Coleoptera
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https://doi.org/10.1046/j.1439-0469.2001.00155.x |
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https://doi.org/10.5281/zenodo.6279495 |
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persistent identifier |
https://treatment.plazi.org/id/0394A359-2F61-8E18-02BA-FBEBFD09FA06 |
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treatment provided by |
PlaziZenodoSync |
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Coleoptera |
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28 Coleoptera View in CoL View at ENA
Tarsi are fivesegmented in most groups of Coleoptera . However reduction in number of tarsomeres occurs in several lineages (e.g. Chrysomeloidea). The ventral side of the proximal tarsomeres is covered with a very dense layer of hairs in males or both sexes of many coleopteran species ( Fig. 3d View Fig. 3 , 5B,G,H View Fig. 5 ). This is considered as a groundplan feature of the order. Tarsal hairs are transformed into larger or smaller suckers in representatives of some aquatic groups of Adephaga such as Gyrininae and Dytiscinae . In Priacma serrata (Archostemata), the hairs are branched in a featherlike pattern ( Fig. 5C,D,F View Fig. 5 ). Arolium, pulvilli, and euplantulae are absent from adults and most larvae of Coleoptera . An aroliumlike structure is present in larvae of Chrysomelidae ( Gannon et al. 1994) .
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