Potanthus juno, the forgotten Dart.

[Psyche]

Potanthus Probably latinised name Potanth of S.Indian origin: Juno , Roman goddess, wife of Jove (-Jupiter.)

Potanthus juno have been recorded from Singapore in the past but seem largely to have been overlooked.

Eliot state of this species, subapical spot 8 absent or small.
Underside orange-tinged like ganda.

Old record include one by Federick Ho,.
https://3.bp.blogspot.com/-eLxO6Cqrl...it%2BBrown.jpg
and a bred female by Koh Cher Hern.
https://1.bp.blogspot.com/-WroJpPq0U...Dart-KohCH.jpg


Potanthus juno. FW 14mm.
FW typically with two subapical spots 6 & 7.
spot 8 is usually absent or vestigial.
FW spot 5 is smaller than spot 4 (as in serina)causing much confusion.
Abdominal end mostly yellow, may be dark shaded but no definitive black band.
Underside lightly dark shaded but no spots.
Upperside Thailand.
https://thaibutterflies.com/wp-conte...nthus-juno.jpg
P.Malaysia.
https://www.inaturalist.org/observations/26397188

Singapore observations.
These all have only two subapical spots and the ID is virtually certain.
https://www.inaturalist.org/observations/144847300
https://www.inaturalist.org/observations/290926530
https://www.inaturalist.org/observations/165716381
https://www.inaturalist.org/observations/260242714

These below have spot 8 much reduced.
They are possibly P. juno, but there is an element of uncertainty.
https://www.inaturalist.org/observations/152367590
https://www.inaturalist.org/observations/118233571
https://www.inaturalist.org/observations/19967403


Potanthus serina, Larger FW 16mm, but looks similar.
FW typically with three full subapical spots.(Spot 8 may be smaller.)
FW spot 5 smaller than spot 4.
HW with a samll spot 6 at inner corner.
UnH ground shaded blackish brown.
Abdominal end black-banded.
https://www.inaturalist.org/observations/180440667
https://yutaka.it-n.jp/npict15c/92880010_n001.jpg
https://www.butterflycircle.com/chec...rina-Bobby.jpg
https://www.butterflycircle.com/chec...ale_Horace.jpg
https://www.gbif.org/occurrence/1990599075

TL Seow: Cheers.