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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 ...
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.
Euchaetes egle, the milkweed tiger moth or milkweed tussock moth, is a moth in the family Erebidae and the tribe Arctiini, the tiger moths. The species was first described by Dru Drury in 1773. It is a common mid- through late summer feeder on milkweeds and dogbane .
[4] [5] Male butterflies can also have O. elektroscirrha, and can scatter the dormant spores onto milkweed leaves as they fly around, or pass them onto females during mating. [ 6 ] Spores of O. elektroscirrha are ingested by the caterpillars when they eat their egg chorion (shell) after they hatch, and when they feed from infected milkweed.
Monarch females only lay eggs on milkweed and their caterpillars only eat milkweed. The hope is that the legislation will make it easier to plant more milkweed across Ohio.
A. tuberosa is a larval food plant of the queen and monarch butterflies, as well as the dogbane tiger moth, milkweed tussock moth, and the unexpected cycnia. [3] [12] Because of its rough leaves and trichomes, it is not a preferred host plant of the monarch butterfly but caterpillars can be reared on it successfully.
Caterpillars have been called "eating machines", and eat leaves voraciously. Most species shed their skin four or five times as their bodies grow, and they eventually enter a pupal stage before becoming adults. [23] Caterpillars grow very quickly; for instance, a tobacco hornworm will
Most milkweed plants grow best in full sun, while common milkweed is happiest in well-draining soil, and swamp milkweed may become stressed and prone to aphids if it’s not grown in moist earth ...