Comportement de mâles stériles de Glossina tachinoides West. lâchés dans les conditions naturelles – environs de Fort-Lamy (Tchad). I. Transport, lâchers, rythme d’activité, action sur la population sauvage

Glossina tachinoides adult males, bred and irradiated with 15,500 rads in Maisons-Alfort (France) were dispatched by air-mail to Fort-Lamy (Chad) between February and May of 1972, in order to be released, after marking, in a natural area of Cameroon side of the Chari river. In this first part, the authors analyse the consequences of breeding-irradiation-transport-handling ” factors on sterile males behaviour and activity rhythm. The too small a quantity of sterile males is essentially the cause of the absence of any measurable effect on naturel population evolution.

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