Abstract

Dragonfly is an insect which belongs to the Odonata order and consists of the suborder Anisoptera (dragonflies) and the suborder Zygoptera (damselflies). Its habitat is very wide including in the rice field. Dragonflies and damselflies are predatory insects, both in the form of nymphs and adults, so their role is very important in maintaining the balance of the ecosystem. The research was conducted to finding out the dragonfly species found in rice plantations in rice fields around the Denpasar area. Sampling was done by catching using insect nets on rice plantations, in the morning from 08.00 to 11.00 WITA, and in the afternoon from 15.00 to 17.00 WITA. Dragonfly samples obtained were then preserved to be identified by observing the morphological characters based on Hanum et al. (2013), and Sigit et al. (2013). Dragonfly species found in rice plantations areas in several rice fields around Denpasar are as many as 8 species which are included in 2 suborder, namely suborder Anisoptera (5 species) and suborder Zygoptera (3 species), Species of suborder Anisoptera (Potamarcha congener) only found in rice plantations in East Denpasar. Keywords: insects, dragonfly habitat, identification, morphological characters

Highlights

  • an insect which belongs to the Odonata order

  • wide including in the rice field

  • their role is very important in maintaining the balance of the ecosystem

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Summary

MATERI DAN METODE Pengambilan Sampel

Pengambilan sampel capung dilakukan pada pertanaman padi di beberapa sawah sekitar Denpasar dan sampel pada setiap lokasi diambil sebanyak tiga kali. Pada saat pengambilan sampel juga dilakukan pengukuran koordinat tiap lokasi, serta faktor lingkungan lainnya yaitu suhu udara, kelembaban udara, kandungan oksigen air (DO), pH air dan suhu air. Identifikasi Sampel Sampel capung yang diperoleh dibawa ke Laboratorium Taksonomi Hewan Jurusan Biologi Fakultas MIPA Universitas Udayana, kemudian dilakukan pengamatan morfologi secara langsung dan dengan “dissecting mocroscop’ untuk melihat dan mencatat semua karakter yang diperlukan untuk keperluan identifikasi. Spesies capung yang ditemukan pada area pertanaman padi di beberapa sawah sekitar Denpasar adalah sebanyak 8 spesies yang termasuk kedalam 2 subordo. Subordo Anisoptera ditemukan sebanyak 5 spesies dimana spesies Potamarcha congener hanya ditemukan pada pertanaman padi di Denpasar timur. Semua spesies yang ditemukan disajikan pada Tabel 1 dan Tabel 2

Ischnura senegalensis a b c d e f g h
Fenologi Padi di Beberapa Persawahan Sekitar
Capung dengan Arthropoda dan Vertebrata
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