The cicadas sing outside our classroom.
How do they make their noise we wondered?
The cicada...
rubs it's two back legs - Anna
calls out - Logan
rubs it's wings with it's legs - Nicholas
rubs it's front legs on it's face - Sam
Buzzes when it is hot - Ezra
We found out ...
- male cicadas have 2 drums called tymbals on their abdomen. They use them to call to the females
- nymphs can live underground for up to 17 years
- some cicadas have red eyes
- nymphs suck on the roots of the trees
- nymph is a baby cicada that has no wings
- cicadas can damage trees because they suck all the sap out of the tree
- the female cicada lays her eggs in the bark of the tree
- an adult cicada only lives for about a week
- cicadas have 2 large compound eyes and 3 little eyes
- the cicada sucks it’s food through a tube called median ocellus
- the shells of cicadas are really their old nymph skins
- cicadas have 3 parts to their bodies, a head, the thorax and an abdomen
- 2 small antennae, 6 legs and 4 wings
- cicadas don't like water
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