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True flies are insects of the order Diptera. The name is derived from the Greek di-= two, and ptera = wings. Most insects of this order have two wings (not counting the halteres, club-like limbs which are homologous to the second pair of wings found on insects of other orders). Wingless flies are found on some islands and other isolated places.
Insects that are primarily apterous belong to the subclass Apterygota. Apterous is an adjective that means that the insect or organism is wingless and usually refers to a particular form of an insect that may have wings, or a wingless species in a group that typically has wings, e.g. many Orthoptera (grasshoppers and allies) and Hymenoptera ...
State insects are designated by 48 individual states of the fifty United States. Some states have more than one designated insect, or have multiple categories (e.g., state insect and state butterfly, etc.). Iowa and Michigan are the two states without a designated state insect.
The primary characteristic of the apterygotes is they are primitively wingless. While some other insects, such as fleas, also lack wings, they nonetheless descended from winged insects but have lost them during the course of evolution. By contrast, the apterygotes are a primitive group of insects that diverged from other ancient orders before ...
All the females and nymphs are wingless, whereas adult males can be either winged or wingless depending on species. [19] The wings, where present, occur as two pairs that are similar in size and shape: long and narrow, with relatively simple venation.
'winged') is a subclass of insects that includes all winged insects and groups who lost them secondarily. [3] Pterygota group comprises 99.9% of all insects. [4] The orders not included are the Archaeognatha (jumping bristletails) and the Zygentoma (silverfishes and firebrats), two primitively wingless insect orders. Unlike Archaeognatha and ...
Cicadas are insects found in North America, consisting of more than 3,000 species. They're between an inch and two inches long, with small bristle-like antennae and four clear wings, and some of ...
The Entognatha are a class of wingless and ametabolous arthropods, which, together with the insects, makes up the subphylum Hexapoda. [1] [2] Their mouthparts are entognathous, meaning that they are retracted within the head, unlike the insects. [1] Entognatha are apterous, meaning that they lack wings.