While the foul flavor of ladybugs teaches most mammals and birds to avoid eating them, it does not affect toads, and they are frequent predators of these small, helpful insects. Toads use their long, sticky tongues to catch ladybugs, just as they do other flying insects.Continue Reading
Certain species of assassin bugs also eat ladybugs. These insects have a long beak with which they inject a toxin to dissolve tissue of their prey. In addition to ladybugs, their diet includes caterpillars, flies and mosquitoes.
Spiders also eat ladybugs trapped in their webs. In times when food is plentiful, the spider paralyzes the ladybug and spins it inside a protective web to store for leaner days.
Due to their natural defense system, ladybugs are better known for the prey they eat and not for being prey. Gardeners prize ladybugs for their role in eating aphids, a common pest for roses and other flowers, as well as for fruit trees and vegetable gardens. A single ladybug consumes thousands of aphids in its lifetime.
When aphid populations are low and ladybug populations are high, ladybugs eat other ladybugs, according to About.com. Most of the time this cannibalistic practice occurs after an adult ladybug molts her hard shell. However, hungry ladybugs also eat ladybug eggs and pupae when in search of protein.Learn more about Invasive Insects
Beetles are eaten by predators such as wasps, spiders, ants, mice, rats, moles shrews, salamanders, frogs, toads, birds, skunks and other beetles. In order to avoid being eaten, beetles run or hide in a tunnel when they are still larvae. A number of beetles have hard shells and can bite when defending themselves and others release toxic chemicals to discourage predators.Full Answer >
There are several poisons that are available on the market for killing ladybugs, according to BugSpray.com. These include insecticidal soap, cypermethrin and deltamethrin dust. If poison is not a method of choice, there are other options available.Full Answer >
Known predators of spiders include other spiders, praying mantis, wasps, ants, snakes, birds, scorpions, lizards and small mammals. Humans are also threats to spiders.Full Answer >
Alligators are predators, eating fish, birds, mammals, mollusks and other reptiles. They consume prey of increasingly larger size as they grow from juveniles to adults. Although their diet is primarily flesh-based, alligators do sometimes eat fruit.Full Answer >