"... the way mosquitoes serve botflies in Central and South America. The size of a , the fly seizes a mosquito in midair and glues her own eggs to her captive's abdomen. Later, when the mosquito feeds on a person, the damp warmth of human skin causes the fly's eggs to hatch, leaving maggots to burrow into the new host. Soon, the maggot's breathing apparatus can be seen poking through the victim's skin. Within a week, it's as large as a small olive."