Phytophagous
consume plants (3 main types): Polyphagous: (eg grasshoppers) consume
many species of plants Oligophagous: (eg wander butterfly larvae)
consume a few species of related plants Monophagous: (eg citrus butterfly, white cedar
moth) consume a single species of plant
Plant-eaters mouthparts:
Chewing - leaves, stems, roots, fruit, wood, flowers, pollen
Piercing/sucking - leaves, roots, stems (either phloem or xylem) or nectar
Sucking or lapping - nectar or sap
Carnivorous
Carnivorous insects (animal tissues): Predators eats insects or animals
speed (e.g. robber fly, dragonfly) trap (antlion larva) use of modified appendages (e.g. raptorial legs of mantid,
extendable labium of dragonfly nymph). Parasites live off a host but do not kill it.
Ectoparasites live externally on the host; Endoparasites live inside the host.
Parasitoids kill the host.