©
Treebeard: Tiny caterpillar (Lepidoptera) on a leaf of Wild Sweetpea (Lathyrus latifolius, Fabaceae)
©
Treebeard: Caterpillars of Variable Checkerspot (Euphydryas chalcedona) butterfly on Climbing Penstemon (Keckiella cordifolia, Scrophulariaceae)
©
Treebeard: Small caterpillar weaving a web between leaves of Wild Sweetpea (Lathyrus latifolius) and Canyon Sunflower (Venegasia carpesioides)
©
Treebeard: Pretty caterpillar on flower bud of native Canyon Lupine (Lupinus latifolius, Fabaceae)
©
Treebeard: Cocoon of a Ribbed Casemaker Moth (genus Bucculatrix, Bucculatricidae, Lepidoptera)
©
Treebeard: A skinny "woolly bear" - a caterpillar of a Tiger Moth (Arctiidae, Lepitoptera)
©
Treebeard: Social caterpillars of the Variable Checkerspot (Euphydryas chalcedona) butterfly on foliage of Climbing Penstemon (Keckiella cordifolia, Scrophulariaceae)
©
Treebeard: Tiny caterpillars hatching from a nest - maybe Western Tussock Moth (Lymantriidae, Lepidoptera)
©
Treebeard: Little "looper" caterpillar (Lepidoptera) on Common Bedstraw (Galium aparine, Rubiaceae)
©
Treebeard: Caterpillar of a Variable Checkerspot (Euphydryas chalcedona) butterfly, with raindrops
©
Treebeard: Clown-colored caterpillar of the Western Tussock Moth (Lymantriidae, Lepidoptera) - probably Orgyia vetusta
©
Treebeard: Fanciful caterpillar of the Western Tussock Moth (Lymantriidae, Lepidoptera) - probably Orgyia vetusta
©
Treebeard: Fanciful caterpillar of Western Tussock Moth (Lymantriidae, Lepidoptera) - probably Orgyia vetusta
©
Treebeard: Neat little nest of caterpillar in rolled-up leaf of Coffeeberry (Rhamnus californica or R. tomentella, Rhamnaceae)
©
Treebeard: Unknown caterpillars on a leaf of Canyon Lupine (Lupinus latifolius, Fabaceae)
©
Treebeard: Well-camouflaged caterpillar on Blue Elderberry (Sambucus mexicana, Caprifoliaceae)
©
Treebeard: Remarkable caterpillar of the Western Tussock Moth (Lymantriidae, Lepidoptera)
©
Treebeard: Caterpillars of Variable Checkerspot (Euphydryas chalcedona) butterfly on Climbing Penstemon (Keckiella cordifolia, Scrophulariaceae)
©
Treebeard: Broken WHITE flower head is the nest of a caterpillar of a American Lady (Vanessa virginiensis) butterfly on Fragrant Everlasting (Gnaphalium canescens, Asteraceae)
©
Treebeard: Tiny caterpillars under webbing on non-native Butterfly Bush (Buddleia davidii, Scrophulariaceae) - likely the Variable Checkerspot (Euphydryas chalcedona) butterfly
©
Treebeard: Web of tiny Variable Checkerspot (Euphydryas chalcedona) butterfly caterpillars on Climbing Penstemon (Keckiella cordifolia, Scrophulariaceae)
©
Treebeard: Caterpillars of the Cinnabar Moth (Tyria jacobaeae, Lepidoptera) munching flowers of Tansy Ragwort (Jacobaea vulgari, Asteraceae)
©
Treebeard: Different "looper" type caterpillar (Lepidoptera) on California Buckwheat (Eriogonum fasciculatum, Polygonaceae)
©
Treebeard: Pretty good camouflage - can you spot the critter on California Buckwheat (Eriogonum fasciculatum, Polygonaceae)?
©
Treebeard: Pretty good camouflage - "looper" caterpillar (Lepidoptera) on California Buckwheat (Eriogonum fasciculatum, Polygonaceae)
©
Treebeard: Pupal nest of a Western Tussock Moth (Lymantriidae, Lepidoptera) - with a hole
©
Treebeard: Strange insect nest on native Scrub Oak (Quercus berberidifolia, Fagaceae)
©
Treebeard: Tiny "looper" caterpillar on Coyote Bush (Baccharis pilularis, Asteraceae) - maybe an Emerald moth (Synchlora, Geometridae, Lepidoptera)
©
Treebeard: Tiny cocoon of a Ribbed Casemaker Moth (Bucculatrix, Buccularicidae, Lepidoptera) on a Coast Live Oak (Quercus agrifolia, Fagaceae) leaf - Live Oak Ribbed Casemaker (Bucculatrix albertiella) moth
©
Treebeard: "Woolly Bear" caterpillar of a Tiger Moth (Arctiidae, Lepitoptera)