insecta

Six-legged arthropods

Insecta is the taxonomic class comprising insects—six-legged arthropods including beetles, flies, ants, butterflies, and bees.

The group contains more species than all other animal classes combined.

In scientific writing, the Latin name appears italicized: Class Insecta includes over a million described species.

anatomy

compound eyes

Multi-lensed visual organs

legs · mouthparts · mandibles · proboscis · ovipositor · ocelli · ganglia · thorax · abdomen · head

exoskeleton

chitin

Arthropod shell polymer

carapace · thorax · abdomen · hardened · segmented · molting · protective · covering · forewing · hindwing

taxonomy

class

Grouping by shared traits

lepidoptera · diptera · hymenoptera · orthoptera · species · order · family · genus · classification

metamorphosis

larva

Immature feeding stage

  • pupaInsect's resting stage
  • chrysalisPupal casing for metamorphosis
  • nymphNature spirit or larva

caterpillar · cocoon · imago · instar · molting · pupation · transformation · maggot · grub · naiad

ecology

pollination

Flower reproductive transfer

decomposition · predation · parasitism · mimicry · camouflage · swarming · colony · hive · infestation · biological control

antennae

feelers

Sensory touch organs

pedicel · scape · setae · filiform · chemoreception · olfaction · tactile · vibrations · palpation · serrate

Opposites
taxonomic classification within arthropods

insectaarachnida

Eight-legged arthropod class

crustacea · spiders · crabs · lobsters · centipedes

vertebrate vs. invertebrate body plan

insectamammals

Hair-bearing, milk-producing animals

vertebrates · birds · fish · reptiles · amphibians

ecological role and human perception

insectamegafauna

Species over 44 kilograms

large mammals · apex predators · whales · elephants

Phrases
Family

insect, insects, insectivore, insectivorous, insectarium, insectary

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