Tsetse fly control.

Date:
1988
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Credit

Tsetse fly control. Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0). Source: Wellcome Collection.

About this work

Description

One way of reducing the menace of African trypanosomiasis to both man and animals is to control the tsetse fly vector. This video describes a number of experiments in the use of odour- baited targets and traps and of insect pheromones and hormones to kill or sterilize tsetse flies in various parts of eastern and southern Africa. Filmed at the former Tsetse Research Laboratories, Langford, Bristol and Lake Kariba, Zimbabwe. 2 segments.

Publication/Creation

London : Wellcome Trust Film Unit, 1988.

Physical description

1 encoded moving image (15.35 min.) : sound, color

Duration

00:15:35

Copyright note

Wellcome Trust; 2009

Terms of use

Open with advisory
CC-BY-NC-ND
Creative Commons Attribution-Non-Commercial-NoDerivs 2.0 UK: England & Wales

Language note

In English

Creator/production credits

Made by Wellcome Trust Film Unit. Written by Dr. L.G. Goodwin, F.R.S., narrated by Barry Paine and directed and photographed by Douglas Fisher.

Contents

Segment 1 The narrator explains that tsetse flies pose a serious threat to humans and animals, who can become infected by blood parasites through tsetse fly bites. Cattle are seen being treated by chemotherapy. Light aircraft are seen spraying insecticide. Various traps have been designed to catch flies and either kill them or sterilise them. Uninfected flies are bred in the UK and sent to Africa to be used in tests. Time start: 00:00:00:00 Time end: 00:07:38:13 Length: 00:07:38:13
Segment 2 An example of an odour trap is shown. Flies are attracted by animal smell and are caught. Once caught, they can be sterilised by chemicals or treated with insect juvenile hormones. Once a female has been treated with juvenile hormone, any offspring she produces will die. A graph shows the effects on the tsetse fly population of the various methods. The most effective however, remains spraying from the air. Time start: 00:07:38:13 Time end: 00:15:35:06 Length: 00:07:56:18

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