Arhopala ID request

[Gavin Chan]

Dear Dr Seow,

Would like to seek your opinion on the ID of this Arhopala:

27600

[Psyche]

Arhopala major.

A. major is much the commonest Oakblue in Singapore.

This & A. amphimuta are often confused.
Both are tailless withthe FW postdiscal series of round spots in an arc & unbroken.
The HW series are also placed far from the HW cellend.

Arhopala amphimuta.
TheMale upperside blue with border a thread.
HW postdiscal spots 2, 3, 4, & 5 in line & largely unbroken.
The postdiscal spot in space 1b forms a near perfect 'V'.
http://4.bp.blogspot.com/-J9Xmngyim6A/UZiTd2FbmPI/AAAAAAAAKLU/giYImR17uDw/s1600/HFH+4500+Arhopala+amphimuta+amphimuta.jpg
https://3.bp.blogspot.com/-cqBM3Ky-x4w/ThzwZHfcOQI/AAAAAAAALQM/LCCJrfvQ4h8/s400/A_adult_Sunny_01.jpg
https://2.bp.blogspot.com/-H7I0dE5PsSo/Th1NL1fXIYI/AAAAAAAALQ0/Ne3jzPOl6vM/s1600/A_amphimuta_Simon_01.jpg


Arhopala major.
Male upperside blue with broad brown border.
HW with postdiscal spots 2, 3, 4, & 5 always broken at vein 4, ie in the middle.
The V spot in space 1b is unequal with a longer lower arm, ie an 'L' or a 'J' or much distorted.
http://www.butterflycircle.com/checklist/mugshots/Arhopala%20major%20major/Arhopala-major-major---2---Tan-C.jpg
http://www.butterflycircle.com/checklist/mugshots/Arhopala%20major%20major/Arhopala%20major%20major%20-%20Tan%20CP.jpg

https://3.bp.blogspot.com/-adki2BwuGB8/UI4ojBP68rI/AAAAAAAAPh4/8q2v0-9LU-k/s1600/Amajor_adult_Ellen_01.jpg
https://1.bp.blogspot.com/-lvsVe5vIRjM/US-H3c21qWI/AAAAAAAAT2E/JQfQDuEggWw/s1600/A_major_adult_Jonathan_01.jpg



The underside differences are not absolute & also hybrids may occur.



TL Seow: Cheers.

[Gavin Chan]

Thanks for the ID Dr Seow! It's always enlightening to learn the finer details of these similar species.