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Of the 24 identified orders of insects, five dominate in terms of numbers of described species, namely Coleoptera (beetles), Lepidoptera (butterflies and moths), Diptera (flies and mosquitoes), Hymenoptera (ants, bees, wasps and sawflies) and Hemiptera (true bugs, e.g. cicadas, aphids, leafhoppers, bed bugs and assassin bugs).
The house fly is found all over the world where humans live and so is the most widely distributed insect. [1]This is a list of common household pests – undesired animals that have a history of living, invading, causing damage, eating human foods, acting as disease vectors or causing other harms in human habitation.
Hemiptera (/ h ɛ ˈ m ɪ p t ər ə /; 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.
Water beetles and water bugs have legs adapted into paddle-like structures. Dragonfly naiads use jet propulsion, forcibly expelling water out of their rectal chamber. [ 130 ] Other insects such as the rove beetle Stenus emit pygidial gland surfactant secretions that reduce surface tension; this enables them to move on the surface of water by ...
Terrestrial arthropods are often called bugs. [ Note 1 ] The term is also occasionally extended to colloquial names for freshwater or marine crustaceans (e.g., Balmain bug , Moreton Bay bug , mudbug ) and used by physicians and bacteriologists for disease-causing germs (e.g., superbugs ), [ 29 ] but entomologists reserve this term for a narrow ...
Insecticides such as pyrethroids (e.g. permethrin, bifenthrin, cyfluthrin) have been used for control, [7] but this approach is often considered counter-productive due to mortality of mealybug natural enemies.
This can be seen by the name itself, as it is a violation of convention to use the ending "-ptera" for any rank above genus other than an order – though since it is a convention rather than a mandatory rule of Linnean nomenclature, taxonomists are technically free to violate it (which is why, for example, not all insect orders end in "-ptera ...
Entomology (from Ancient Greek ἔντομον (entomon) 'insect' and -λογία () 'study') [1] is the branch of zoology that focuses on insects. Those who study entomology are known as entomologists.