Insect
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Insects are invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have an exoskeleton, a three-part body, three pairs of jointed legs, compound eyes, and
Insects Neoptera Paleoptera Apterygota
Insect: Six legs, three-part body (head, thorax, abdomen), up to two pairs of wings
Spider: eight legs, two-part body
Woodlouse: seven pairs of legs, seven body segments (plus head and tail)
Hemiptera
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Hemiptera is an order of insects, commonly called true bugs, comprising more than 80,000 species within groups such as the cicadas, aphids, planthoppers, leafhoppers, assassin bugs, bed bugs, and shie
Insect
…other terrestrial arthropods are often called bugs or creepy crawlies. Entomologists to some extent reserve the name "bugs" for a narrow category of "true bugs", insects of the order Hemiptera, such as cicadas and shield bugs. Other terrestrial arthropods, such as centipedes, millipedes, woodlice, spiders…
Hemiptera suborders
Fossil planthopper (Fulgoromorpha) from the Early Cretaceous Crato Formation of Brazil, c. 116 mya
Hemipteran mouthparts are distinctive, with mandibles and maxillae modified to form a piercing "stylet" sheathed within a modified labium.
An ant-mimicking predatory bug Myrmecoris gracilis