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Treebeard: Tiny Wasp (Hymenoptera) on manzanita leaf
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Treebeard: Tiny Wasp (Hymenoptera) on leaf - maybe a Gall Wasp (Cynipidae)?
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Treebeard: Bumblebee on Canyon Sunflower (Venegasia carpesioides, Asteraceae)
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Treebeard: Tiny Wasp (Hymenoptera) on Coast Live Oak (Quercus agrifolia) stem
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Treebeard: Beautiful Ichneumon Wasp (Ichneumonidae, Hymenoptera) on dead leaf of Coast Live Oak (Quercus agrifolia)
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Treebeard: Sawfly (Tenthredinidae, "Symphyta", Hymenoptera)
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Treebeard: Wild Bee (Apoidae, Hymenoptera) on Wild Blackberry (Rubus ursinus, Rosaceae) - maybe family Andrenidae?
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Treebeard: Wild Bee (Apoidea, Hymenoptera) on leaf of Canyon Sunflower (Venegasia carpesioides, Asteraceae)
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Treebeard: Not a wild bee, but a Cimbicid Sawfly (Cimbicidae, Hymenoptera) - maybe genus Abia
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Treebeard: Chubby little Wasp (Hymenoptera) on a leaf - maybe a Cynipid Gall Wasp (Cynipidae)?
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Treebeard: Western Paper Wasp (Mischocyttarus flavitarsis, Vespidae, Hymenoptera)
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Treebeard: Not a wild bee, but a Cimbicid Sawfly (Cimbicidae, Hymenoptera) - maybe genus Abia
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Treebeard: Honey Bees (Apis mellifera, Hymenoptera) working a new flower of native Canyon Sunflower (Venegasia carpesioides, Asteraceae)
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Treebeard: Furry Bumblebee (Bombus, Hymenoptera) on flowers of Wild Sweetpea (Lathyrus latifolius, Fabaceae)
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Treebeard: Not a wild bee, but a Cimbicid Sawfly (Cimbicidae, Hymenoptera) - maybe genus Abia
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Treebeard: Chubby little Wasp (Hymenoptera) - maybe a Cynipid Gall Wasp (Cynipidae)?
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Treebeard: Wild Bee (Apoidae, Hymenoptera) on Wild Cucumber (Marah fabaceous, Cucurbitaceae) - maybe Megachilidae?
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Treebeard: Beautiful little wasp (Hymenoptera) - maybe family Ichneumonidae?
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Treebeard: Tiny Wild Bee (Apoidae, Hymenoptera) on Wild Sweetpea (Lathyrus latifolius, Fabaceae) flowers
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Treebeard: Different tiny Wild Bee (Apoidae, Hymenoptera) in flower of native Wild Blackberry (Rubus ursinus, Rosaceae)
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Treebeard: Different tiny Wild Bee (Apoidae, Hymenoptera) on a petal of Wild Blackberry (Rubus ursinus, Rosaceae)
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Treebeard: Large wasp (Hymenoptera) trying to get warm in the sun
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Treebeard: Ferocious-looking wasp (Hymenoptera) trying to get warm
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Treebeard: Large black male Carpenter Bee - maybe Xylocopa tabaniformis? - (Anthophoridae, Hymenoptera)
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Treebeard: Little bee flying into flower of Pitcher Sage (Lepechinia calycina, Lamiaceae)
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Treebeard: Wild Bee (Apoidae, Hymenoptera) on a flower of Wild Blackberry (Rubus ursinus, Rosaceae)
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Treebeard: Large male Carpenter Bee (Xylocopa tabaniformis?, Anthophoridae, Hymenoptera on Wild Sweetpea (Lathyrus latifolius, Fabaceae)
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Treebeard: Wild Bee (Apoidae, Hymenoptera) on a damp rock
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Treebeard: Carpenter Bee (Anthophoridae, Hymenoptera) - maybe Xylocopa tabaniformis? - on cultivar of Douglas iris (Iris douglasiana, Iridaceae)
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Treebeard: Little wasp (Hymenoptera) carrying a caterpillar down a tendril of Wild Sweetpea (Lathyrus latifolius, Fabaceae)