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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Sawflies, Horntails, and Wood Wasps » Cimbicid Sawflies (Cimbicidae) » Cimbex » Elm sawfly (Cimbex americana)
Photo#189515
Hymenoptera or mimic? Ontario Canada - Cimbex americana
Copyright © 2008 Beatrice Laporte

Hymenoptera or mimic? Ontario Canada - Cimbex americana
Ontario, Canada
June 7, 2008
Body was approx 1" long

Images of this individual: tag all
Hymenoptera or mimic? Ontario Canada - Cimbex americana Hymenoptera or mimic? Ontario Canada - Cimbex americana
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Contributed by Beatrice Laporte on 10 June, 2008 - 10:58am
Last updated 11 December, 2008 - 2:20pm

Moved
Moved from Cimbex.
… Ken Schneider, 11 December, 2008 - 2:20pm login or register to post comments

Cimbex americana
*
… v belov, 9 October, 2008 - 4:22am login or register to post comments

Hymenoptera AND mimic - female Cimbex sp. (Cimbicidae)
Several species of these large Sawflies have a Hornet-like color-pattern in the female gender.
But their presence in Norht America where Vespa crabro didn't exist until XIXth century is something of an enigma.
… Richard Vernier, 10 June, 2008 - 11:03am login or register to post comments

 
wow
i clicked on this image thinking it was a V. crabro.

maybe these things are native to the same place as V. crabro and thats why they look like that...
… Vespula vulgaris, 10 June, 2008 - 12:09pm login or register to post comments

 
Doubtless
This mimicry (limited to the female gender: males mostly have an all black body) did appear in Northern temperate Eurasia.
Thereafter some of these rusty Sawflies once went across the Bering's Strait while the Hornet didn't.
Since larvae live on willow, alder or birch trees, some species occur far North on both continents.
… Richard Vernier, 10 June, 2008 - 4:04pm login or register to post comments

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