Bugs, cicadas and aphids (Hemiptera)
All Hemiptera have needle shaped jaws. This needle is used to stick into animals or plants and to suck up the juices. There are three groups: the real bugs, the cicadas and the plant lice, also called green flies. The larvae look like the adults very much, except for the wings. They do not start their life looking like a caterpillar or maggot. Like in dragon flies they are called nymphs. This means there is no pupal stage for these animals.
Scientifically the Hemiptera consists of two rather different groups: the true bugs (or Heteroptera) and the cicadas and green flies (Homoptera). The true bugs have two pairs of wings. The upper wing however is quite remarkable, for it is made of two parts: a firm part first and a much softer membranous second half. The lower wing is membranous entirely and looks like the wings of all insects. The Homoptera have four wings as well. The upperwing in cicadas is either membranous or looks like a beetle's shields. The second pair is entirely membranous. Green flies have two pairs of membranous wings, reminding one of the wings of flies or wasps. However many are wingless as well. Because of the huge difference between true bugs and green flies some people believe these actually belong to two separate orders.
This page has last been modified on Sunday, December 11, 2016.
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