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Ngangom Aomoa
02-Sep-2020, 12:57 AM
This has been with me for quite sometime but could never come to a conclusion if it is P. alcippe or P. phalantha or any other.
Would be grateful to get the id with id keys to differentiate between P. alcippe or P. phalantha.
1a.
26574
1b.
26575
Probably 1a and 1b from same specimen, From Meghalaya, India. The size was much smaller than P. phalantha I ve seen before.

2.
Would like to add this one which I believe is Stimula swinhoei which I saw in one of the discussion in this forum. Kindly confirm.
26576

Thanks in advance

Psyche
02-Sep-2020, 08:06 PM
1a & 1b are both P. phalantha.

P. phalantha ;FW without a black marginal band & cross stripes in the costal zone.
UnH with the outer submarginal fascia scalloped/ crenate, composed of joined lunulate marks.
http://yutaka.it-n.jp/hel/710120001.html

P. alcippe. UpF with a strong black marginal band & cross stripes in the costal zone.
UnH with the outer submarginal fascia a regular linear line.
http://yutaka.it-n.jp/hel/710130010.html


2. Stimula swinhoei.
FW with the marginal zone broadly paler.
UnH more or less uniformly brown.
https://thaibutterflies.com/wp-content/uploads/2016/07/Stimula-swinhoei.jpg

Ancistroides nigrita. Underside of both wings with the marginal zones broadly paler or with a diffuse pale fascia.
https://commons.wikimedia.org/wiki/File:Close_wing_position_of_Ancistroides_nigrita_L atreille,_1824_%E2%80%93_Chocolate_Demon.jpg


TL Seow: Cheers.

Ngangom Aomoa
03-Sep-2020, 12:29 AM
Thanks a lot sir.