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<p><b>New page</b></p><div>[[File:Ceresa_taurina.JPG|Ceresa taurina|thumb]] [[File:Buckelzirpe.webm|Buckelzirpe|thumb|left]] '''Treehoppers''' belong to the family '''Membracidae''', a group of [[insects]] within the order [[Hemiptera]]. They are known for their distinctive pronotum, which extends over their heads and bodies, often resembling thorns, leaves, or other plant parts. This adaptation helps treehoppers in [[camouflage]], protecting them from predators by blending into their surroundings. Treehoppers are found worldwide, with a significant diversity in tropical and subtropical regions. They feed on plant sap using their piercing and sucking mouthparts and are found on a variety of host plants.<br />
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==Morphology==<br />
Treehoppers exhibit a wide range of shapes and sizes, largely due to the diverse forms of their pronotum, which can be elaborately shaped and may include horns, bumps, or extensions. The body size of treehoppers generally ranges from 5 to 20 mm. They have two pairs of wings, with the front pair being thicker and more protective. Their eyes are prominent, and they also have three small ocelli located on the top of their head. The antennae of treehoppers are short and bristle-like.<br />
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==Life Cycle==<br />
The life cycle of treehoppers includes egg, nymph, and adult stages. Females lay eggs on the underside of host plant leaves or stems, often in a row and sometimes covered with a protective secretion. The nymphs, which hatch from the eggs, go through several instars, shedding their skin and growing larger with each stage. Nymphs resemble adults but lack fully developed wings. The transition from nymph to adult is known as incomplete metamorphosis.<br />
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==Behavior==<br />
Treehoppers are known for their complex social behaviors, including maternal care, where the female guards her eggs and, in some species, the nymphs until they reach adulthood. They communicate using vibrations transmitted through plant stems and leaves, a method known as substrate-borne signaling. This communication is crucial for mating, signaling danger, and maintaining social groups.<br />
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==Ecology==<br />
Treehoppers have a symbiotic relationship with [[ants]] and other insect species, offering them honeydew (a sweet, sugary secretion produced as a byproduct of their sap feeding) in exchange for protection against predators. Their diet consists primarily of plant sap, which they extract from the stems and leaves of their host plants using their piercing mouthparts. Treehoppers can be found on a wide range of plants, including trees, shrubs, and grasses.<br />
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==Economic Importance==<br />
While many treehopper species are harmless, some can be pests of agricultural crops and ornamental plants due to their feeding habits and potential to transmit plant diseases. Their sap feeding can weaken host plants, and the honeydew they produce can encourage the growth of sooty mold, further damaging the plant.<br />
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==Conservation==<br />
The conservation status of treehoppers varies by species. Habitat destruction and climate change pose threats to treehopper populations, especially those in tropical regions where biodiversity is highest. Conservation efforts focus on preserving natural habitats and studying treehopper populations to understand their roles in ecosystems better.<br />
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[[Category:Insects]]<br />
[[Category:Hemiptera]]<br />
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