ID help needed (13 Oct 2021)

[Blue Nawab]

Dear Dr Seow,
Pls help with the following ids for members, thanks!

#1
27379

#2
27380

[Psyche]

1. Male Nacaduba berenice icena. Fairly typical.


The two smaller 8line blues have the dark striae strong in the male.

N. berenice icena is very variable.
FW postdiscal band typically dislocated in the middle, angulated or crooked.
Submarginal spots various shape, FW submarginal spots 4 & 5 if pointed then low or blunt.
http://www.butterflycircle.com/checklist/mugshots/Nacaduba%20berenice%20icena/Rounded%206%20Line%20Blue%20-%20Fedrick%20Ho.jpg
http://www.butterflycircle.com/checklist/mugshots/Nacaduba%20berenice%20icena/154%20Nacaduba%20berenice%20icena%20(Rounded%206-Line%20Blue)%20Bobby%20Mun.jpg
http://www.butterflycircle.com/checklist/mugshots/Nacaduba%20berenice%20icena/Nacaduba_berenice_male_01.jpg


N. calauria malayica.
FW postdiscal band almost always straight although some slight crookedness may be present.
FW submarginal spots 4 & 5 always sharp pointed, triangular with straight sides.
https://wanderingbutterflyeffect.files.wordpress.com/2009/03/6a0100a801ee89000e011017b3ad98860e.jpg
https://live.staticflickr.com/5645/20752670204_d98fab0615_b.jpg
Male left.
http://www.butterflycircle.com/checklist/mugshots/Nacaduba%20calauria%20malayica/Nacaduba%20calauria%20-%20Ellen%20Tan.JPG



The two larger species have the males with the dark striae weak or obsolete. Margins are straighter.

N. kurava nemana
FW postdiscal band typically straight ,sometimes with a slight dislocation/
FW submarginal spots usually large with rounded margins or corners.
http://www.butterflycircle.com/checklist/mugshots/Nacaduba%20kurava%20nemana/TransparentSixlineBlue-FooJL.JPG
https://2.bp.blogspot.com/-soqaLycfyxE/VhkQFMUpBAI/AAAAAAAAORs/F-TBr4o_wjE/s1600/TransparentSixlineBlue-KSK.JPG
http://www.butterflycircle.com/checklist/mugshots/Nacaduba%20kurava%20nemana/TransparentSixlineBlue-SunnyC2.JPG


N. beroe neon
FW costal spot above the mid cell (innermost) band absent.
FW postdiscal band typically broken in the middle, but may be variously dislocated.
https://wanderingbutterflyeffect.files.wordpress.com/2010/03/6a0100a801ee89000e0123ddf39fce860b.jpg
https://live.staticflickr.com/6206/6157531942_69c1ec7391_b.jpg
http://www.butterflycircle.com/checklist/mugshots/Nacaduba%20beroe%20neon/NB_adult_male_01.jpg


Ionolyce helico also lacks the inner costal spot as in N. beroe.
Some examples are confusingly similar to N. beroe.

N. beroe looking like I. helicon,
Lowest spot of the FW postdiscal band not shifted in.
The HW submarginal spots in space 3 & 4 above the black spot are lunulate (crescent moons)
http://4.bp.blogspot.com/-H03HQ8Y2p8I/VQ-ZXm2GGUI/AAAAAAAAApA/YkC84oKoRVE/s1600/BBB%2B-%2B0609.jpg


Ionolyce helicon resembling N. beroe.
Lowest spot of FW band shifted in.
HW submarginal spots 3 & 4 are chevrons, ie V-shaped.
http://www.butterflycircle.com/checklist/mugshots/Ionolyce%20helicon%20merguiana/Pointed%20Line%20Blue%20-%20Tan%20Ben%20Jin.jpg
https://static.inaturalist.org/photos/38413905/large.jpeg?1557411808

[Psyche]

2. Borbo cinnara.
There is no HW cellspot & the postdiscal spots are 2, 3, & 6.
The antennal club are thicker, more stubby than in Pelopidas.
http://www.butterflycircle.com/checklist/mugshots/Borbo%20cinnara%20cinnara/FS_adult_female_01.jpg
http://2.bp.blogspot.com/-KaVjdL_FAME/U152N_2DObI/AAAAAAAAdUc/5BJKeJq6wCY/s1600/FS_adult_Khew_01.jpg




TL Seow: Cheers.