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Chrysochus cobaltinus, the cobalt milkweed beetle or blue milkweed beetle, is a member of the diverse family of leaf beetles, Chrysomelidae. It is named after its cobalt-blue exoskeleton, which makes it easy to spot and distinguish, and its tendency to feed off milkweed plants. It occurs in the Western United States and British Columbia. [3]
For a species to be considered endangered by the IUCN it must meet certain quantitative criteria which are designed to classify taxa facing "a very high risk of extinction". An even higher risk is faced by critically endangered species, which meet the quantitative criteria for endangered species. Critically endangered insects are listed ...
California milkweed: Native to central and southern California: Asclepias cordifolia: Heart-leaf milkweed: Native to the Sierra Nevada and Cascade Range up to 2,000 m (6,600 ft). Asclepias cryptoceras: Pallid milkweed: Native to the western United States. Asclepias curassavica: Scarlet milkweed, tropical milkweed, bloodflower, bastard ipecacuanha
Lygaeus kalmii kalmii Stal, 1874 – western small milkweed bug. Range includes Arizona (where it is very common in almost every sandy-grassy patch) and California, though California milkweed bugs are somewhat rare. The western subspecies has white spots and are seen with milkweed in bushy dry areas, but only for feeding, and in wet areas to ...
The Western population of the monarch butterfly hit a near-record low with fewer than 10,000 found living in California ... to list the butterfly as an endangered species. ... that milkweed leaves ...
The milkweed leaf beetle (Labidomera clivicollis) is a species of leaf beetle from the family Chrysomelidae. [2] It is round bodied, 8–11 mm in length with a black head and pronotum and bright orange to yellow elytra with variable mottled black patches.
California’s eco-bureaucrats halted a wildfire prevention project near the Pacific Palisades to protect an endangered shrub. It’s just the latest clash between fire safety and conservation in ...
All plant taxa that the State of California or U.S. Fish and Wildlife Service list as being threatened species, endangered species, or rare species in California, are included in the lists. [2] [3]: 10 They are continually updated with additions, changes, and deletions.