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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]
Oncopeltus fasciatus, known as the large milkweed bug, is a medium-sized hemipteran (true bug) of the family Lygaeidae. [2] It is distributed throughout North America, from Central America through Mexico and the Caribbean to southern areas in Canada. [2]
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 ...
Asclepias is a genus of herbaceous, perennial, flowering plants known as milkweeds, named for their latex, a milky substance containing cardiac glycosides termed cardenolides, exuded where cells are damaged. [4] [5] [6] Most species are toxic to humans and many other species, primarily due to the presence of cardenolides. However, as with many ...
These beetles feed by opening veins in the milkweed plant, decreasing the beetles' exposure to latex-like sap. [6] Mating milkweed beetles on common milkweed. The beetle vibrates when it is making a warning noise. A red milkweed beetle cutting milkweed vein to reduce/stop latex pressure before feeding beyond the cut.
Asclepias curtissii, or Curtiss's milkweed, is a rare species of flowering milkweed that is endemic to Florida's sandy areas. Curtiss's milkweed belongs to the subfamily Asclepiadoideae and the genus Asclepias. This dicotyledonous, perennial plant was placed on the endangered species list by the state of Florida to protect this rare milkweed ...
The popular migratory monarch butterfly has been listed as endangered, but South Carolina residents can help save the species. ... Such actions have led to a loss of milkweed, the host plant that ...
Asclepias meadii is a rare species of milkweed known by the common name Mead's milkweed. It is native to the American Midwest, where it was probably once quite widespread in the tallgrass prairie. [1] Today much of the Midwest has been fragmented and claimed for agriculture, and the remaining prairie habitat is degraded. [1]