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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 ]
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]
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. When startled, the beetles make a shrill noise, while they make a 'purring' noise when interacting with another beetle. [6]
The beetle is 9 to 12 mm (0.35 to 0.47 in) long and is yellow to bright red with black spots. It is one of the largest leaf beetles native to North America. The name Argus comes from the mythical Greek giant Argus Panoptes , who was sometimes depicted with 100 eyes, because the beetle is able to stretch out its red head beyond its pronotum , as ...
Lygaeus kalmii angustomarginatus Parshley, 1919 – eastern small milkweed bug 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.
Tetraopes basalis, also known as the western milkweed longhorn beetle, is a species of beetle in the family Cerambycidae. It was described by John Lawrence LeConte in 1852. It is known from the United States. [1] The western milkweed longhorn beetle is most often seen from April to August, feeding on all parts of its Asclepias host plants. [2]
A monarch butterfly feeding on milkweed. (Shutterstock) The U.S. Fish and Wildlife Service is pushing for added protections for the monarch butterfly after seeing a population decline of about 80%.
Oncopeltus is a genus of seed bugs in the family Lygaeidae, which has at least 40 described species. [1] [2] [3] [4]Oncopeltus varicolor Large milkweed bug molting from third to fourth instar.