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Botflies, also known as warble flies, heel flies, and gadflies, are flies of the family Oestridae. Their larvae are internal parasites of mammals, some species growing in the host's flesh and others within the gut. Dermatobia hominis is the only species of botfly known to parasitize humans routinely, though other species of flies cause myiasis ...
Either the eggs hatch while the mosquito is feeding and the larvae use the mosquito bite area as the entry point, or the eggs simply drop off the muscoid fly when it lands on the skin. The larvae develop inside the subcutaneous layers, and after about eight weeks, they drop out to pupate for at least a week, typically in the soil.
The female fly cements individual eggs onto hairs of the forelimbs and shoulders of horses, mules and donkeys. [7] [5] Each female lays up to 1000 eggs. [7] In order to hatch, the eggs must be licked by the host animal. [5] If taken into the host's mouth during grooming, the egg will hatch in the mouth. [5]
Eggs hatch in the uterus of the female. She then flies close to the head of her host species and while hovering ejects her larvae into its nostrils. [ 3 ] Larvae migrate to the base of the animal's tongue, where they mature in clusters to a size of 25 to 36 mm (0.98 to 1.42 in).
Like other botflies, the adult lays eggs on the host animal, in this case, near the horn of the rhinoceros or elsewhere on the head.The eggs are oblong and white. The eggs hatch after about six days, and the larvae, about 2.5 mm long, burrow inside, and attach themselves to the stomach wall by spines and mouth-hooks.
The most efficient way known to avoid the infection of Gasterophilus is by deparasitizing the animals with products like trichlorphon and dichlorvos, by using hot water to scrub the areas where the eggs are laid to kill the larvae, and by cleaning the areas where the feces of the infected animal had been in order to avoid the adult formation. [6]
Spotted lanternflies lay their eggs in the fall and hatch in the spring. They lay their eggs on hard surfaces, such as homes, and trees laying an average of 30-50 eggs at a time. Lanternfly life cycle
To prevent myiasis in humans, there is a need for general improvement of sanitation, personal hygiene, and extermination of the flies by insecticides. Clothes should be washed thoroughly, preferably in hot water, dried away from flies, and ironed thoroughly. The heat of the iron kills the eggs of myiasis-causing flies. [23]