Abstract
Examination of data on the host preference and trypanosome infection rates of Glossina morsitans morsitans Westwood in Central Zambia showed a marked preference for suids (62%); bovids (17%), 'other mammals' (14%), primates (4%), reptiles (3%) and birds (less than 1%) accounted for the remaining feeds. Trypanosome infection rates in G. m. morsitans were very low (0-3-66%), with higher rates in males; only vivax-type trypanosomes were encountered. The heterogeneity of monthly and seasonal infection rates was not significant; the highest rate was recorded in the hot dry season. There was a significant correlation between age and infection rates (P less than 0-01). A regression of monthly male infection rates and monthly mean temperature showed a significant correlation (P less than 0-05). Possible reasons for the low infection rates are discussed.
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