Sunday, March 13, 2016

Singing Cicadas

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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