Adult Black Fly (Simulium yahense)

Adult Black Fly with parasite Magnified 100X.

Adult Black Fly (Simulium yahense) with parasite (Onchocerca volvulus) emerging from the insectís antenna. The parasite is responsible for the disease known as River Blindness in Africa. Sample was chemically fixed and critical point dried, then observed using conventional scanning electron microscopy.
Magnified 100X.
(SEM) Plate #04999.