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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) » Heterarthrinae » Fenusini » Fenusella » Early Birch Leaf Edgeminer (Fenusella nana)

Species Fenusella nana - Early Birch Leaf Edgeminer

Birch mining sawfly larva - Fenusella nana

Edgeminers in my birch tree - Fenusella nana

Amber-Marked Birch Leaf Miner - leaf and larva - Fenusella nana

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 Fenusella

Species nana (Early Birch Leaf Edgeminer)

Synonyms and other taxonomic changes

Scolioneura laeta Enslin, Messa nana (Klug 1816)

Explanation of Names

Fenusella nana (Klug 1818)

Greek nanos (νανος) 'dwarf'

Size

avg. BL: ♀ 4.5 mm, ♂ (unknown in NA) 4-4.5 mm(1)

Range

native to, and widespread across n. Eurasia, adventive in NA (ne. US)(1)(2)(3), introduced from Europe

Season

The adult lays eggs in the spring

Food

hosts: birches(1), esp. white birch

Life Cycle

one generation per year; pupates in the soil and remains there until the next year

Remarks

The mine made by the larva starts at the end of a vein at a leaf's edge and it is plugged by frass [mine(4)]

earliest NA record: ME 1966(1)

Internet References

Species pages: Ellis (2007) (Europe)(5) | Edmunds (2007) (UK)(4) | Pitkin et al. (2007-) (UK)(6)

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.	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.

3.	Insects: Their Natural History And Diversity: With a Photographic Guide to Insects of Eastern North America Stephen A. Marshall. 2006. Firefly Books Ltd.

4.	British leafminers

5.	Ellis W.N. (2007-) Leafminers of Europe

6.	Pitkin B., Ellis W., Plant C., Edmunds R. (2007-) The leaf and stem mines of British flies and other insects

Contributed by Beatriz Moisset on 13 October, 2008 - 9:20pm
Additional contributions by Chuck Entz, ceiseman, v belov
Last updated 29 November, 2013 - 5:33pm

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