[Leps-l] Mass butterflies - increase in southern species

[Chip Taylor]

http://www.boston.com/news/local/massachusetts/articles/2012/08/20/study_southern_butterfly_species_growing_in_mass/
--
Chip Taylor
ch...@ku.edu
Monarch Watch
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[Paul Cherubini]

Study covers only a 30 year period. Historically since the late 1800's
there have been 30 year cycles of global warming and slight cooling:
http://tinyurl.com/btvhl37
http://imageshack.us/a/img145/8586/heathh.jpg

This year the warm adapted butterfly species in Massachusetts might
not fare as well as they did last year:
http://img199.imageshack.us/img199/6862/snowcoversus.jpg

Paul Cherubini
El Dorado, Calif.

[Dana, Robert , DNR]

Snow is a pretty effective insulation from seriously cold temperatures. It will certainly be interesting to see what survived here in MN (we did have some cold episodes when there was little snow cover).