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Author: Dan Nelson

Enallagma carunculatum (Tule Bluet)

September 25, 2020 Dan Nelson 2 Comments

This small (TL 25-35mm) member of the family Coenagrionidae (pond damsels) is a creature of slow or still water areas,…

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Posted in: Animals, Arthropoda, Coenagrionidae, Enallagma, Insecta, Odonata (Dragonflies and Damselflies), Plants, Species Profiles, Zygoptera (Damselflies) Filed under: Enallagma carunculatum, Tule Bluet

Psyllobora vigintimaculata (Twenty-spotted Lady Beetle)

Dan Nelson 3 Comments

This is a tiny (2-3mm) lady beetle (Coccinellidae) in the genus Psyllobora (Fungus-eating Lady Beetles). It is found region wide…

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Posted in: Animals, Arthropoda, Coccinellidae (Lady Beetles), Coleoptera (Beetles), Insecta, Plants, Psyllobora, Species Profiles Filed under: 20-spotted Lady Beetle, Psyllobora vigintimaculata

Archilestes californica (California Spreadwing)

September 24, 2020 Dan Nelson Leave a comment

This is the largest (total length 45-50mm) spreadwing damselfly in our region, and is identifiable on that basis alone. It…

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Posted in: Animals, Archilestes, Arthropoda, Insecta, Lestidae (Spreadwings), Odonata (Dragonflies and Damselflies), Plants, Species Profiles, Zygoptera (Damselflies) Filed under: Archilestes californica, California Spreadwing

Mantis religiosa (European Mantis, Praying Mantis)

September 23, 2020 Dan Nelson 3 Comments

Mantis religiosa is a large insect with adults ranging in length, including wings, from 47mm (males) to 75mm (females). They…

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Posted in: Animals, Arthropoda, Insecta, Mantidae, Mantis, Mantodea, Species Profiles Filed under: European Mantis, Mantis religiosa

Argiope trifasciata (Banded Garden Spider)

Dan Nelson 9 Comments

This is a large (body length 15-20mm for females; 4-6mm males) orbweaver (family Araneidae), with a silver carapace and banded…

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Posted in: Animals, Arachnida, Araneae (Spiders), Araneidae, Argiope, Arthropoda, Species Profiles Filed under: Argiope trifasciata, Banded Garden Spider

Calligrapha californica (Tickseed Leaf Beetle)

September 22, 2020 Dan Nelson 3 Comments

Calligrapha californica are small (5-8mm) Chrysomelidae (leaf beetles) that, in their native habitat within our region, are primarily associated with…

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Posted in: Animals, Arthropoda, Calligrapha, Chrysomelidae (Leaf Beetles), Insecta, Species Profiles Filed under: Calligrapha californica, Tickseed Leaf Beetle

Bidens cernua (Nodding Beggarticks)

September 21, 2020 Dan Nelson 5 Comments

This is a common wetlands plant, which blooms from late summer into fall. It is erect, up to 40” tall,…

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Posted in: Angiosperms (Flowering Plants), Asteraceae (Sunflowers), Asterales, Eudicots, Plants, Species Profiles Filed under: Bidens cernua, Nodding Beggarticks

Rumex obtusifolius (Broad-leaved Dock)

Dan Nelson 2 Comments

Broad-leaved Dock is a perennial plant native to Europe, but has become naturalized world wide. It is an invasive species…

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Posted in: Angiosperms (Flowering Plants), Caryophyllales, Eudicots, Plants, Polygonaceae, Rumex, Species Profiles Filed under: Bitter Dock, Broad-leaved Dock, Rumex obtusifolius

Lycaena helloides (Purplish Copper)

September 20, 2020 Dan Nelson 2 Comments

This is by far the most abundant copper west of the Cascades, and the only copper that is found region…

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Posted in: Animals, Arthropoda, Insecta, Lepidoptera (Moths and Butterflies), Lycaena, Lycaenidae, Species Profiles Filed under: Lycaena helloides, Purplish Copper

Melanoplus sanguinipes (Migratory Grasshopper)

Dan Nelson 2 Comments

This is a spurthroated grasshopper (Melanoplinae), so called because of a small, but readily visible when in hand, spine between…

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Posted in: Acrididae (Grasshoppers and their kin), Animals, Arthropoda, Insecta, Melanoplinae, Melanoplus, Orthoptera (Grasshoppers, crickets, katydids, and their allies), Species Profiles Filed under: Melanoplus sanguinipes, Migratory Grasshopper

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