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Post by simosg on Oct 1, 2011 2:58:18 GMT -8
I thougt we had a thread called like this one, but I couldn't find it. I have a Charaxes viossati male from Anjouan on the board and as I'm a Papilionidae collector this is my first Charaxes I have relaxed (papered since 1999!). How long do you let Charaxes stay on the board? Large Papilios I have five to six weeks on the board, but Charaxes have stronger muscles, so do they need longer? Hannes Attachments:
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Post by Deleted on Oct 1, 2011 10:54:45 GMT -8
at least one month for charaxes.
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Post by wingedwishes on Oct 3, 2011 2:16:42 GMT -8
A month for old charaxes? That has not been my experience (but Dunc has more experience than I). Sure, a month if they are fresh.
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Post by lordpandarus on Oct 3, 2011 2:25:00 GMT -8
Cool, take another pic when it's done
I use transparent plastic strips so it's easier to see
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Post by Deleted on Oct 3, 2011 3:31:20 GMT -8
I say a month because a couple of years ago inbetween house moves I stupidly stored around 200 charaxes specimens in an outdoor garage along with other stuff, the result, yes you've guest it they ALL lifted and I had to reset them, some if not most of them rehydrated so much the wings were almost fully closed, I respread the lot of them, left them on the boards for around 4-5 weeks and they are still perfectly flat 2 years later but if you have any doubts at all then by all means leave them on for longer.
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Post by prillbug2 on Oct 3, 2011 7:17:06 GMT -8
Usually, two months.
Jeff Prill
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Post by simosg on Oct 3, 2011 10:31:17 GMT -8
OK, thank you all.
@lord: What are these for plastic strips?
Hannes
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Post by lordpandarus on Oct 7, 2011 6:07:40 GMT -8
Sheet covers for paper that I cut up in strips. I use specific ones and I have to feel them to know the thickness. I think acetate presentation sheets is the same
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Post by papilio28570 on Oct 8, 2011 19:22:41 GMT -8
Hmm...I allow 24 hours for rehydrated specimens and have not had a problem. But, I keep my collection in a controlled environment. I always assumed that a specimen would "lift" if exosed to a humid environment. Are you telling me that a specimen left on a board for a month will not lift after re-hydration? Seems to me that ambient humidity is the same regardless if the specimen is on a board for a month or in a cabinet for a month.
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Post by simosg on Oct 8, 2011 23:06:40 GMT -8
24 hours? But it can't be dry within 24 hours. If a take a large Papilio for example from the board after some days, the wings don't hold their position. How do you do this? Drying in a heated box?
Hannes
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Post by papilio28570 on Oct 9, 2011 21:25:05 GMT -8
No. I live in a regular house with normal climate control. I air condition to 74 degrees F during warm months and heat to 74 degrees F during cool months and I live in very humid coastal North Carolina.
I relaxed a Cecropia Moth for thee days in a humidity chamber, spread the specimen yesterday with no problem and removed it this evening...about 24 hours. It is perfectly dry and I even dipped it in some acetone to degrease portions of the hind-wings. I mounted a female tonight and will take her off the board tomorrow evening.
Earlier this evening, around 5 PM, I mounted 3 butterflies which I placed in a humidity chamber yesterday evening. They are a Heliconius ismenius telchinia, an Asterope markii davisii, and a Haetera piera. All three specimens were taken off the boards about 6 hours later and all are perfectly dry.
I've been doing this for 54 years and have not had a specimen change position once it is mounted. I cannot comprehend some folks here leaving specimens on their boards for weeks and even a month.
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Post by downundermoths on Oct 9, 2011 23:14:26 GMT -8
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Post by thanos on Oct 10, 2011 1:35:23 GMT -8
I agree with papilio28570. I have the same experiences. Also,if it's winter and you put the board with the specimens onto a radiator,they become even more quickly fully dried (within a few hours).
Of course it's different when we have to do with freshly-cought specimens (I mean specimens which you spread few days,or hours,after the field-collecting). Then,weeks maybe are needed for large butterflies/moths with big bodies,or even months for freshly-cought large beetles.
Thanos
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Post by simosg on Oct 10, 2011 10:22:55 GMT -8
It don't think that specimens can dry within some hours (probably very small ones on the radiator) and the wings will stay in their position if taking the specimens off the board then. Probably we have different views of a well mounted specimen. For me the forewings has to be in an exact angle of 90 degrees to the thorax, not a little bit fewer. And the wings have to be flat, not waved. And this is what happens to my specimens (regularly Papilios) if I take them off the board after some days.
Hannes
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Post by Ascalaphus on Oct 10, 2011 11:30:00 GMT -8
Maybe part of the confusion in this topic is caused by the following: some dried specimens on the market were mounted at first, and relaxed and papered months-years later. These specimens don't need to stay on the board for more than a couple of days, considerably shorter than the necessary 2-3 weeks for 'normal' papered specimens (Nymphalidae, Papilionidae).
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