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Both the milkweed tussock and the monarch caterpillars eat the cardiac glycoside-laden milky sap of milkweed and have evolved mechanisms to retain those toxins in their bodies after metamorphosing ...
Cynanchum laeve is a twining vine with heart-shaped leaves and commonly found in roadsides, fence rows, fields, and disturbed areas. C. laeve is easily recognized as a member of the Apocynaceae by its opposite leaves, [10] milky sap, and distinctive flowers and follicles ("milkweed pods"). The seeds are wind dispersed and can travel long ...
Fifth-instar monarch larva eating milkweed leaves (Some at 20 × speed). A second-instar larva grazing on leaf and cutting through a latex vein. The third-instar larva has more distinct bands and the two pairs of tentacles become longer. Legs on the thorax differentiate into a smaller pair near the head and larger pairs further back.
Four species are found in North America: the monarch butterfly (Danaus plexippus), the queen (Danaus gilippus), the tropical milkweed butterfly (Lycorea cleobaea), and the soldier butterfly (or "tropic queen", Danaus eresimus). Of these, the monarch is by far the most famous, being one of the most recognizable butterflies in the Americas.
Milkweed, of course, is the only food that monarch caterpillars eat, making it crucial for their survival. But here we come to the struggle between creating habitat and pretty landscapes in our yards.
In 2017, the U.S. Geological Service reported that as many as 1.8 billion additional milkweed stems would be needed in North America to restore the monarch butterfly population. It takes about 28. ...
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 ...
Milkweed aphids taste foul to many predatory insects because of the compounds they ingest from the milkweed plants. However, several beneficial bugs prey on milkweed aphids, including ladybugs ...