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Treebeard: Propertius Duskywing (Erynnis propertius) butterfly on Eastwood Manzanita (Arctostaphylos glandulosa)
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Treebeard: Sonoran Blue (Philotes sonorensis, Lepidoptera) butterfly
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Treebeard: Early female California Dogface (Colias eurydice) butterfly on Woolly Indian Paintbrush (Castilleja foliolosa, Scrophulariaceae)
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Treebeard: Grass-Skipper (Hesperia, Hesperiidae) butterfly on flower of Wild Sweetpea (Lathyrus latifolius, Fabaceae) - maybe an Umber Skipper (Poanes melane)?
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Treebeard: Sonoran Blue (Philotes sonorensis) butterfly on its larval food plant, the Southern California Dudleya (Dudleya lanceolata, Crassulaceae)
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Treebeard: Shockingly green Bramble Hairstreak (Callophrys dumetorum) butterfly on English Plantain (Plantago lanceolata) flower
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Treebeard: Mournful Duskywing (Erynnis tristis) butterfly, but cp the Funereal Duskywing (E. funeralis)
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Treebeard: Pale Swallowtail (Papilio eurymedon) butterfly
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Treebeard: Demon face on hindwings of Pale Swallowtail (Papilio eurymedon) butterfly
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Treebeard: Pale Swallowtail (Papilio eurymedon) butterfly catching sun on Coyote Bush (Baccharis pilularis, Asteraceae)
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Treebeard: Brown Elfin (Callophrys augustinus) butterfly on Eastwood Manzanita (Arctostaphylos glandulosa, Ericaceae)
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Treebeard: Moth-like Common Ringlet (Coenonympha tullia) butterfly
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Treebeard: Early female California Dogface (Colias eurydice) butterfly working flowers of Prickly-Phlox (Leptodactylon californicum, Polemoniaceae)
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Treebeard: Pale Swallowtail (Papilio eurymedon) butterfly on flowers of Prickly-Phlox (Leptodactylon californicum, Polemoniaceae)
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Treebeard: Propertius Duskywing (Erynnis propertius) butterfly taking "water from the rock"
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Treebeard: Silvery Blue (Glaucopsyche lygdamus) butterfly - trying to get warm
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Treebeard: Bramble Hairstreak (Callophrys dumetorum) butterfly ovipositing on Deerweed (Lotus scoparius, Fabaceae)
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Treebeard: Beautiful green Bramble Hairstreak (Callophrys dumetorum) butterfly on Deerweed (Lotus scoparius, Fabaceae)
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Treebeard: Silvery Blue (Glaucopsyche lygdamus) butterfly ovipositing on native Deerweed (Lotus scoparius, Fabaceae)
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Treebeard: The first California Sister (Adelpha bredowii) butterfly - high in the oaks
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Treebeard: Grass-Skipper (Hesperia, Hesperiidae) butterfly on Prickly-Phlox (Leptodactylon californicum, Polemoniaceae) - maybe the Umber Skipper (Poanes melane)?
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Treebeard: Tattered Painted Lady (Vanessa cardui) butterfly on native California Thistle (Cirsium occidentale var. californicum, Asteraceae)
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Treebeard: Silvery Blue (Glaucopsyche lygdamus) butterfly ovipositing on native Deerweed (Lotus scoparius, Fabaceae)
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Treebeard: Silvery Blue (Glaucopsyche lygdamus) butterfly perched on a leaf
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Treebeard: Bramble Hairstreak (Callophrys dumetorum) butterfly ovipositing on Deerweed (Lotus scoparius, Fabaceae)
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Treebeard: Beautiful green Bramble Hairstreak (Callophrys dumetorum) butterfly ovipositing on Deerweed (Lotus scoparius, Fabaceae)
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Treebeard: Acmon Blue (Plebejus acmon) butterfly perched on native Deerweed (Lotus scoparius, Fabaceae)
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Treebeard: Grass-Skipper (Hesperia, Hesperiidae) butterfly native Wild Blackberry (Rubus ursinus, Rosaceae)
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Treebeard: Love play among Grass-Skipper (Hesperia, Hesperiidae) butterflies!
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Treebeard: Beautiful male Silvery Blue (Glaucopsyche lygdamus) butterfly