Leaf miner in Red Alder - Stigmella undescribed-species-on-alnus - BugGuide.Net

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Pygmy Leafmining Moths (Nepticuloidea) » Nepticulidae » Stigmella » betulicola group (Stigmella betulicola group) » Stigmella undescribed-species-on-alnus

Photo#788677

Copyright © 2013 Scott Gilmore

Leaf miner in Red Alder - Stigmella undescribed-species-on-alnus

Lantzville, Nanaimo, Vancouver Island, British Columbia, Canada
June 18, 2013

I found 4 of these in young Red Alder trees. Hopefully I can raise one of them.

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Leaf miner in Red Alder - Stigmella undescribed-species-on-alnus

Leaf miner in Red Alder - Stigmella undescribed-species-on-alnus

Leaf miner in Red Alder - Stigmella undescribed-species-on-alnus

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Contributed by Scott Gilmore on 18 June, 2013 - 4:20pm
Last updated 22 November, 2013 - 7:17am

Moved

Moved from Stigmella.

… Charley Eiseman, 22 November, 2013 - 7:17am

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Moved

Moved from ID Request.

… Charley Eiseman, 18 June, 2013 - 5:19pm

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Thanks Charley

Clearly these guys don't stay in the mines very long. Hopefully I get an adult from this one (see new pics) as the other three I have look like they might have been empty when I found them.

… Scott Gilmore, 20 June, 2013 - 1:28pm

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Short larval period

Yes, in general nepticulids mine for a very short time, and you're lucky to find an occupied mine. Good luck getting photos of the adult! I've had mixed results--some sit nice and still after being put in the fridge overnight; others just keep running around.

By the way, I showed this photo to nepticulid specialist Erik J. van Nieukerken, and he said: "This is probably an undescribed species for which I have seen a draft description by Don Davis."

… Charley Eiseman, 20 June, 2013 - 5:18pm

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An adult has emerged

Thanks for the info Charley. An adult emerged this morning and was still enough to get some shots. If only I had a better camera as these guys are really small! Pupation lasted 23 days. I also got a few bad videos of another caterpillar starting its cocoon on the outside of the leaf. I found more larvae and all but one formed the cocoon on the outside of the leaf they mined. The other attempted to do it on the side of the container but it did not work.

… Scott Gilmore, 13 July, 2013 - 4:19pm

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