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butterflyrajib
16-Sep-2018, 02:22 AM
Dear Sir,
I am uploading some unknown species for proper identification. All species are recorded from Chittagong, Bangladesh.

I guessed as below
Sl No.: 01 is Nacaduba hermus or pavana
Sl No.: 02 is Athyma nefte
Sl No.: 03 is Polytremis lubricans
Sl No.: 04 is Eurema andersoni
Sl No.: 05 is Halpe zola
Sl No.: 06 is Baoris unicolor
Sl No.: 07 is Halpe zema
Sl No.: 08 is Sarangesa dasahara

You are requetsed to guide me alongwith proper id key.

Regards,
Rajib Dey
Mob.: +91-9831632692

Psyche
16-Sep-2018, 08:32 AM
1. Nacaduba pavana. Dark striae within the white striae strongly developed.
https://www.thaibutterflies.com/wp-content/uploads/2016/07/Nacaduba-pavana-1080x724.jpg

N. hermus: Dark striae poorly developed, fading out; orange ring brownish.
https://www.ifoundbutterflies.org/media_images/NacadubaHermus/NacadubaHermus_HemantOgale_ah293.jpg


2. Athyma inara female. The shape of the FW cellend spot is triangular & its point long.
The Indian ssp is now raised to full species.
https://www.ifoundbutterflies.org/sp/658/Athyma-inara

Athyma nefte asita ;Myanmar/Indochina.
http://yutaka.it-n.jp/lim1/720580010.html

3. Polytremis lubricans.
Coarse ochreous ground colour; FW spots yellow, spot 2 very large; HW variable nos of spots, spot 3 largest.
http://www.flutters.org/home/photogallery/plog-content/images/butterfliesbrnbspnbspnbsphesperiidae-the-skippers-br/subfamily-hesperiinae--brnbspnbspnbsp-genus-polytremis--swift-/contiguous-swift-polytremis-lubricansmale--up-un-1gh-ml-apr2011.jpg

Psyche
16-Sep-2018, 09:01 AM
4. Eurema andersoni.
Typical andersoni have one FW cellspot & HW with postdiscal spot 7 a squiggle with a long tail.
https://www.learnaboutbutterflies.com/Eurema%20andersonii%208692-002a.jpg
Much variations.
https://www.ifoundbutterflies.org/sp/869/Eurema-andersoni

E. hecabe ;FW with 2 cellspots,but may lose one or both.
HW spot 7 typical a shapeless blotch. HW margin angular, & shape more quadrate.
https://www.ifoundbutterflies.org/#!/sp/767/Eurema-hecabe

5. Sebastonyma dolopia. The underside pattern is not that of Halpe.
https://www.ifoundbutterflies.org/#!/sp/674/Sebastonyma-dolopia


6.Astictopterus jama.
Palpi (labial palps) strongly porrect (projecting forwards) slender built; rounded FWs.
https://www.ifoundbutterflies.org/sp/893/Astictopterus-jama

Psyche
16-Sep-2018, 09:27 AM
7. Halpe zema ;HW band not reaching upper margin.
https://www.ifoundbutterflies.org/media_images/1a_7/tbe522.jpg
http://www.flutters.org/home/photogallery/plog-content/images/butterfliesbrnbspnbspnbsphesperiidae-the-skippers-br/subfamily-hesperiinae--brnbspnbspnbsp-genus-halpe--banded-ace-/banded-ace_un_jeypore_2010_monsoonjyotigogoi.jpg
http://yutaka.it-n.jp/hes/91250001.html

Halpe zola ;HW band reaching upper margin, often band becomes more diffuse. (the two can be quite hard to judge.)
http://3.bp.blogspot.com/_0EK80AsaR7g/TF488jrAGwI/AAAAAAAADOM/hzE9IwEp1iI/s1600/DSC0037Halpe+ormenes+vilasina+Dark+Banded+Ace.jpg
http://www.tataiwildlife.info/butterflies/pics/halpe%20zola%20zola%204.jpg
http://yutaka.it-n.jp/hes/91270001.html

7. Tagiades japetus. The markings are different.
https://wingscales.com/Hesperiidae/Tagiades-japetus-ravi
https://www.ifoundbutterflies.org/sp/934/Tagiades-japetus

Sarangesa dasahara. FW cellend spots joined by a costal spot forming a line of 3 spots.
https://commons.wikimedia.org/wiki/File:Sarangesa_dasahara_-_Common_Small_Flat.JPG


TL Seow: Cheers.

butterflyrajib
16-Sep-2018, 07:21 PM
Thank you TL Seow Sir.