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香港生物多樣性博物館
HONG KONG BIODIVERSITY MUSEUM
研究 • 教育 • 保存 Research • Education • Preservation
Distribution:
Every continent except Antarctica
Habitat:
Aquatic habitats with high oxygen concentration such as ponds or lakes
Diet:
Nymphs feed on dead vegetation, algae or macroinvertebrates; some adults feed on vegetation but some species do not feed
Number of species globally
3500
Number of species in Hong Kong :
10
Morphology
(how to recognize them) :
-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
Diagram
Did you know ?
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.
Gallery
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