View Full Version : Is this Mycalesis perseus?
Tai LA
15-May-2018, 09:32 AM
Posting this on behalf of Alan Ang.
Appreciate your help on this.
https://s7.postimg.cc/hs1xqbuaf/DDB853_D7-41_D8-4308-_A5_B7-8_B90_FB7_D8503.jpg (https://postimg.cc/image/hs1xqbuaf/)
Psyche
15-May-2018, 07:18 PM
Mycalesis perseoides.
A. FW white striae around eyespots typically thick & merging with the peripheral ones.
A1 M. persoides. Inner margins of HW eyespots form a very irregular/jagged indentation ; Dark discal line also very irregular with 3-4 points or teeth, lowest at vein 1b prominent.
http://1.bp.blogspot.com/-jx3Ps1jjyS0/UlLg4HEOu3I/AAAAAAAAaQA/c0HyDLtct0w/s1600/MPP_adult_03Y.jpg
http://www.butterflycircle.com/checklist/mugshots/Mycalesis%20perseoides%20perseoides/MPP_adult_Federick_01.jpg
The lower tooth may be flattened or absent (often absent further north in Thailand, Indochina.).
http://2.bp.blogspot.com/-Cushz_BH29g/TxzJgk4hT8I/AAAAAAAAFVw/ZJ7XdW_4awQ/s1600/DSC%2B4104%2BMycalesis-perseoides%2Bperseoides.jpg
A2 .M. visala. Inner margins of HW eyespots more regular ;dark discal more regualr with one or barely any tooth, lower end without the tooth in perseoides.
http://www.butterflycircle.com/checklist/mugshots/Mycalesis%20visala%20phamis/Long%20Brand%20Bush%20Brown%20-%20Tan%20Ben%20Jin.jpg
http://www.butterflycircle.com/checklist/mugshots/Mycalesis%20visala%20phamis/Long%20Brand%20Bush%20Brown%20-%20Nelson%20Ong.jpg
A3. M. distanti ; FW spot 2 very large in wsf; Dark discal line without lower tooth; HW white band angled in at the top.
https://farm5.staticflickr.com/4738/39256404761_8224c934d6_b.jpg
https://c2.staticflickr.com/4/3396/3627539009_e38eff7734_z.jpg?zz=1
B. FW white striae around eyespots typically not broad.
B1. M. mineus; HW inner margins of eyespots form a triangular indentation in the upper half; Lower 4 spots almost in a straight line.
http://www.butterflycircle.com/checklist/mugshots/Mycalesis%20mineus%20macromalayana/Dark%20Brand%20Bush%20Brown%20-%20Sum%20Chee%20Ming.jpg
http://www.butterflycircle.com/checklist/mugshots/Mycalesis%20mineus%20macromalayana/55%20Mycalesis%20mineus%20macromalayana%20(Dark%20 Brand%20Bush%20Brown)%20Bobby%20Mun.jpg
B2. M. perseus.HW inner margins form a wide 'bowl' indentation ;lower 4 spots distinctly out of line; FW eyespots typically arranged in an arc.
http://www.butterflycircle.com/checklist/mugshots/Mycalesis%20perseus%20cepheus/Dingy%20Bush%20Brown%20-%20Khew.jpg
http://www.butterflycircle.com/checklist/mugshots/Mycalesis%20perseus%20cepheus/Dingy%20Bush%20Brown%20-%20James%20Chai.jpg
B3. Mycalesis horsfieldi ;Eyespots more evenly-sized, striae thin; indentation shallow; lower 4 eyespots in a straight line.
Bornean examples.
https://www.jamiun.com/wp-content/uploads/2018/01/IMG_5715watermarksmall.jpg
http://lh6.ggpht.com/-Pb1TjFZOwMU/TojzVpXjSeI/AAAAAAAAAUk/v77NIbPB_Ic/Bushbrownbutterfly_Mycalesishorsfiel%25255B7%25255 D%25255B4%25255D.jpg?imgmax=800
https://upload.wikimedia.org/wikipedia/commons/8/84/Mycalesis_horsfieldi_66_2.jpg
TL Seow: Cheers.
Tai LA
15-May-2018, 07:31 PM
Thank you, Dr Seow!
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