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Answer Key |
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Organism
A: Although the adults feed on nectar, the larvae of this insect are carnivorous. They only eat moth and butterfly caterpillars, including monarchs. The adults do not attack their prey by stinging. Instead, they repeatedly bite the caterpillars until they are a manageable size, and then carry pieces back to the paper nest to feed their hungry young. |
Organism
B: This clear-winged, brown-eyed organism is a parasite of moths and butterflies, including monarchs. The adult lays its eggs on the caterpillar. When the egg hatches, the maggot burrows through the caterpillar's skin and feeds on its internal organs. The monarch caterpillar dies as the larva of this insect emerges. |
Organism
C: These tiny insects have plump, pear-shaped bodies. They feed by sucking plant juices, and they excrete droplets of a sugary waste product called honeydew. Large numbers feed together in colonies. They are often called plant lice. When these insects are abundant they can damage the milkweed plant. |
Organism
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Organism
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Organism
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Organism
G: This organism is not an insect, but it is an insect predator. It can eat a wide variety of insects, inclucing monarchs. To feed, it injects venom into its prey. Next it pumps digestive juices that turn the prey's body tissues into a liquid that the creature can consume by sucking. If you find an empty monarch egg, or a larva with only its exoskeleton remaining, it may have been killed and eaten by this 8-legged predator. |
Organism
H: This insect's name includes "milkweed," the plant on which it spends all stages of its life. Like monarchs, its bold orange and black warning colors protect it from predators. This insect is classified as a "true bug," with characteristic sucking mouthparts. Milkweed is this bug's primary food source. However, when milkweed is scarce, it can shift from being a herbivore to a scavenger and predator. |
Organism
I: Milkweed flowers are among the many this fuzzy, nectivorous insect visits for food and to gather pollen for its young. You can often see this pollinator doing its job. Look closely at its legs where the pollen grains are stored in pollen sacs. Rarely, you can see this creature carrying the saddlebag shaped 'pollinarium" of the milkweed flower. |
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