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Monarch butterfly caterpillar D. p. plexippus Piedra Herrada, Mexico. The monarch butterfly or simply monarch (Danaus plexippus) is a milkweed butterfly (subfamily Danainae) in the family Nymphalidae. [6] Other common names, depending on region, include milkweed, common tiger, wanderer, and black-veined brown. [7]
The monarch butterfly is easily identified by its bold orange, black and white coloring. This fascinating insect goes through an amazing life cycle consisting of four stages: egg, larvae, pupa ...
Since then, it has been found in every monarch population examined to date, including monarchs sampled in North America, Hawaii, Australia, Cuba, and Central and South America. Dormant spores occur on the cuticles of butterflies, in between the butterfly's scales. They are small, brown or black objects about 1/100 the width of a butterfly scale.
The Black Death was a bubonic plague pandemic that occurred in Europe from 1346 to 1353. It was one of the most fatal pandemics in human history; as many as 50 million people [2] perished, perhaps 50% of Europe's 14th century population. [3] The disease is caused by the bacterium Yersinia pestis and spread by fleas and through the air.
Unlike the flashy orange and black warning colors of an adult monarch butterfly, the adult milkweed tussock moth has wings of a muted gray but does retain some yellow and black striping on its ...
A fat monarch caterpillar dines on a narrow leaf milkweed in June at the Westwood Greenway between Overland Avenue and Westwood Boulevard in Los Angeles. (Mel Melcon/Los Angeles Times)
Papilio polyxenes, the (eastern) black swallowtail, American swallowtail or parsnip swallowtail, [4] is a butterfly found throughout much of North America. An extremely similar-appearing species, Papilio joanae , occurs in the Ozark Mountains region, but it appears to be closely related to Papilio machaon , rather than P. polyxenes .
Southward migrating monarchs resting on a pine tree in Fire Island National Seashore on Long Island, New York (September 2021). Although the exact dates change each year, by the end of October, the population of monarchs east of the Rocky Mountains migrates to the sanctuaries of the Mariposa Monarca Biosphere Reserve within the Trans-Mexican Volcanic Belt pine-oak forests in the Mexican states ...