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Sternorrhyncha

Order of true bugs From Wikipedia, the free encyclopedia

Sternorrhyncha
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The Sternorrhyncha[1][2][3] suborder of the Hemiptera contains the aphids, whiteflies, and scale insects, groups which were traditionally included in the now-obsolete order "Homoptera". The name "Sternorrhyncha" refers to the rearward position of the mouthparts relative to the head.

Quick Facts Scientific classification, Superfamilies ...

Distributed worldwide, all members of this group are plant-feeders, many considered pests feeding on major crops and ornamental plants.

Many exhibit modified morphology and/or life cycles, including phenomena such as flightless morphs, parthenogenesis, sexual dimorphism, and eusociality.

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Phylogeny

The phylogeny of the extant Sternorrhyncha, inferred from analysis of small subunit (18S) ribosomal RNA, is shown in the cladogram.[citation needed]

Sternorrhyncha

Psylloidea (jumping plant lice, etc.) Thumb

Aleyrodoidea (whiteflies) Thumb

Coccoidea (scale insects) Thumb

Aphidomorpha

Phylloxeroidea (phylloxera bugs)

Aphididae (aphids) Thumb

The evolutionary position of several fossil taxa are unclear. A suggested phylogeny is:[4][5]

Pincombeomorpha

Boreoscytidae

Pincombeidae

Simulaphididae

Coccidomorpha

Naibiomorpha

Dracaphididae

Naibiidae

Sinojuraphididae

Aphidomorpha

Protopsyllidioidea

Dinglomorpha

Aleyrodomorpha

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Groups

Well-known groups in the Sternorrhyncha include:

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References

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