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17 Attachment(s)
Id help please
Good morning Dr. Seow Sir
These all Theretra sp. Sighted in Tripura...
Need your guidance
Thank you in advance...
1. Theretra clotho/tibetiana?
Attachment 27157
2. Theretra clotho/tibetiana?
Attachment 27158
3. Theretra boisduvalii?
Attachment 27159
4. Theretra clotho?
Attachment 27160
5. Theretra clotho?
Attachment 27161
6. Theretra lucasii/ latreillii?
Attachment 27162
7. Theretra clotho?
Attachment 27163
8. Theretra clotho?
Attachment 27164
9. Theretra lucasii/ latreillii?
Attachment 27165
10. Theretra lucasii/ latreillii?
Attachment 27166
11. Theretra?
Attachment 27167
12. Theretra clotho?
Attachment 27168
13.Theretra boisduvalii?
Attachment 27169
14. Theretra clotho?
Attachment 27170
Attachment 27171
15. Theretra lucasii/ latreillii?
Attachment 27172
Attachment 27173
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Theretra clotho & tibetiana.
It is not possible to differentiate between the two as they are practically identical.
The distribution of the two are slightly different & as far as I can see T. tibetiana has not been recorded in India.
https://tpittaway.tripod.com/china/t_clo.htm
T. clotho is found in Thailand but not T. tibetiana.
https://en.wikipedia.org/wiki/File:T...ark_female.jpg
https://tpittaway.tripod.com/china/t_tib.htm
T. tibetiana is found in Taiwan but not T. clotho.
https://species.wikimedia.org/wiki/T...513811706).jpg
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Theretra lucasii & latreillii.
T. lucasii was formerly treated as a subspecies of T. latreillii.
T. lucasii is oriental while T. latreillii is Australasian.
T. lucasii. Wings triangular with straight margins, like a jet fighter.
FW with extra submarginal lines beyond the dotted postmedial visible.
https://tpittaway.tripod.com/china/t_luc.htm
T. latreillii.
FW margin more convex & submarginal lines not visible.
http://lepidoptera.butterflyhouse.co...atreillii.html
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Theretra boisduvalii & T. sumatrensis.
Two species were formerly confused as one.
Both have the postmedial running from the apex marked out by dots on the veins.
T. boisduvalii.
Upperside greenish brown.
https://www.flickr.com/photos/hkmoths/2921757996/
https://eol.org/pages/638030
T. sumatrensis.
Upperside brown with a darker shading medially..
https://en.wikipedia.org/wiki/Theret...tji_Valley.jpg
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1, 2, 4 & 5.
Theretra clotho.
3. Theretra boisduvalii.
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6, 9, 10.
Theretra lucasii.
7 & 8.
T. clotho.
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11 & 15.
Theretra lucasii.
12, 13, & 14.
Theretra clotho
TL Seow: Cheers.
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I see from the Sphingidae series that T. tibetiana have been reported from Bhutan & Manipur.
They are practically identical.
Perhaps the pale line inner to the postmedial running from the apex is better defined in T. clotho.
http://sphingidae.myspecies.info/taxonomy/term/5200
http://sphingidae.myspecies.info/taxonomy/term/2805
2 & 4 where this line is very weak might be possible T. tibetiana.
TL Seow: Cheers.
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13 is also probably T. tibetiana since the pale line adjacent to the dark postmedial is practically obsolete.
Other confirmed examples of T. tibetiana & clotho.
T. tibetiana.
http://dearlep.tw/species.html?namec...07c69ace4c2da8
T. clotho. P. Malaysia & Singapore.
https://www.flickr.com/photos/gancw1/22793159381/
https://inaturalist-open-data.s3.ama...jpg?1545575529
TL Seow; Cheers.