Checkerspot definitions

Checkerspot

1) Biannual magazine
Found on https://www.crosswordclues.com/clue/checkerspot

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Checkerspot

[magazine] Checkerspot was a biannual climate change magazine in Canada published by the Canadian Wildlife Federation. A free magazine, its inaugural issue was launched May 2007 and stopped production in 2009 due to the economic downturn. == Canadian Wildlife Federation == The Canadian Wildlife Federation, one of Canada’s largest non-prof...
Found on http://en.wikipedia.org/wiki/Checkerspot_(magazine)

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checkerspot

any of several butterflies of the genus Melitaea, having black wings with yellowish-brown, checkerlike markings.
Found on https://www.infoplease.com/dictionary/checkerspot

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