Saturday, March 17, 2012

Answer to Case 200

Answer: Bot fly (human myiasis causing fly larva); specifically Dermatobia hominis

Dermatobia hominis is found in Central and South America. The larvae go through multiple instars or stages while embedded in the mammalian host. The early stages (as shown in this case) have a piriform or pear-like shape. Each larval stage has backward projecting spines encircling the thorax.

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