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Brachygastra mellifica make paper nests that range in size from 40–50 cm in diameter. These nests are quite full and can house anywhere from 3,500 to 18,700 wasps. [3] The nest begins as a single irregular layer of cells attached to the first layer of carton on a branch. Clumps of cells on the branch are then extended into the first hanging ...
Predators either remove the nest whole or in large, broken pieces. The long colony cycle—from spring to late autumn—along with the common predation often requires that the wasps create a new nest at least once during a season. [1] In addition, the chances of a nest being removed or destroyed do not decrease with size of the colony. [1]
Polistes apachus is a social wasp native to western North America. [2] It is known in English by the common name Texas paper wasp, [3] [4] or southwestern Texas paper wasp. [5] It has also been called the Apache wasp, perhaps first by Simmons et al. in California in 1948.
Commonly uses small rodent nests, may use bird cavity nests. Small umbrella-shaped papery combs hanging horizontally in protected spaces such as attics, eaves or soil cavities. Large paper nest, upside down pear shaped, hanging from branches and eaves; also barns and attics. Some yellowjacket species nest in the ground.
Birds such as flickers, acorn woodpeckers, Mexican jays, and flycatchers are typical predators of M. flavitarsis. In addition to birds, ants will often try to invade the wasp nests. The wasps fight back by attempting to drive and throw the ants off the nest. They will also rub their abdomen on nest surfaces to deter ants from approaching.
Their most dangerous predators are birds, which will fly by and knock the nest to the ground. This phenomenon was discovered by the disappearance of nests, and wasp nests being found on the ground near the bird's nest. It has also been found that birds eat the larvae from the P. exclamans nest. This attack kills the whole nest but it isn't very ...
A single black-footed cat can dispatch between 10 and 14 rodents or birds in a single night, and they have a k*ll success rate of about 60%, which is about three times the success rate of a ...
It is set apart by its black and ivory coloration. The name "hornet" is used for this species primarily because of its habit of making aerial nests (similar to some of the true hornets) rather than subterranean nests. Another example is the Australian hornet (Abispa ephippium), which is actually a species of potter wasp.