Conclusion of no decline in summer monarch population not supported

Annals of the Entomological Society of America

Volumn 109, Issue 2, 2016, Pages 169-171

  Pleasants, John M ^a   Williams, Ernest H ^b   Brower, Lincoln P ^c   Oberhauser, Karen S ^d   Taylor, Orley R ^e  

^a IOWA STATE UNIVERSITY   (United States)

^b HAMILTON COLLEGE   (United States)

^c SWEET BRIAR COLLEGE   (United States)

^d UNIVERSITY OF MINNESOTA   (United States)

^e UNIVERSITY OF KANSAS   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84962381486     PISSN: 00138746     EISSN: None     Source Type: Journal    
DOI: 10.1093/aesa/sav115     Document Type: Letter

References (13)

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2. Brower, L. P., O. R. Taylor, E. H. Williams, D. A. Slayback, R. R. Zubieta, and M. I. Ramirez. 2012a. Decline of monarch butterflies overwintering in Mexico: Is the migratory phenomenon at risk? Insect Conserv. Divers. 5: 95-100.
3. Brower, L. P., O. R. Taylor, and E. H. Williams. 2012b. Response to Davis: Choosing relevant evidence to assess monarch population trends. Insect Conserv. Divers. 5: 327-329.
4. Crewe, T. L., and J. D. McCracken. 2015. Long-term trends in the number of monarch butterflies (Lepidoptera: Nymphalidae) counted on fall migration at Long Point, Ontario, Canada (1995-2014). Ann. Entomol. Soc. Am. 108: 707-717.
5. Davis, A. K. 2012. Are migratory monarchs really declining in eastern North America? Examining evidence from two fall census programs. Insect Conserv. Divers. 905: 101-105.
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8. North American Butterfly Association. 1994-2015. NABA butterfly counts, reports 1993 through 2014. North American Butterfly Association, Inc., Morristown, NJ.
9. Nail, K. R., C. Stenoien, and K. S. Oberhauser. 2015. Immature monarch survival: Effects of site characteristics, density, and time. Ann. Entomol. Soc. Am. 108: 680-690.
10. Oberhauser, K. S., M. D. Prysby, H. R. Mattila, D. E. Stanley-Horn, M. K. Sears, G. Dively, E. Olson, J. M. Pleasants, W. F. Lam, and R. L. Hellmich. 2001. Temporal and spatial overlap between monarch larvae and corn pollen. Proc. Natl. Acad. Sci. USA 98: 11913-11918.
11. Pleasants, J., and K. S. Oberhauser. 2013. Milkweed loss in agricultural fields because of herbicide use: Effect on the monarch butterfly population. Insect Conserv. Divers. 6: 135-144.
12. Ries, L., D. J. Taron, and E. Rendon-Salinas. 2015. The disconnect between summer and winter monarch trends for the eastern migratory population: Possible links to differing drivers. Ann. Entomol. Soc. Am. 108: 691-699.
13. Statistics Canada. 2015. (http://www.nass.usda.gov/Charts-and-Maps/ Crops-County/).