Insects (from Latin insectum) are hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax …

Apr 5, 2026 · insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented bodies, jointed …

Dec 30, 2025 · Insects are six-legged invertebrates that are members of the class Insecta within the phylum Arthropoda. They are distinguished by their three-part bodies covered by a hard, chitinous …

Insect and Spider Identification - Information and Pictures of North American Insects, Spiders, and Bugs.

Sep 25, 2024 · Below is a detailed overview of the primary insect orders that comprise disease vectors, highlighting their distinct characteristics and roles in disease propagation.

Apr 3, 2026 · More than half of all the animal species described by science are insects, and it is estimated that there are more than five million extant species. That’s a lot of beetles, butterflies, …

All insects belong to the phylum Arthropoda. But unlike other arthropods—like lobsters, spiders, or millipedes—insects have three pairs of jointed legs, segmented bodies, an exoskeleton, one...

Oct 16, 2019 · Over one million insect species have been identified – that’s over three times the number of known plant species. Over half of all known living organisms on Earth are insects.

We collect photographs of bugs from the United States and Canada for identification and research. We summarize our findings in guide pages for each order, family, genus, and species. More than just a …

Six legs, three body parts (HEAD, THORAX, and ABDOMEN), a hard EXOSKELETON, and compound eyes characterize insects. Most insects have a pair of antennae and two pairs of wings. Insects grow …