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DaveChiangMai
30-Nov-2020, 10:39 PM
I photographed this species at 1,200 m, in nw Thailand last week. This was the only shot I was able to obtain, so it's most unlikely this can be identified to species. However, it looks like no other Rapala I have photographed in Thailand.

From reviewing my other Rapala images, available literature and images on the web, I think this can be narrowed down to one of three species: damona, dieneces or rectivitta. All are uncommon but possible in northern Thailand. Three things strike me as unusual in this image:

1. The very prominent golden rim/edge to the upper side of both wings.
2. The rather distinct sub-marginal band (quite "blocky") (images of rectivitta show this).
3. The very straight forewing discal band.

I would be interested in comments on species which might show these features.

With thanks.

26850

Nawab
30-Nov-2020, 10:59 PM
R. nissa in my opinion.

DaveChiangMai
01-Dec-2020, 03:49 PM
Many thanks for that suggestion. Indeed that would also match. I've not seen nissa in Thailand previously with such a deep colouration, but I am aware that can be variable.

Psyche
01-Dec-2020, 10:10 PM
Agreed it is Rapala nissa.

R. rectivitta ;Upperside male with a blue shot.
UnH band straight , without any break or fracture from vein 2 to the costa (upper margin).(rectivitta = straight band).
https://www.ifoundbutterflies.org/media_images/2018/94_23499-379-5a4755b6f3601-2.jpg
http://yutaka.it-n.jp/lyc4/84120001.html

R. nissa. Upperside male without blue shot, but may be greyish-blue.
UnH band ( often thin) slightly irregular, & often dislocated at vein 3.
https://www.ifoundbutterflies.org/media_images/2015/1_7778-244-55cae71330a74-1.jpg
http://yutaka.it-n.jp/lyc4/84140001.html

R. damona ;FW band always distinctly curved in to the costa.
UnH band with at least one dislocation.
https://www.ifoundbutterflies.org/media_images/2018/94_23485-219-5a472b5225641-2.jpg

R. dieneces. FW band straight or slightly curved.
UnH band irregular with several dislocations.
https://www.ifoundbutterflies.org/media_images/2019/981_41664-987-5cff476672863-1.jpg
https://www.ifoundbutterflies.org/media_images/2019/981_41664-987-5cff476672863-2.jpg


TL Seow: Cheers.

DaveChiangMai
01-Dec-2020, 10:50 PM
Many thanks for the confirmation.