Aphids are soft-bodied, sometimes called plant lice, and feed by sucking juices of plants. See Honeydew . Minute living organisms which are neither animals nor plants. Bacteria is a plural word, the singular is bacterium. There are large numbers of species .
Some bacteria are entomopathogens .
The first pair is toughened and shortened and used only as covers for the second pair. When beetles are not flying, the second pair of wings is folded under the first pair of wings. C Campaniform sensillae A sensory receptor visible externally as an area of thin cuticle, domed and usually oval in shape. A compound that causes death or injury to insects when it contacts them. It does not have to be ingested.