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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Symphyta" - Sawflies, Horntails, and Wood Wasps » Common Sawflies (Tenthredinidae) » Allantinae » Allantini » Dogwood Sawflies (Macremphytus) » Macremphytus lovetti
Photo#1726666
Dogwood sawfly larvae - Macremphytus lovetti
Copyright © 2019 Chris

Dogwood sawfly larvae - Macremphytus lovetti
Portland, Multnomah County, Oregon, USA
September 11, 2019
Size: 20 mm
I believe this image shows 2 instars of Macremphytus larva, undetermined species. Joe Boggs OSU Extension says there are 3 types that feed on various dogwood: M. tarsatus, M. testaceus, and M. semicornis. These were found munching on Cornus sericea in my yard. I collected a half dozen leaves with larvae working or resting & have the leaves in water, enclosed in a large container. Several molts have already occurred. This photo shows the final instar (yellow & black) and an intermediate instar (chalky white).

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Dogwood sawfly larvae - Macremphytus lovetti Dogwood sawfly larvae - Macremphytus lovetti
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Contributed by Chris on 13 September, 2019 - 3:36pm
Last updated 24 March, 2020 - 2:54pm

Adult emerged from these larva
I just submitted an image of the adult that emerged this summer from the larva I held in a jar over the winter.
… Chris, 15 November, 2020 - 9:13pm login or register to post comments

 
I hope
Spencer K. Monckton will solve this riddle if you provide specimens.
… Alexander Boldyrev, 16 November, 2020 - 11:23am login or register to post comments

Moved
Moved from Unidentified Sawfly Larvae.
… Ken Wolgemuth, 24 March, 2020 - 2:54pm login or register to post comments

Hello,
it must be Macremphytus lovetti according "Nearctic sawflies IV. Allantinae, 1979" and adults should be well distinguished from each other.

I wish you success!
… Alexander Boldyrev, 24 March, 2020 - 2:46pm login or register to post comments

Moved
Moved from ID Request.
… Ken Wolgemuth, 20 March, 2020 - 9:26am login or register to post comments

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