Hornet

Hornet 

Vespidae
Photo: Close-up of a hornet on a plant
Hornets eat leaves and tree sap but are also accomplished predators, feeding on flies, bees, and other insects.
Photograph by H.L. Fox/Animals Animals
Hornets are wasps of the genusVespa, closely related to (and resembling) yellowjackets. There are about 20 hornet species. Most live in tropical Asia, but the insects are also found in Europe, Africa, and North America, where the European hornet was introduced by humans.
These social insects construct hives by chewing wood into a papery construction pulp. They mature from egg to adult inside the community hive.
Queens dominate hornet hives and are the only females to reproduce. Most other hornets are asexual female workers that perform essential community duties such as building the hive, gathering food, feeding the young, and protecting the colony. Males are few and they have only one real role—mating with the queen. Males typically die soon after their sexual task is complete.
In colder climes, hornet nests are abandoned in winter and only new, young queens (and their eggs) survive the season by finding protected areas under tree bark or even inside human dwellings. In the spring, such a queen will begin a new nest, and soon her young will become workers and take over the chores of the new hive—leaving the queen to tend to reproduction. She will produce more workers to expand the hive and then, before she dies, yield a breeding generation of new queens and males (drones) to restart the cycle of life.
These insects eat some tree sap but they are also accomplished predators. A hornet hive will eliminate many flies, bees, and other insects.
Workers defend their hive with potent stingers. Though these insects do not sting humans unless provoked, some people are allergic to their venom and can have very dangerous reactions to a sting.
Read full here... http://animals.nationalgeographic.com/animals/bugs/hornet/#close-modal

Ant

Ant


Formicidae
Photo: A leaf-cutter ant carrying leaf
One of 10,000 species of ants, this leaf-cutter ant hauls a leaf more than three times its size back to the nest.
Photograph by Roy Toft
Ants are common insects, but they have some unique capabilities. More than 10,000 known ant species occur around the world. They are especially prevalent in tropical forests, where they may be up to half of all the insects living in some locations.
Ants look much like termites, and the two are often confused—especially by nervous homeowners. However, ants have a narrow "waist" between the abdomen and thorax, which termites do not. Ants also have large heads, elbowed antennae, and powerful jaws. These insects belong to the order Hymenoptera, which includes wasps and bees.
Enthusiastically social insects, ants typically live in structured nest communities that may be located underground, in ground-level mounds, or in trees. Carpenter ants nest in wood and can be destructive to buildings. Some species, such as army ants, defy the norm and do not have permanent homes, instead seeking out food for their enormous colonies during periods of migration.
Ant communities are headed by a queen or queens, whose function in life is to lay thousands of eggs that will ensure the survival of the colony. Workers (the ants typically seen by humans) are wingless females that never reproduce, but instead forage for food, care for the queen's offspring, work on the nest, protect the community, and perform many other duties.
Male ants often have only one role—mating with the queen. After they have performed this function, they may die.
Ants communicate and cooperate by using chemicals that can alert others to danger or lead them to a promising food source. They typically eat nectar, seeds, fungus, or insects. However, some species have diets that are more unusual. Army ants may prey on reptiles, birds, or even small mammals.
One Amazon species (Allomerus decemarticulatus) cooperatively builds extensive traps from plant fiber. These traps have many holes and, when an insect steps on one, hundreds of ants inside use the openings to seize it with their jaws.
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