Penelitian Ini Bertujuan Untuk Mengetahui Keragaman Jenis Serangga Di Lahan Penelitian Pertanaman Buncis Kampus Universitas Borneo Tarakan. Penelitian Ini Dillaksanakan Dilahan Penelitian Pertanaman Buncis Kampus Universitas Borneo Tarakan Dengan Menggunakan Metode Survey Yaitu Melakukan Pengamatan Secara Langsung (Visual) Dan Penangkapan Dengan Menggunakan Alat Perangkap Seperti Yellow Pan Trap, Pitt Fall Trap, Sweep Net Dan Hand Counting. Parameter Yang Diamati Dalam Penelitian Ini Yaitu Jumlah Serangga, Jenis Serangga, Dan Indeks Keragaman Yang Diamati Pertanaman Buncis. Hasil Penelitian Menunjukkan Terdapat Jumlah Serangga Sebanyak 2859 Individu Yang Terdiri Dari 7 Ordo Dan 49 Family. Jumlah Serangga Yang Ditemukan Pada Pengamatan Minggu Pertama Saat Memasuki Fase Vegetatif Yaitu Sebanyak 379 Individu, Minggu Ke Dua 417 Individu, Minggu Ke Tiga 340 Individu, Minggu Ke Empat 306 Individu, Minggu Ke Lima 344 Individu, Minggu Ke Enam 366 Individu, Minggu Ke Tujuh 336 Individu, Dan Minggu Ke Delapan Sebanyak 372 Individu. Nilai Indeks Keragaman Tertinggi Terdapat Pada Pengamatan Minggu Ke Tujuh Yaitu 2,23, Namun Termasuk Dalam Kategori Sedang.
Kata Kunci: Buncis, Pestisida, Indeks Keragaman Serangga

This Study Aims To Determine The Diversity Of Species Of Insects In The Field Of Research Bean Planting Campus University Of Borneo Tarakan. This Research Was Conducted In Research Field Of Green Bean Of University Of Borneo Tarakan Campus By Using Survey Method That Is Direct Observation (Visual) And Arrest By Using Trap Tool Such As Yellow Pan Trap, Pit Fall Trap, Sweep Net And Hand Counting. Parameters Observed In This Study Were The Number Of Insects, Insect Species, And Diversity Indices Observed In Green Beans. The Results Showed There Were 2859 Insects Consisting Of 7 Orders And 49 Families. The Number Of Insects Found In The First Week Of Observation As It Entered The Vegetative Phase Were 379 Individuals, 2nd Week 417 Individuals, Third Week 340 Individuals, Fourth Week 306 Individuals, Week Five 344 Individuals, Week Six Of 366 Individuals, Week Seven 336 Individuals, And Week Eight As Many As 372 Individuals. The Highest Diversity Index Value Was Observed At Week Seven Of 2.23, But Included In The Normal Category. Keywords: Beans, Pesticides, Diversity Index Of Insects