Dictionary > Insecta

Insecta

Insecta
1. (Science: zoology) One of the classes of arthropoda, including those that have one pair of antennae, three pairs of mouth organs, and breathe air by means of tracheae, opening by spiracles along the sides of the body. In this sense it includes the hexapoda, or six-legged insects and the myriapoda, with numerous legs. See insect.
2. (Science: zoology) in a more restricted sense, the hexapoda alone. See hexapoda.
3. (Science: zoology) in the most general sense, the hexapoda, myriapoda, and Arachnoidea, combined.
The typical insecta, or hexapod insects, are divided into several orders, viz., hymenoptera, as the bees and ants; diptera, as the common flies and gnats; aphaniptera, or fleas; lepidoptera, or moths and butterflies; neuroptera, as the ant-lions and hellgamite; coleoptera, or beetles; hemiptera, as bugs, lice, aphids; orthoptera, as grasshoppers and cockroaches; pseudoneuroptera, as the dragon flies and termites; euplexoptera, or earwings; thysanura, as the springtails, podura, and lepisma. See these words in the vocabulary.
Origin: NL. See insect.


You will also like...

Buttress roots
Roots

This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..

Gene Regulation in Eukaryotes
Gene Regulation in Eukaryotes

Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....

Digestion and Absorption of Food
Digestion and Absorption of Food

The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..

Flowers and tiny fruits of the pomegranate plant
Fruits, Flowers, and Seeds

This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..

A chart depicting Mendel's Law of Dominance
Mendel’s Law & Mendelian Genetics

One of Mendel’s law of inheritance is the “law of dominance”. Read this tutorial to know more about this form of i..

takahē
Takahē (Porphyrio hochstetteri)

Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..