All swifts eat insects, such as aerial spiders, dragonflies, flies, ants, aphids, wasps and bees. Predators of butterflies include ants, spiders, wasps, and birds. The bats eat moths, beetles, dragonflies, flies, true bugs, wasps, and ants. The ants are attacked by tarantula hawk wasps. Many insects are parasites of other insects such as the parasitoid wasps. Beetles, wasps, and some lake flies parasitize neuropteran larvae. Aphids, grasshoppers and gall wasps appeared. Worker ants are long and resemble stout, reddish-black, wingless wasps. Goldenrods are attractive sources of nectar for bees, flies, wasps, and butterflies. Alberta, like other temperate regions, is home to mosquitoes, flies, wasps, and bees. They also provide a food source for birds, toads, spiders, wasps, and centipedes. This system is typical in bees and wasps. Cicada killers are large, solitary wasps in the family Crabronidae. Even parasitoid wasps are vulnerable to hyperparasitoid wasps. Like most other wasps, mud daubers are predators.