Green Bottle Fly 5x
Moderators: rjlittlefield, ChrisR, Chris S., Pau
Green Bottle Fly 5x
Nuthin' fancy. Side view of Green Bottle fly head at 5x, 45 steps at 80µm. Canon 5D MK IV with Canon MPE 65mm.
In less than 10 minutes the "snoot" had noticeable shrinkage/dehydration. I put the specimen into Bio True after the shoot to see what'll happen. Image setup same as previous.- MarkSturtevant
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Re: Green Bottle Fly 5x
Very well done! How did you get the proboscis to extend?
Mark Sturtevant
Dept. of Still Waters
Dept. of Still Waters
Re: Green Bottle Fly 5x
Specimen was found drowned in a tray of water outside.MarkSturtevant wrote: ↑Sun Oct 23, 2022 3:55 pmVery well done! How did you get the proboscis to extend?
Re: Green Bottle Fly 5x
Very interesting, I have not seen it like this before.
- rjlittlefield
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Re: Green Bottle Fly 5x
I have seen this before. It is the process that produced the inflated mouthparts shown at https://www.photomacrography.net/forum/ ... hp?t=16257 and https://www.photomacrography.net/forum/ ... hp?t=16348 . They inflated naturally in water, then I dehydrated the specimen by swapping out the water for acetone.
I suspect the expansion is a matter of osmosis causing the body to gradually fill with fresh water. If there are no holes to let the pressure escape, the soft parts expand like a mylar balloon.
--Rik
I suspect the expansion is a matter of osmosis causing the body to gradually fill with fresh water. If there are no holes to let the pressure escape, the soft parts expand like a mylar balloon.
--Rik
Re: Green Bottle Fly 5x
Thanx, Rik. Informative and more 3D pix to look at. I just checked the fly that has been sitting (at the bottom) in Bio True. Under a 10x loupe it visually appears that it has hydrated to the first image state again.rjlittlefield wrote: ↑Tue Oct 25, 2022 8:18 amI have seen this before. It is the process that produced the inflated mouthparts shown at https://www.photomacrography.net/forum/ ... hp?t=16257 and https://www.photomacrography.net/forum/ ... hp?t=16348 . They inflated naturally in water, then I dehydrated the specimen by swapping out the water for acetone.
I suspect the expansion is a matter of osmosis causing the body to gradually fill with fresh water. If there are no holes to let the pressure escape, the soft parts expand like a mylar balloon.
--Rik