New York Natural Heritage Program
Two-spotted Lady Beetle
Adalia bipunctata (Linnaeus, 1758)
Insects

References
Cornell University. 2013. “The Lost Ladybug Project.” http://www.lostladybug.org/">www.lostladybug.org. (date accessed: December 29, 2013).
Gordon, R. 1985. The http://animaldiversity.ummz.umich.edu/accounts/Coccinellidae/">Coccinellidae (http://animaldiversity.ummz.umich.edu/accounts/Coleoptera/">Coleoptera) of America north of Mexico. Journal of the New York Entomological Society, 93: 1-912. 
Harmon, J.P., E. Stephens, and J. Losey. 2007. The decline of native coccinellids (Coleoptera: Coccinellidae) in the United States and Canada. Journal of Insect Conservation. 11: 85-94.
Keys, Jr.,J.; Carpenter, C.; Hooks, S.; Koenig, F.; McNab, W.H.; Russell, W.;Smith, M.L. 1995. Ecological units of the eastern United States - first approximation (cd-rom), Atlanta, GA: U.S. Department of Agriculture, Forest Service. GIS coverage in ARCINFO format, selected imagery, and map unit tables.
Marshall, S. 2000. "Lady Beetles of Ontario."  http://www.uoguelph.ca/debu/lady/lady-beetles.htm">http://www.uoguelph.ca/debu/lady/lady-beetles.htm. (Date accessed: January 15, 2014).
Martinez, Danielle. 2006. “Adalia bipunctata, two-spotted lady beetle.” https://instruct1.cit.cornell.edu/courses/icb344/abstracts/Two-spotted-ladybeetle.htm (date accessed: January 16, 2014).
NatureServe. 2005. NatureServe Central Databases. Arlington, Virginia. USA
NatureServe. 2015. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available http://www.natureserve.org/explorer. 
Poole, R. W., and P. Gentili (eds.). 1996. Nomina Insecta Nearctica: a checklist of the insects of North America. Volume 1 (Coleoptera, Strepsiptera). Entomological Information Services, Rockville, MD. Available online: http://www.nearctica.com/nomina/nomina.htm
Stephens, Erin and John Losey. 2003. The decline of C-9- New York State’s insect. The Xerces Society. Wings: Essays on Invertebrate Conservation. Fall 2003 pp. 8-12.
Street, R. 2001. "Adalia bipunctata" (On-line), Animal Diversity Web. http://animaldiversity.ummz.umich.edu/accounts/Adalia_bipunctata/">http://animaldiversity.ummz.umich.edu/accounts/Adalia_bipunctata/ (Date accessed January 16, 2014)

Acknowledgements

Funding from the NYSDEC Hudson River Estuary Program made the initial development of these guides possible.

Additional support has been provided by

Website architect: Andrew Blick.
Modifications and updates: David Marston and Matthew Buff.

Global data are provided by NatureServe and its Natural Heritage member programs, a leading source of information about rare and endangered species, and threatened ecosystems.

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To continue building a comprehensive, up-to-date database of information on the locations of rare species in New York State, we invite your contributions. If you have information on a rare species, please fill out our Online Rare Species Reporting Form. If you have information on ecological communities, please fill out a Natural Heritage Reporting Form (two-page MS Word document).

This guide was authored by: Hollie Y. Shaw
Information for this guide was last updated on: 04-Aug-2017