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Unformatted text preview: have cutting teeth to get plant material and grinding teeth for chewing leaves Haustellate mouthparts (sucking mouthparts) o can be piercing or non-piercing o has evolved multiple times in various ways within insects Appendages All insect appendages are derived from specialized sacs of cells known as imaginal discs. The leg disc telescopes out, with the more central regions forming the more distal parts (parts of the structure furthest from the body) and those on the outside of the disc forming the more basal parts (parts of the structure closest to the body). Leg Modifications Ambulatory: walking Raptorial: catching prey Fossorial: digging Natatorial: swimming Saltatorial: jumping Terms to know: sclerotization, exoskeleton, epidermis, epicuticle, endocuticle, exocuticle, mandibulate, haustellate, analogy, homology, convergent evolution, imaginal disc, ambulatory, cursorial, fossorial, saltatorial, natatorial, raptorial,...
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- Fall '10