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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 its 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 starts producing reproductive winged alates at a certain time of the year, and huge swarms emerge from the colony when nuptial flight begins.
A young termite nymph. Nymphs first moult into workers, but others might farther moult to become soldiers or alates.
Termites are often compared with all the social Hymenoptera (ants and various species of bees and wasps), but their differing evolutionary origins result in significant differences in life cycle. In the eusocial Hymenoptera, the workers are entirely female. Men (drones) are haploid and develop from unfertilised eggs, while females (both employees and the queen) are both diploid and grow from fertilised eggs.
Depending on species, both male and female employees may have different roles in a termite colony.63.
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The entire 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 develop.
The development of nymphs into adults can take months; the time period depends on food availability, temperature, and the general population of this colony. Since nymphs are unable to feed themselves, workers must feed thembut employees also take part in the social life of the colony and also have certain other activities to achieve like 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.
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 DNA damage, than workers, soldiers and nymphs.69 The decreased degrees of harm seem to be due to increased catalase, an enzyme that protects against oxidative stress.69.
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For instance, alates in certain species appear during the daytime in summer while others emerge during winter.71 The nuptial flight may also begin at dusk, when the alates swarm around regions 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 click to investigate of termites http://innovativepestcontrol.com.au/ in a colony also fluctuates, with the bigger species typically having 1001,000 individuals.
The queen only lays 1020 eggs in the very early phases of the colony, but places as many as 1,000 a day when the colony is several years old.53 At maturity, a main queen has a fantastic capacity to lay eggs. In some species, the adult queen has a greatly distended abdomen and might create 40,000 eggs a day.72 Both mature ovaries may have some 2,000 ovarioles each.73 The abdomen increases the queen's body length to a number of times greater than before mating and reduces her ability to move freely; attendant employees offer assistance. .
The king develops only slightly bigger after initial mating and continues to mate with the queen for life (a termite queen can live between 30Â to 50Â years); this is very different from ant colonies, in which a queen mates once with the male(s) and stores the gametes for life, as the male ants die shortly after mating.6267 When a queen is absent, a termite king generates pheromones which encourage the development of replacement termite queens.74 Since the queen and king are monogamous, sperm competition does not happen.75.
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Termites going through incomplete metamorphosis on the path to becoming alates form a subcaste in certain species of termite, functioning as potential supplementary reproductives. These supplementary reproductives only mature into main reproductives upon the passing of a king or queen, or when the primary reproductives are separated out of the colony.6676 Supplementaries have the ability to replace a dead principal reproductivesystem, and there can also be greater than a single supplementary within a colony.53 Some queens have the ability to change from sexual reproduction to asexual reproduction.