NLM Digital Collections

Simulium larvae, enlarged to seven times life-size. After seven or eight days the larva develops into a chrysalis, and finally the adult blackfly emerges. Control of onchocemiasis depends on destroying the larva before the chrysalis stage is reached; after that, the insecticide is less effective

Collection:
Images from the History of Medicine (IHM)
Contributor(s):
Mandelmann, E, photographer
Language(s):
English
French
Format:
Still image
Subject(s):
World Health Organization
Abstract:
A cluster of black fly larvae. Verso: WHO/16566. AFRO. Onchocerciasis.
Copyright:
WHO must be mentioned in accompanying text and/or given credit. This item may be under copyright protection. Please ask copyright owner for permission before publishing.
Copyright Holder:
World Health Organization; Source: Record; Research date: 20151020
Extent:
1 photoprint.
NLM Unique ID:
101437211 (See catalog record)
NLM Image ID:
A013891
Permanent Link:
http://resource.nlm.nih.gov/101437211