Syrastrena sumatrana Tams

Syrastrena minor sumatrana Tams, 1935: 47.

Syrastrena minor borneensis Tams, 1935: 47; Holloway, 1976: 90.

Syrastrena sumatrana borneensis Tams; Holloway, 1982: 199.

Diagnosis

This is the palest of the three Bornean species.

The hindwing grades darker towards the costa and there is a hint of a straight dark then pale fascia on the hindwing postmedially, stronger centrally.

Taxonomic Notes

The species is divided into a number of rather localised subspecies, that from Borneo being ssp. borneensis Tams.

Geographical range

Sumatra; Borneo; Peninsular Malaysia; China; Taiwan.

Habitat preference

This is a predominantly montane species, taken in lower and upper montane forest on G. Kinabalu, G. Mulu, G. Api, Bukit Retak and Bukit Pagon.

However, it has also been taken infrequently in lowland forest in Brunei.

Genitalia: