Dolbina formosana Matsumura, 1927, J. Coll. Agric. Hokkaido Imp. Univ. 19(1): 1-91. Type locality: [Taiwan, Nantou Hsien, Meiyuan,] Baibara.
Note. This species has until recently been treated as a local population of Dolbina inexacta (Walker, 1856).
Taiwan: iv-v (Kaohsiung Hsien); vi (Hualien Hsien); vii (Pingtung Hsien); viii (Nantou Hsien); 3-5.xii (Hualien Hsien).
Larval hostplants. Unknown, but probably Olea, Ligustrum, Fraxinus and Osmanthus.
Taiwan: Hualien Hsien (Taroko National Park, 2000m); Nantou Hsien (Puli; Lianhuachih; Meiyuan, 500m); Pingtung Hsien (Kenting); Kaohsiung Hsien (Shanping, 640m); Taipei Hsien (Fushan); Taoyuan Hsien (Galahe).
[It should be noted that Meiyuan was formally known as Hsin-sheng [Hsinseng], and before that as 'Baibara', the type locality of many species of insect collected in Taiwan.]
Endemic to Taiwan.