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豆娘小档案:分类:属于昆虫纲蜻蜓目束翅亚目科。种数:全世界约有2800余种,在台湾约有37种。生活史:卵——稚虫——成虫。习性:豆娘的成虫一般习惯在稚虫(水虿)栖息的水域附近活动、觅食、求偶、产卵。而由于种类的差异,豆娘习惯栖息于流水性的溪流、山沟、田沟,或静水性的池塘、湖泊、沼泽、水洼、水田等水域中。豆娘是肉食性昆虫。它们擅长捕食空中的小飞虫,不过由于体型较小、飞行速度较慢,一副弱不禁风的样子,因此豆娘主要是以体型微小的蚊、蝇和蚜虫、介壳虫、木虱、飞虱等昆虫为主食,偶尔也会发生大豆娘捕食小豆娘的情形。
Damselfly small file: Category: Insecta dragonfly head Beam subfamily. There are about 2,800 species in the world and 37 species in Taiwan. Life history: eggs - nymphs - adults. Habits: Damselflies are generally accustomed to living, feeding, courtship and spawning in the waters where the juvenile (slug) inhabit. However, due to the differences in species, Damselfly habitat habitats in stream water, ravines, ditches, or hydrostatic ponds, lakes, swamps, puddles, paddy fields and other waters. Damselflies are carnivorous insects. They are good at hunting small bugs in the air, but due to their smaller size and slower flight speed, they are fragile. Therefore, damselflies are mainly small mosquitoes, flies and aphids, scale insects, psyllids and planthoppers. Insects as the staple food, and occasionally happen to eat small soya mother situation.