the infestation of bodily tissues by the larvae of flying insects.
In Africa the tumbu fly and Lund's fly are responsible. Tumbu
like to lay eggs on drying laundry and the larvae enter the skin
when clothes are worn.
In Central and South America the human botfly and new world screwworm
botfly affects people and cattle.
botfly catches blood-feeding insect, lays eggs into it and that
insect later injects the eggs into the human when it feeds.
larvae usually stay where they penetrated.
12 weeks the larvae leave the skin and mature in soil.
world screwworm flies lay eggs on the edges of wounds and healthy
mucous membranes (mouth or nose) and the larvae then burrow in
and incubate about 1 week.
Myiasis is a rare condition in travelers.
are mainly itchy sores or oozing boils, but there are no long-term
maggots are seen by their air hole they create in the skin.
the hole with Vaseline forces it closer to the surface, making
Insect Ecology and Veterinary Parasitology http://www.bio.bris.ac.uk/research/insects/myiasis.html
Map & Graph: Countries by Mortality: Myiasis http://www.nationmaster.com/graph-B/mor_myi
Australia Department of Medical Entomology http://www.karlloren.com/biopsy/p49.htm
Our patient, Patrick had a new world screw worm in his scalp after having cut his scalp and then likely flies laid eggs into it.He has sent these pictures
Here are some images I took of the larva. I'm pretty confident its the 'New World Screwworm' or the larva of the dipteran fly Cochliomyia hominivorax