What is insect phylogeny?

Insects belong to arguably the most successful major lineage of the phylum Arthropoda, the joint-legged animals. Ideas concerning the phylogenetic relationships among the major taxa of arthropods, and the included insects, are dynamic.

What is the meaning of the Class Insecta?

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 legs, and external skeletons (exoskeletons).

What are the characteristics of Insecta?

Insects or Insecta (from Latin insectum) are pancrustacean hexapod invertebrates and the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae.

What animals belong to Insecta?

Class Insecta

• Anoplura – Sucking Lice.
• Coleoptera – Beetles.
• Dermaptera – Earwigs.
• Dictyoptera – Mantids and Cockroaches.
• Diptera – Flies.
• Embiidina – Webspinners.
• Ephemeroptera – Mayflies.
• Hymenoptera – Ants, Bees, Wasps and Sawflies.

What is the evolution of insects?

Insect evolution is characterized by rapid adaptation due to selective pressures exerted by the environment and furthered by high fecundity. It appears that rapid radiations and the appearance of new species, a process that continues to this day, result in insects filling all available environmental niches.

What are bugs names?

The scientific name for what most of us consider bugs is arthropods. Arthropods include insects, spiders (called Arachnids), and crustaceans.

What do Bugs see?

Insects See the Light. Insects, like almost all other animals, can see. The sense of sight, called photoreception , depends on light energy being reflected off objects. Specialized animal organs called eyes capture the reflected light, and vision results.