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Plecoptera

通用名稱：

Stoneflies

分配：

Every continent except Antarctica

棲息地：

Aquatic habitats with high oxygen concentration such as ponds or lakes

飲食：

Nymphs feed on dead vegetation, algae or macroinvertebrates; some adults feed on vegetation but some species do not feed

全球物種數量：

3500

香港的物種數量：

10

形態學
（如何識別它們）：

-Long segmented antennae
-Robust legs that end in 2 claws
-Paired cerci (appendages at the rear most segment) at the end of their abdomen
-Two pairs of membranous wings with complex venation
-Nymphs look like wingless adults with external gills behind the head

圖表

你可知道 ？

Stoneflies are very sensitive to water pollution and can be used as important indicators for water quality. Similar to Mayflies, their adult phase is primarily for mating and dies quickly.

畫廊

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