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

Upcoming Events

National Moth Week photos of insects and people. Here's how to add your images.

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

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

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Species Nanophyes marmoratus - Flower Bud Weevil

Brentidae, lateral - Nanophyes marmoratus Brentidae, frontal - Nanophyes marmoratus Flower Bud Weevil - Nanophyes marmoratus   - Nanophyes marmoratus Anthonomus ? - Nanophyes marmoratus Microon canadense ? - Nanophyes marmoratus Primitive Weevil - Nanophyes marmoratus Weevil beetle - Nanophyes marmoratus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea (Snout and Bark Beetles)
Family Brentidae (Primitive Weevils)
Subfamily Nanophyinae
Genus Nanophyes
Species marmoratus (Flower Bud Weevil)
Other Common Names
Loosestrife Seed Weevil(1), Purple Loosestrife Flower Weevil, Loosestrife Weevil
Synonyms and other taxonomic changes
Nanophyes lythri (Fabricius 1787)
Explanation of Names
Nanophyes marmoratus (Goeze 1777)
2-2.5 mm(1)
native to, and widespread across w. Eurasia (Europe to w. Siberia), intentionally introduced into Canada, established in QC-MB, NY, NJ, MI, MN, and across w. US (WA-CA to ID-CO)(2)(3)
hosts: Lythrum spp.; larvae develop in flower buds & fruit(4)
introduced to NA to control purple loosestrife (Lythrum salicaria)(5); first released in 1994 (MB, NY, MN)(2)
Internet References
Fact sheets: anon. (WA)(1) | anon. (MN) | (1998) (MB) | Davis et al. (2002-2009)(6) | Fofonoff et al. (2005)(7) |