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The reproductive caste of a mature colony includes a fertile female and man, 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 some species, the abdomen of this queen swells up radically to increase fecundity, a feature known as physogastrism.61 Depending on the species, the queen begins producing reproductive winged alates at a certain period of the year, and huge swarms emerge from the colony when nuptial flight begins.
A young termite nymph. Nymphs first moult into employees, but others might farther moult to become soldiers or alates.
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 cycle. In the eusocial Hymenoptera, the workers 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.
Depending on species, both male and female workers may have different roles in a termite colony.63.
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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 phases.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 the colony. Since nymphs are unable to feed themselves, workers must feed thembut workers also take part in the social life of their colony and have certain other activities to accomplish like foraging, building or maintaining the nest or tending to the queen.5367 Pheromones govern the caste system in termite colonies, preventing all but a very few of the termites from becoming fertile queens.68.
Queens of the eusocial termite Reticulitermes speratus are effective at a long lifespan without sacrificing fecundity. These long-lived queens have a significantly lower level of oxidative damage, including oxidative DNA damage, than employees, soldiers and nymphs.69 The lower levels of harm appear 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 important source 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 do, they excavate a chamber big enough for both, shut up the entrance and proceed to partner.70 After mating, the pair never go outdoors and spend the rest of their lives in the nest.
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For example, alates in certain species appear during the daytime in summer while some emerge during winter.71 The nuptial flight might also begin at dusk, when the alates swarm around areas with lots of lights. The time when nuptial flight begins depends on the environmental conditions, the time of day, moisture, wind speed and precipitation.71 The number of termites in a colony also fluctuates, with the bigger species typically having 1001,000 individuals.
The queen only lays 1020 eggs in the very early stages of the colony, but lays 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 Both adult ovaries may have some 2,000 ovarioles each.73 The abdomen increases the queen's body length to several times greater than before mating and reduces her ability to move freely; attendant employees offer assistance. .
The king develops only slightly larger after initial mating and continues to mate with the queen for life (a termite queen can survive between 30Â to 50Â years); this is quite different from ant colonies, in that a queen mates once with the man (s) and stores the gametes for lifetime, as the male ants die shortly after mating.6267 If your queen is absent, a termite king generates pheromones which encourage the development of replacement termite queens.74 As the queen and king are monogamous, sperm competition does not occur.75.
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Termites going through incomplete metamorphosis on the path to becoming alates type a subcaste in certain species of termite, functioning as potential supplementary reproductives. These supplementary reproductives only mature into main reproductives upon the death of a king or queen, or when the primary reproductives are separated from the colony.6676 Supplementaries have the ability to replace a deceased primary reproductivesystem, and there can also be greater than a single supplementary within a colony.53 Some queens have the capacity go now to switch from sexual reproduction to asexual reproduction.