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

National Moth Week was July 23-31, 2022! See moth submissions.

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

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Previous events


Species Profenusa thomsoni - Amber-marked Birch Leaf Miner

fenusine - Profenusa thomsoni Birch leafminer? - 1 - Profenusa thomsoni Birch Leafminer? - 2 - Profenusa thomsoni Trumpet mine on birch sapling - Profenusa thomsoni Bog Birch leaf blotch mine, larva - Profenusa thomsoni Bog Birch, opened blotch leaf mine  - Profenusa thomsoni River birch leaf mines - Profenusa thomsoni Profenusa thomsoni - Amber-marked Birch Leaf Miner - Profenusa thomsoni
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 Profenusa
Species thomsoni (Amber-marked Birch Leaf Miner)
Other Common Names
Birch Leaf Miner
Explanation of Names
Profenusa thomsoni (Konow 1886)
4 mm(1)
native to, and widespread across the Palaearctic(2), adventive in NA and now transcontinental in the north(1)
Late May to Jul, may continue to emerge late into Aug(1)
hosts: primarily, Betulaceae, common on a number of birch species (Betula)(1)
Introduced to NA early 1900s; spread westward, reached AB by 1970, reached Anchorage, AK ca. 1996
Internet References
Species pages: anon. [AB](1) | Soper et al. (2009) | Ellis (2007) (Europe)(3) | Edmunds (2007) (UK)(4) | Pitkin et al. (2007-) (UK)(5)