Library

Welcome to the monarch library! Our goal is to include all peer-reviewed articles on monarch biology with links to sites that will give you the easiest direct access to each article. Please contact leslie.ries@georgetown.edu if you 1) know of an article not included, 2) find a mistake in any of the listed articles, 3) know of a better link to access an article. Thanks! With your help we can provide the most complete, informative access to all papers on monarch biology.

Field Definitions

First author: Last name of the first author
Type: Article or book chapter
Year: Publication year
Source: Journal or book
Category*: Broad scope of the publication.
Research topic (monarch & supporting research only)*: Specific topic.
Geographic focus*: Geographic setting for field studies.
Monitoring data used: Data from monitoring or public data efforts.
* Full list

12 result(s)
Category: Population dynamics, Monarch research
Type: Article
Year: 2021
Zylstra, E.R., Ries, L., Neupane, N. et al. Changes in climate drive recent monarch butterfly dynamics. Nat Ecol Evol (2021). https://doi.org/10.1038/s41559-021-01504-1

Category: Population dynamics
Type: Article
Year: 2017
Pleasants JM, Zalucki MP, Oberhauser KS, Brower LP, Taylor OR, Thogmartin WE. Interpreting surveys to estimate the size of the monarch butterfly population: Pitfalls and prospects. PloS one. 2017 Jul 14;12(7):e0181245.

Category: Population dynamics
Type: Article
Year: 2016
Inamine H, Ellner SP, Springer JP, Agrawal AA. Linking the continental migratory cycle of the monarch butterfly to understand its population decline. Oikos. 2016 Apr 1.

Category: Population dynamics
Type: Article
Year: 2016
Espeset AE, Harrison JG, Shapiro AM, Nice CC, Thorne JH, Waetjen DP, Fordyce JA, Forister ML. Understanding a migratory species in a changing world: climatic effects and demographic declines in the western monarch revealed by four decades of intensive monitoring. Oecologia. 2016 Mar 21:1-2.

Category: Monarch research, Population dynamics
Type: Book Chapter
Year: 2015
Ries L, Oberhauser KS, Taron DJ, Rendon-Salinas E. 2015. Connecting eastern monarch population dynamics across their migratory cycle in Oberhauser KS, Nail KR, Altizer SM, eds. Monarchs in a Changing World: Biology and Conservation of an Iconic Insect. Ithaca, USA: Cornell University Press.

Category: Population dynamics
Type: Article
Year: 2015
Ries L, Taron DJ, Rendon-Salinas E. (Online Early.) The Disconnect Between Summer and Winter Monarch Trends for the Eastern Migratory Population: Possible Links to Differing Drivers. Annals of the Entomological Society of America.

Category: Monarch research, Population dynamics
Type: Article
Year: 2007
Vandenbosch R. 2007. What do monarch population time series tell us about eastern and western population mixing? Journal of the Lepidopterists Society 61: 28.

Category: Monarch research, Population dynamics
Type: Article
Year: 2006
Koenig WD. 2006. Spatial synchrony of monarch butterflies. American Midland Naturalist 155: 39-49.

Category: Monarch research, Population dynamics
Type: Article
Year: 2004
Yakubu AA, Saenz R, Stein J, Jones LE. 2004. Monarch butterfly spatially discrete advection model. Mathematical Biosciences 190: 183-202.

Category: Monarch research, Orientation
Type: Article
Year: 1996
Brower LP. 1996. Monarch butterfly orientation: Missing pieces of a magnificent puzzle. Journal of Experimental Biology 199: 93-103.

Category: Monarch research, Migration
Type: Article
Year: 1996
Walton RK, Brower LP. 1996. Monitoring the fall migration of the monarch butterfly Danaus plexippus L. (Nymphalidae: Danainae) in eastern North America: 1991- 1994. Journal of the Lepidopterists' Society 50: 1.

Category: Monarch research, Population dynamics
Type: Article
Year: 1995
Swengel AB. 1995. Population fluctuations of the monarch (Danaus-plexippus) in the 4th of July butterfly count 1977-1994. American Midland Naturalist 134: 205-214.



This database is a work in progress and is likely to contain several omissions and mistakes.
Please contact leslie.ries@georgetown.edu with any additions or corrections.