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Blister Beetle

 
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NikonUser



Joined: 04 Sep 2008
Posts: 2528
Location: southern New Brunswick, Canada

PostPosted: Wed May 24, 2017 4:36 pm    Post subject: Blister Beetle Reply with quote

On June 5 2011 I posted an image of this species, incorrectly identified as Lytta aenea
https://www.photomacrography.net/forum/viewtopic.php?t=13495&highlight=blister+beetle

Today, May 24 2017, I saw this one, Lytta sayi, feeding on the flower buds of a cherry (Prunus sp.).
These beetles are very dangerous to handle as they can exude blood, containing cantharidin, through their leg joints; a process called reflex bleeding.
Lots of information on cantharidin in Wikipedia, the least of which is causing skin blisters. In the USA it is classified as an "extremely hazardous substance"
Nikon 200mm AF Micro-Nikkor + 5T close-up attachment, f/22, flash

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NU.
student of entomology
Quote – Holmes on ‘Entomology’
” I suppose you are an entomologist ? “
” Not quite so ambitious as that, sir. I should like to put my eyes on the individual entitled to that name.
No man can be truly called an entomologist,
sir; the subject is too vast for any single human intelligence to grasp.”
Oliver Wendell Holmes, Sr
The Poet at the Breakfast Table.

Nikon camera, lenses and objectives
Olympus microscope and objectives
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MarkSturtevant



Joined: 21 Nov 2015
Posts: 197

PostPosted: Thu May 25, 2017 10:06 pm    Post subject: Reply with quote

And its so pretty!
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Mark Sturtevant
Dept. of Still Waters
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