Kepadatan Populasi dan Pola Penyebaran Lalat Buah (Bactrocera Spp.) (Diptera Tephritidae) yang Menyerang Buah Mangga (Mangifera IndicaL.) di Kabupaten Buleleng

The research population density and distribution patterns fruit flies (Bactrocera spp.) that attacking mangoes (Mangifera indicaL.) in BulelengRegency was conducted to determine diversity, population density, similarity index type and distribution patterns of population of fruit flies attacking mangoes. The study was conducted since October 2018 up to March 2019 by using purposive method to takemangoes attacked by fruit flies in Buleleng Regency. The results showed that three were species of fruit flies that attacked mangoes in Buleleng Regency, that are B. papayae, B. carambolae andB. occipitalis. Population density of B. papayaewas higher than density population of B. carambolaeand B. occipitalis. Average population density of B. papayae, B. carambolaeand B. occipitaliswere 9,36 adult/fruit, 5.15 adult/fruit and 0,04 adult/fruit, respectively. Type similarityindex has a range of values from 80 –100% with population distribution randomly (S2/X = 1) at each study location. Keywords:Population density, distribution, fruit flies, mangoes