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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) » Nematinae » Willow Sawflies and allies (Nematini) » Euura » Euura lipovskyi
Photo#763023
Azalea Sawfly? - Euura lipovskyi
Copyright © 2013 Tim Turner

Azalea Sawfly? - Euura lipovskyi
Beavercreek, Greene County, Ohio, USA
April 23, 2013
These may not all be the same individual insect, as there were several on two neighboring Azaleas (Rhododendron 'Mandarin Lights' and R. 'White Lights'; these are hybrids with ancestry from R. japonicum, R. molle and R. prinophyllum). These Azaleas get infested with sawfly larvae devouring the leaves (all but mid-rib) every spring soon after full flower; this is the first time I have noticed what may be the adults. They appeared to be ovipositing in the expanding buds, often walking down and then up stems to the next bud, and sometimes flying.

Images of this individual: tag all
Azalea Sawfly? - Euura lipovskyi Azalea Sawfly? - Euura lipovskyi Azalea Sawfly? - Euura lipovskyi Azalea Sawfly? - Euura lipovskyi - female
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Contributed by Tim Turner on 23 April, 2013 - 11:09pm
Last updated 24 April, 2013 - 9:03pm

Moved
Moved from "Symphyta" - Sawflies, Horntails, and Wood Wasps.
… Ken Wolgemuth, 24 April, 2013 - 9:03pm login or register to post comments

Tenthredinidae, Nematinae
Nematus lipovskyi Smith. All pictures are the same thing. I described this in 1974 from adults reared from larvae feeding on "Azalea, swamp azalea, Azalea mollis" (as they must have been called then). Not much was known of the habits except the larvae defoliate the plants and go into the soil and make a cocoon for pupation. There is a single generation a year, with adults and larval feeding in early spring. This is the first information on their oviposition behavior, and its very interesting to see that they oviposit in the buds. Very nice observations and with pictures. The species is known throughout the East, at least Maine to Alabama west to Wisconsin.
… Dave Smith, 24 April, 2013 - 8:22pm login or register to post comments

 
Thank you
for the ID, Dave. I'll have to photograph the larvae when they appear and add them to bugguide with a link to these photos. I have many more photos of these sawflies taken at the same time and place (65, including 28 showing the oviposition behavior). If you wish you may contact me and I could send them to you.
… Tim Turner, 24 April, 2013 - 8:51pm login or register to post comments

Moved for expert attention
Moved from ID Request.
… Ken Wolgemuth, 24 April, 2013 - 5:09am login or register to post comments

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