Probithia (in Geometer Moths)

Details

Observed
21 Dec 2017 15:47:08
Quality Grade
Needs ID
Location
Tatai Commune, Koh Kong Province, Cambodia
Latitude
11.565
Longitude
103.1275
Accuracy
100m
Attributes
Life Stage
Adult
Added to iNaturalist
27 Jun 2019 17:53:28
Last updated
17 Oct 2019 20:17:11

Identifications and Comments

Identification by geechartier at 27 Jun 2019 17:53:30
Taxon: Probithia [genus]
Identification by pierotoni10 at 28 Jun 2019 03:57:13
Taxon: Probithia exclusa [species]
Comment by geechartier at 28 Jun 2019 08:36:46
@pierotoni10 - I can clearly see the two Probithia IDs I have agreed but I am less clear about this one. Based on the diagnostic info on Moths of Borneo (http://www.mothsofborneo.com/part-11/Eutoeini/eutoeini_2_1.php) this one seems intermediate between P. exclusa and P. imprimata because the medial costal marks are separate (rather than a complete chevron). I looked at the specimens on the NHM data portal before posting my observations. They do not seem to follow the diagnostic info on MoB and I was left not knowing how to determine the species.
Identification by pierotoni10 at 28 Jun 2019 13:20:53
Taxon: Probithia [genus]

In fact, I too had the same doubts. Thank you

Comment by geechartier at 17 Oct 2019 20:17:11
@pierotoni10, I realised I had an underside shot. Not sure if it helps. I can find no details about undersides. The NHM site shows undersides of P. exclusa and P. imprimata but I am not sure mine matches either. https://data.nhm.ac.uk/dataset/56e711e6-c847-4f99-915a-6894bb5c5dea/resource/05ff2255-c38a-40c9-b657-4ccb55ab2feb?q=Probithia&view_id=6ba121d1-da26-4ee1-81fa-7da11e68f68e&filters=continent%3Aasia&field=associatedMediaCount&value=

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Observation content (c) Gerard Chartier, some rights reserved (CC BY)