines. It is rare species and found on Mindanao, Leyte and Mindoro islands.
Rachana mioae is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1978. Eliotia mioaeH. Hayashi, 1978 was moved to Rachana, because Eliotia is the junior homonym of a genus of marine animals described in 1909.
Arhopala matsutaroi is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1979. Its forewing length is 19 mm. It is endemic to the Philippines. It is uncommon and found only on Mindanao.
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.
Pratapa tyotaroi is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1981. It is endemic to the Philippines. On Mindanao island it is distributed on Mount Apo, Mount Kitanglad and Mount Masara.
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 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 treadawayi is a butterfly of the family Lycaenidae first described by Hisakazu Hayashi in 1984. It is endemic to Mindanao island in the Philippines.
Arhopala aronya is a species of butterfly in the family Lycaenidae first described by William Chapman Hewitson in 1869. Its forewing length is 17–18 mm. It is endemic to the Philippines. It is uncommon or local.
Arhopala staudingeri is a species of butterfly in the family Lycaenidae. It was described by Georg Semper in 1890. It is found in the Indomalayan realm, where it is endemic to the Philippines.
