请用英文介绍几种“Insect（昆虫）”，还要有中文翻译。

butterfly 蝴蝶 ant 蚂蚁 dragonfly 蜻蜓 firefly 萤火虫 grasshopper 蚱蜢 bee 蜜蜂Ladybugs (Coccinellids) are generally considered useful insects as many species feed on aphids or scale insects, which are pests in gardens, agricultural fields