Tuesday, 31 January 2017

244. Ideopsis vulgaris contigua (The Blue Glassy Tiger)

Number: 244
Family: Nymphaliidae
Sub-Family: Danaiinae
Species: Ideopsis vulgaris contigua (Talbot, 1939)
Common name(s): The Blue Glassy Tiger
Photography locations: Cuc Phuong N.P. (Ninh Binh Prov.), Hàm Yên (Tuyên Quang Prov.)

Two species of Ideopsis are known from Vietnam - vulgaris and similis.

I. vulgaris is a widespread species in South-East Asia, occurring from southern Burma, Vietnam and Hainan through the Malay Peninsula to Indonesia, the Philippines and Borneo. Ssp. contigua ranges from S.China, Vietnam, N. & C. Thailand.
This Danaine butterfly inhabits a broad range of lowland habitats, including forest edges, plantations, scrub and  agricultural land. It favours open spaces, where adults fly slowly and frequently visit flowers.

Ideopsis vulgaris nectaring on Bidens flower - Cuc Phuong, August 2015

1) FW with basal spots in spaces 2 & 3 wedge-shaped (more or less rounded in similis)
2) white stripe in space 1a on HW as wide as the adjacent brown vein 1b stripe (much broader in similis)
3) spot at end cell on FW with a deep excavation, upside-down shark-mouth shaped (little excavation in similis)

Ideopsis vulgaris feeding on Chromolaena odorata - Tuyen Quang Prov., January 2017

Ideopsis vulgaris, underwing pattern

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