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Species Fenusa ulmi - Elm Leafminer

leaf mine on Elm - Fenusa ulmi Sawfly - Fenusa ulmi leaf mines on Rock Elm - Fenusa ulmi Elm Leaf Miner, ventral - Fenusa ulmi leap miner on Elm - Fenusa ulmi Tenthredinidae, face - Fenusa ulmi Tenthredinidae, ventral - Fenusa ulmi Fenusa ulmi? - Fenusa ulmi
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Tenthredinidae (Common Sawflies)
Subfamily Heterarthrinae
Tribe Fenusini
Genus Fenusa
Species ulmi (Elm Leafminer)
Synonyms and other taxonomic changes
Kaliofenusa ulmi
Explanation of Names
Fenusa ulmi Sundevall 1844
♀ ~4 mm(1)
Native to Europe, adventive in NA (ne. US & se. Canada; probably introduced with imported elms)(1); recently established in the Pacific Northwest as well(2) [also known on the Pacific coast of Russia(3)]
hosts: Ulmus(1)
Life Cycle
Parthenogenetic (males unknown in NA, rare in Europe), univoltine; adults from mid-May to early June; larvae mine elm leaves until mid-July, when they drop to the ground, where they form thin cocoons in the soil and overwinter(1)
One generation per year.(4)
Earliest NA record: NY 1898(1)
Internet References
Species pages: Ellis (2007) (Europe)(5) | Edmunds (2007) (UK)(6) | Rosetta (2011)(2)
Works Cited
1.Nearctic sawflies. III. Heterarthrinae: Adults and larvae (Hymenoptera: Tenthredinidae)
D.R. Smith. 1971. Agricultural Research Service, USDA Technical Bulletin No. 1420. 84 pp.
2.Pacific Northwest Nursery IPM Website
3.Keys to the insects of the European part of the USSR. Vol. 3. Hymenoptera. Part 6.
Zhelokhovtsev A.N., Tobias V.I., Kozlov M.A. 1993. Keys to the Fauna of the USSR 158: 1-432.
4.Eastern Forest Insects
Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.
5.Ellis W.N. (2007-) Leafminers of Europe
6.British leafminers