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These aphids primarily target milkweed plants so treating infestations can harm the pollinators that depend on milkweed for survival, including monarch butterflies and bees.
The eastern monarch migration largely depends upon only three milkweed species: common milkweed (Asclepias syriaca), green antelope horn milkweed , and antelope horns milkweed (A. asperula). [23] Butterfly gardens and monarch waystations in eastern and central North America should therefore feature one or more of those species, depending upon ...
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 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 ]
A monarch butterfly on swamp milkweed Asclepias syriaca seed pods, upper image from August and lower from December Milkweed sprout, a few days after sowing Chemical structure of oleandrin, one of the cardiac glycosides. Members of the genus produce some of the most complex flowers in the plant kingdom, comparable to orchids in complexity.
Monarch Watch is a volunteer-based citizen science organization that tracks the fall migration of the monarch butterfly. [1] It is self-described as "a nonprofit education, conservation, and research program based at the University of Kansas that focuses on the monarch butterfly, its habitat, and its spectacular fall migration ."
The caterpillars of the monarch butterfly feed on the foliage. The larva of the milkweed leaf-miner (Liriomyza asclepiadis) mine the leaves. Aphids that can be found on the plant include the yellow milkweed aphid (Aphis nerii), black aphid (Aphis rumicis), and the green peach aphid (Myzus persicae). [5] The ruby-throated hummingbird takes ...
You can easily spot the flower clusters (technically, umbellate cymes) in open meadows. Milkweed plants are a major food source for Monarch and Queen butterfly caterpillars and as with other milkweed plants, it bleeds white latex if a stem is cut and this sap is toxic to some animals and to humans.
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