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Social insects such as ants have multiple types of pheromonal glands, producing different semiochemicals for communication with other insects. [ 108 ] Many insects have evolved chemical means for communication .
Beetles are insects that form the order Coleoptera ( / koʊliːˈɒptərə / ), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 described species, is the largest of all orders, constituting almost 40% of described ...
Hemiptera ( / hɛˈmɪptərə /; from Ancient Greek hemipterus 'half-winged') is an order of insects, commonly called true bugs, comprising over 80,000 species within groups such as the cicadas, aphids, planthoppers, leafhoppers, assassin bugs, bed bugs, and shield bugs.
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 cicadas ( / sɪˈkɑːdəz, - ˈkeɪ -/) are a superfamily, the Cicadoidea, of insects in the order Hemiptera (true bugs). They are in the suborder Auchenorrhyncha, [ a ] along with smaller jumping bugs such as leafhoppers and froghoppers. The superfamily is divided into two families, the Tettigarctidae, with two species in Australia, and ...
Some four-winged insect orders, such as the Lepidoptera, have developed morphological wing coupling mechanisms in the imago which render these taxa functionally two-winged. [30] All but the most basal forms exhibit this wing-coupling. [31] The mechanisms are of three different types – jugal, frenulo-retinacular and amplexiform: [32]
The trophi, or mouthparts of a locust, a typical chewing insect: 1 Labrum. 2 Mandibles; 3 Maxillae. 4 Labium. 5 Hypopharynx. Examples of chewing insects include dragonflies, grasshoppers and beetles. Some insects do not have chewing mouthparts as adults but chew solid food in their larval phase.
Pest (organism) Varied carpet beetle larvae, Anthrenus verbasci, damaging a specimen of Sceliphron destillatorius in an entomological collection. A pest is any organism harmful to humans or human concerns. The term is particularly used for creatures that damage crops, livestock, and forestry or cause a nuisance to people, especially in their homes.