Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29


Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Fenusa dohrnii - European Alder Leaf-mining Sawfly

Fenusa dohrnii Fenusa dohrnii Fenusa dohrnii leaf mines - Fenusa dohrnii TENTHREDININAE Heterarthrinae: Fenusa dohrnii? #1 - Fenusa dohrnii Alnus host - Fenusa dohrnii Fenusa dohrnii Fenusa dohrnii
Classification
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 dohrnii (European Alder Leaf-mining Sawfly)
Other Common Names
European Alder Leafminer
Synonyms and other taxonomic changes
Caliosysphinga dohrni Tischbein, 1846
Explanation of Names
Fenusa dohrnii (Tischbein, 1846)
Size
♀ ~4 mm(1)
Range
holarctic; transcontinental in so. Canada & n. US south to PA-IL-UT-NM-OR(1)
Food
host: Alnus (alders); larvae mine in the leaves(1)
Life Cycle
Likely multiple generations per year(1)
Overwinter as larvae in the ground; pupation occurs in spring.(2)
Adults lay eggs in late May and early June. Full-grown larvae drop to the ground to pupate.(2)
A 2nd generation of adults appear from late July to early Sept.(2)
Remarks
males unknown(1)
Internet References
Edmunds, Rob. (2007). Fenusa dohrnii (Tischbein, 1846). British Leafminers.(3)
Pitkin, Brian, Willem N. Ellis, Colin Plant, & Rob Edmunds. (2007-2019). Fenusa dohrnii (Tischbein, 1846). The Leaf and Stem Mines of British Flies and Other Insects (Coleoptera, Diptera, Hymenoptera, and Lepidoptera).(4)
Ellis, Willem N. (2007). Fenusa dohrnii (Tischbein, 1846). Leafminers and plant galls of Europe.(5)
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.Eastern Forest Insects
Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.
3.British leafminers
4.Pitkin B., Ellis W., Plant C., Edmunds R. (2007-) The leaf and stem mines of British flies and other insects
5.Ellis W.N. (2007-) Leafminers of Europe