Pollinators and Their Behaviors on Mango Flowers in Southern

One hundred and twenty-six individual insects belonging to 39 species in 23 families and five orders were recorded as a visitor or pollinator on mango flowers from February 13 to March 17, 2005 in southern Taiwan. Most of these insects belonged to the Diptera and Hymenoptera. The former contained 15 species and accounted for 42.0 % of the number of collected individuals, while the latter contained 14 species accounting for 39.7%. Major pollinators included honeybees (Apis cerana and A. mellifera) and an allodapine bee (Braunsapis hewitti) of the Apidae and sweat bees (Halictus sp. and Lassioglossum spp.) of the Halictidae among the Hymenoptera, and Chrysomya megacephala, Ch. pinguis, and Musca domestica of the Diptera, which were considered to be the dominant species due to their frequent appearance. Some other insects were also commonly seen such as Cantharis sp. and Menochilus sexmaculatus of the Coleoptera, and Idioscopus spp. of the Hemiptera. The sex ratio was biased to females (69.1%), probably because o