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The monarch butterfly or simply monarch (Danaus plexippus) is a milkweed butterfly ... no differences are noted between the sexes for monarch butterflies. ...
Monarch butterfly migration is the phenomenon, mainly across North America, where the subspecies Danaus plexippus plexippus migrates each autumn to overwintering sites on the West Coast of California or mountainous sites in Central Mexico. Other populations from around the world perform minor migrations or none at all.
The ZW sex-determination system is a chromosomal system that determines the sex of offspring in birds, some fish and crustaceans such as the giant river prawn, some insects (including butterflies and moths), the schistosome family of flatworms, and some reptiles, e.g. majority of snakes, lacertid lizards and monitors, including Komodo dragons.
Few insects are as beloved as the monarch butterfly. These fascinating creatures are beautiful, boldly colored and surprisingly strong — the North American monarch migrating thousands of miles ...
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 ...
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%.
Danainae is a subfamily of the family Nymphalidae, the brush-footed butterflies. It includes the Daniadae, or milkweed butterflies, who lay their eggs on various milkweeds on which their larvae (caterpillars) feed, as well as the clearwing butterflies , and the tellervini. [1] Some 300 species of Danainae exist worldwide.
The butterfly closely resembles the monarch butterfly (Danaus plexippus) of the Americas. The wingspan is 70 to 95 millimetres (2.8 to 3.7 in). Both sexes of the butterfly have tawny wings with veins marked with broad black bands. The male has a pouch on the hindwing. [4] [5] [6] The margins of the wings are black with two rows of white spots ...