Unknown Laos Nymphalid (large)

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Trehopr1
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Unknown Laos Nymphalid (large)

Post by Trehopr1 »

This is a recent acquisition of which I have no
identification. Have not had any luck yet searching
my available literature. The species is the size of
a LARGE prepona (female).

Any help would be much appreciated !

Let's see which forum member (detective) gets it
spot-on correct (first).

Image

I'm very happy to have run across this as it is
of a most unusual and striking green coloration
with nifty banding.
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adamcotton
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Re: Unknown Laos Nymphalid (large)

Post by adamcotton »

That looks like Euthalia patala taooana to me.

See
http://yutaka.it-n.jp/lim2/721720010.html

Adam.

PS. You are lucky to find this rare species.
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Re: Unknown Laos Nymphalid (large)

Post by Paul K »

I agree with Adam.
I wouldn’t say it is rare but definitely uncommon.
I only came across it twice in Chiang Mai and once was able to net it, unfortunately it is not A1 but if you add two good quoters together then you get the idea.
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Re: Unknown Laos Nymphalid (large)

Post by Trehopr1 »

Thank you Adam and Paul for your prompt
identification on this wonderful species.

Nice to know its rather special to run across
these days...
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Re: Unknown Laos Nymphalid (large)

Post by daveuk »

Agree with Adam & Paul about the identification of this one Trehopr. Here is one of my specimens from Thailand purchased from Chuck Ianni about 20 years ago
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Re: Unknown Laos Nymphalid (large)

Post by adamcotton »

Paul K wrote: Fri Jan 20, 2023 11:23 pm I only came across it twice in Chiang Mai and once was able to net it, unfortunately it is not A1 but if you add two good quoters together then you get the idea.
Paul is lucky. I have lived here for 40 years and never seen it in nature despite going to the right place on Doi Suthep (the mountain I can see from my house) actually looking for it back in the 1980s. It is univoltine in March-April here, later in cooler localities, and mainly comes to bait traps, so you wil be lucky to actually see one. A1 quality specimens are very difficult to obtain, so it is nice to see your superb specimens.

Where in Laos did Trehopr1's specimen come from?

Adam.
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Re: Unknown Laos Nymphalid (large)

Post by Paul K »

adamcotton wrote: Sat Jan 21, 2023 9:02 am
Paul K wrote: Fri Jan 20, 2023 11:23 pm I only came across it twice in Chiang Mai and once was able to net it, unfortunately it is not A1 but if you add two good quoters together then you get the idea.
Paul is lucky. I have lived here for 40 years and never seen it in nature despite going to the right place on Doi Suthep (the mountain I can see from my house) actually looking for it back in the 1980s. It is univoltine in March-April here, later in cooler localities, and mainly comes to bait traps, so you wil be lucky to actually see one. A1 quality specimens are very difficult to obtain, so it is nice to see your superb specimens.

Where in Laos did Trehopr1's specimen come from?

Adam.
I found it in Thep Sadet, Doi Saket District mud puddling on bait , not sure if that was urine or nam pla (fish sauce/oil) but most likely the second.

According to Yutaka Inayoshi the species is locally common in montane forest. He sent me few times live photos of perfect specimens, I suppose to tease me a little as he saw my half good specimen 😂
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Re: Unknown Laos Nymphalid (large)

Post by Trehopr1 »

The label data on my specimen Adam only says:

Laos (north), May.2008, Bait

Unfortunately, the data is limited (as is most often the case) when it is not collected by a serious enthusiast / lepidopterist.
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Re: Unknown Laos Nymphalid (large)

Post by adamcotton »

adamcotton wrote: Sat Jan 21, 2023 9:02 am It is univoltine in March-April here
Looking at the link to the webpage I posted above for this species from Inayoshi, Butterflies in Indochina it seems I was mistaken - there is a second generation in October.

It is a pity that there is no useful locality data on your specimen other than 'north', not even a province. Probably it is from Oudomxay, but please do not add that to the specimen data, as it could be from another part of northern Laos. I imagine that it should be present on the mountains between Luang Nam Tha and Muang Sing in the NW, for example.

Adam.
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Re: Unknown Laos Nymphalid (large)

Post by Chuck »

What a spectacular species!

Paul, your specimen is wonderful, broken or not. It has accurate, confirmable data which makes it invaluable.
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Re: Unknown Laos Nymphalid (large)

Post by adamcotton »

Chuck wrote: Sun Jan 22, 2023 5:31 pm What a spectacular species!
Yes, it is the 'King' of the remaining genus Euthalia in Thailand, as opposed to Lexias which used to be included in Euthalia.

Adam.
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Re: Unknown Laos Nymphalid (large)

Post by Trehopr1 »

I agree Adam that limited locality data is frustrating in our science
but, it is a fact that unfortunately abounds -- especially when its
associated with exotic insects.

The fact is that the overall majority of insect (mass) collected abroad
is most often made by "local" collectors who have absolutely NO concept
of PROPER scientific method. They may know or even be wise about
where or when to find good things to sell for monetary value (since they
live there) but, things like (specific) locations, dates, elevations, method
of capture etc. etc. are either never noted or are "watered" down by the
very dealer (middlemen) they sell their captures to.

As we all know, many of those dealer types are unscrupulous or very protective
of their interests so, providing data any TOO specific could mean a serious
(gaff) of personal stupidity. Heck, the next year you just might find several
wealthy chinese, japanese, or otherwise collectors camping right out on that
very spot PILLAGING the site !

Some of us (myself incl.) have been fortunate in our life to do some
travel to collect and thoroughly immerse ourselves in this science for
a week or two; and to that end I did my best personally to get GOOD
data associated with my material.

However, like just about everyone else who is a hobbyist/collector
with a lifelong passion; I am left to the "whims" of how much or
how little is "provided" on any purchased specimen.
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