Chews Ridge, Tassajara Rd - Los Padres National Forest, Monterey County, California
Possible Female Allen’s, mating display by another Allen’s visitor.
Caterpillar
Butterfly was attracted to a spring coming out of a cliff along side of the road.
California Tortoiseshell (Nymphalis californica) is a medium-sized butterfly in the Brush-footed Butterflies (Nymphalidae) family with a wingspan of 1.75-2.25 inches. Overwintering adults can be seen January-May. They have migratory flights May-June where great numbers can be seen at once. Adults overwinter in low elevation coastal canyons. Larval food plant where adult lays the eggs is Ceanothus. Favorite adult nectar plant is California Buckeye. They are also seen on fruit and scat. They are avid puddlers, where they sip minerals from moist sand or mud.
Butterflies of Monterey County: A comprehensive guide to finding and identifying 91 species of butterflies in Monterey County, pp, 132-133.
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BUTTERFLY and CATERPILLAR (Annotated References):
In California, there are about 240 species of butterflies. There are more than 3,000 species of MOTHS, which represent 4 suborders in about 50 families. Butterflies have clubbed antennae, moths do not. Many moths are nocturnal, but not all.
Field Guide to California Insects, by Kip Will, J. Gross, D. Rubinoff , J. Powell, 2nd ed., 2020 (Lepidoptera, pp. 347-426)
Butterflies of Monterey County: A comprehensive guide to finding and identifying 91 species of butterflies in Monterey County, by Chris Tenney and photograher Jan Austin, August 2023 and companion website: https://www.montereybutterflies.online/
Glossary of Butterfly (and Moth) Terminology: https://butterfly.ucdavis.edu/resources/glossary
Butterflies of the San Francisco Bay and Sacramento Valley Regions: A Field Guide, Arthur M. Shapiro and Timothy D. Manolis, 2007
Law's Field Guide to the Sierra Nevada, John Muir Laws, California Academy of Sciences, 2007
eButterfly: (2115+ species) https://www.e-butterfly.org/ebapp/en/observations/explore
BugGuide: Butterflies and Moths (U.S. and Canada) clickable categories or use search bar: https://bugguide.net/node/view/57
Butterfly Wing Areas and Body Parts (diagram)
Butterflies Through Binoculars: The West: a field guide to the butterflies of western North America, by Jeffrey Glassberg, 2001, p. 40.
Butterflies Through Binoculars: The West: a field guide to the butterflies of western North America, by Jeffrey Glassberg, 2001
Butterflies and Moths of North America https://www.butterfliesandmoths.org/species_search
Butterflies of Central and Northern California, a laminated pamphlet (guide to common and notable species) by Jim Brock, 2023
Caterpillar Anatomy diagram and Butterfly Basics: https://www.enchantedlearning.com/subjects/butterfly/activities/printouts/caterpillarprintout.shtml Life Cycle of a Butterfly: Egg --> Larva (the caterpillar) --> Pupa (the chrysalis or cocoon) --> Adult.
Caterpillars: INaturalist Project https://www.inaturalist.org/projects/california-caterpillars
Not in good health?