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Upcoming Events

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

Photos of 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

Previous events


Species Coccinella undecimpunctata - Eleven-spotted Lady Beetle

nine-spotted ladybird beetle? - Coccinella undecimpunctata 11 spotted lady beetle - Coccinella undecimpunctata Coccinella unidecempunctata - Coccinella undecimpunctata Eleven-spotted Ladybird? - Coccinella undecimpunctata Eleven-spotted Ladybird? - Coccinella undecimpunctata C11 - Coccinella undecimpunctata Eleven-spotted Ladybird  - Coccinella undecimpunctata Eleven-spotted Ladybird  - Coccinella undecimpunctata
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 Coccinelloidea
No Taxon (Coccinellid group)
Family Coccinellidae (Lady Beetles)
Subfamily Coccinellinae
Genus Coccinella
No Taxon (pale elytral suture)
Species undecimpunctata (Eleven-spotted Lady Beetle)
Explanation of Names
Coccinella (Spilota) undecimpunctata Linnaeus 1758
undecimpunctata = '11-dotted' (refers to the elytral pattern)
4.0-5.0 mm(1)
More elongate and less convex than any other species of Coccinella. Head with 2 well separated pale spots (C. novemnotata has a solid band) Elytral suture red, not or only slightly darker than the pale discal area. Elytron usually with 4 small round spots in addition to humeral and scutellar spot, the 2 submedian spots sometimes joined, the outer humeral spot sometimes lacking(1)
Pacific Northwest
Native to w. Palaearctic(2), adventive elsewhere, incl. NA: OH-NJ-NF-ON, OR-BC (map)(1), currently seems to be restricted to the Pacific Northwest (Smyth et al. 2013)
earliest record in our area: MA 1912(3)
Print References
Schaeffer C. (1912) Coccinella undecimpunctata Linn. in Massachusetts. Psyche 19: 104-105.
Smyth R.R., Allee L.L., Losey J.E. (2013) The status of Coccinella undecimpunctata (L.) (Coleoptera: Coccinellidae) in North America: an updated distribution from citizen science data. The Coleopterists Bulletin 67(4): 532–535.
Watson W.Y. (1979) North American distribution of Coccinella u. undecimpunctata L. (Coleoptera: Coccinellidae). Coleopterists Bull. 33: 85-86.
Wheeler A.G., Hoebeke E.R. (1981) A revised distribution of Coccinella undecimpunctata L. in eastern and western North America (Coleoptera: Coccinellidae). Coleopterists Bull. 35: 213-216.
Wheeler A.G., Hoebeke E.R. (2008) Rise and fall of an immigrant lady beetle: is Coccinella undecimpunctata L. (Coleoptera: Coccinellidae) still present in North America?. Proceedings of the Entomological Society of Washington 110(3): 817-823.
Internet References
Works Cited
1.The Coccinellidae (Coleoptera) of America North of Mexico
Robert D. Gordon. 1985. Journal of the New York Entomological Society, Vol. 93, No. 1.
2.Coleoptera Poloniae
3.The Coccinellidae (Coleoptera) of the Maritime Provinces of Canada: new records, biogeographic notes, and conservation concerns
Majka C.G., McCorquodale D.B. 2006. Zootaxa 1154: 49–68.