Published online by Cambridge University Press: 10 July 2009
Day and night catches of biting flies (excluding Culicidae) were made from bullock, buffalo and at light at Katookye, western Uganda, between July 1966 and August 1967. The 39 species caught were classified according to the time of day at which they bit. The seven Groups and the most commonly caught species are as follows: Group 1, Ceratopogonidae (purely nocturnal) and Glossina fuscipleuris Aust., Stomoxys ochrosoma Speiser and Haematobosca squalida (Grünb.) (diurnal and nocturnal); Group 2 (early morning peak),Haematobia minuta (Bez.),H. spinigera(Mall.)and H. thirouxi (Roub.); Group 3 (mid-morning peak), Tabanus taeniola P. de B. and T. thoracinus P. de B. Group 4 (mid-morning and late afternoon peaks), G. pallidipes Aust. males and Haematobosca latifrons (Mall.); Group 5 (early morning and evening peaks), Haematopota brunnescens Ric. females, H. patellicorne (End.) females, Stomoxys taeniata Big., S. nigra Macq., S. inornata Grünb. and S. omega Newst.; Group 6 (midday to mid-afternoon peak), G. pallidipes females, H. brucei Aust. females, T. par Wlk. females and Chrysops distinctipennis Aust. females; and Group 7 (progressive increase in biting from morning till evening), G. fuscipes Newst. and S. calcitrans (L.).