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The reproductive caste of a mature colony includes a fertile female and male, known as the queen and king.61 The queen of the colony is responsible for egg production for the colony. Unlike in ants, the king mates with her for life.62 In certain species, the abdomen of this queen swells up radically to increase fecundity, a characteristic known as physogastrism.61 Depending on the species, the queen begins producing reproductive winged alates at a certain time of year, and enormous swarms emerge in the colony when nuptial flight begins.
Termites are often compared with the social Hymenoptera (ants and various species of bees and wasps), but their differing evolutionary origins result in major differences in life span. In the eusocial Hymenoptera, the employees are exclusively female. Men (drones) are haploid and develop from unfertilised eggs, while females (both workers and the queen) are diploid and develop from fertilised eggs.
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Depending on species, male and female workers may have different functions in a termite colony.63.
The life cycle of a termite begins with an egg, but is different from that of a bee or ant in that it goes through a developmental process called incomplete metamorphosis, with egg, nymph and adult stages.64 Nymphs resemble little adults, and go through a series of moults as they grow.
The development of nymphs into adults can take months; the time frame depends on food availability, temperature, and the general population of this colony. Since nymphs are unable to feed themselves, employees must feed thembut workers also get involved in the social life of their colony and have certain other activities to achieve such as foraging, building or maintaining the nest or tending to the queen.5367 Pheromones regulate the caste system in termite colonies, preventing all but a very few of the termites from becoming fertile queens.68.
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Queens of the eusocial termite Reticulitermes speratus are effective at a long lifespan without sacrificing fecundity. These long-lived queens have a significantly lower degree of oxidative damage, including oxidative see post DNA damage, than employees, soldiers and nymphs.69 The decreased levels of damage seem to be due to increased catalase, an enzyme that protects against oxidative stress.69.
Termite alates only leave the colony when a nuptial flight occurs. Alate males and females pair up together and then land in search of a suitable spot for a colony.70 A termite king and queen do not mate until they find such a place. When they perform they excavate a chamber big enough for both, shut up the entrance and proceed to this link mate.70 After mating, the set never go outside and spend the rest of their lives in the nest.
For instance, alates in certain species appear during the daytime in summer while some emerge during the winter.71 The nuptial flight might also begin at dusk, when the alates swarm around regions with plenty of lights. The time when nuptial flight begins depends on the environmental conditions, the time of day, humidity, wind speed and precipitation.71 The number of termites in a colony also varies, with the larger species normally having 1001,000 individuals.
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The queen only lays 1020 eggs in the very early stages of the colony, but places as many as 1,000 per day when the colony is a few years old.53 At adulthood, a main queen has a great capacity to lay eggs. In some species, the adult queen has a greatly distended abdomen and may produce 40,000 eggs per day.72 The two adult ovaries may possess some 2,000 ovarioles every.73 The abdomen increases the queen's body length to several times more than prior to mating and reduces her ability to move freely; attendant workers provide assistance. .
