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The genus Chelobasis

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Chelobasis was proposed by Gray (1832) for the new species Ch. bicolor from South America. Weise (1911a) transferred Arescus perplexus Baly 1858, A. laevicollis Waterhouse 1879, and A. aemulus Waterhouse 1881 to Chelobasis. Maulik (1931) described the larva of Ch. bicolor. Maulik (1932) illustrated and discussed the larva of Ch. perplexa. Chelobasis is one of four genera placed in the tribe Arescini Chapuis (Staines 2002). The tribe can be distinguished from all other Cassidinae by the following combination of characters: elytron without costae, elytral punctures little impressed, pronotum with seta in each anterior angle, antennae with 11-antennomeres, antennae not separated by longitudinal keel, pro- and mesocoxae very large. Head: frontal horn truncate at apex; vertex impunctate, depressed between eyes. Antenna: antennomere 1 lengthened into a ventral process which is as long as antennomere 2. Pronotum: quadrate; anterior margin bisinuate, not deeply bilobed; seta present in each anterior angle; punctate laterallyand basally. Scutellum: elongate, triangular. Elytron: margined laterally; apices conjointly rounded; with 10 rows of punctures; non-costate; male without apical appendage. Venter: mesocoxae separated by the diameterof a coxa; prosternal process projecting between mesocoxae; pro- and mesotibiae expanded at apex. Malegenitalia: aedeagus curved, apex acute; apical orifice nearly as wide as apex of aedeagus.Species of Chelobasis are extremely variable in coloration and markings. There have been subspecies andvarieties proposed but these are merely color forms and are herein treated as synonyms under each species.The male and female genitalia were examined and found not to have any taxonomic value. Sexual dimorphism is absent.

Biology (from Strong 1983). Chelobasis bicolor Gray and C. perplexa Baly develop in the rolled leavesof various species of Zingiberales. Eggs are laid on wet, tender tissue of the host plant and hatch in about 20days. Larvae begin feeding in rolled leaves immediately after hatching. Development is slow, requiring atleast eight months until pupation. Larvae require more than one leaf-roll to complete development and movefrom maturing leaf-rolls to more tender leaf-rolls at night. Larvae are water penny-like, but much larger andmore elongate than Cephaloleia Chevrolat, 1837. Adults are polymorphic and long-lived. In marked recapturestudies, adult beetles were found up to 18 months after marking. It is assumed that other species in this genuswill be found on Zingiberales.

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Charles L. Staines
bibliographic citation
Staines CL (2009) A review of the genus Chelobasis Gray, 1832 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2033: 58–68.
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Carlos Garcia-Robledo (garciac)
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Chelobasis ( Spanish; Castilian )

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Chelobasis es un género de escarabajos de la familia Chrysomelidae. En 1905 Gray describió el género. Contiene las siguientes especies:[1]

Referencias

  1. «Chelobasis» (en inglés). EOL. Consultado el 16 de enero de 2016.

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Chelobasis: Brief Summary ( Spanish; Castilian )

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Chelobasis es un género de escarabajos de la familia Chrysomelidae. En 1905 Gray describió el género. Contiene las siguientes especies:​

Chelobasis aemulus (Waterhouse, 1881) Chelobasis bicolor Gray, 1832 Chelobasis laevicollis (Waterhouse, 1879) Chelobasis perplexa (Baly, 1858)
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Chelobasis ( Dutch; Flemish )

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Insecten

Chelobasis is een geslacht van kevers uit de familie bladhaantjes (Chrysomelidae).[1] Het geslacht is voor het eerst wetenschappelijk beschreven in 1832 door Gray.

Soorten

Het geslacht omvat de volgende soorten:

Bronnen, noten en/of referenties
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Chelobasis: Brief Summary ( Dutch; Flemish )

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Chelobasis is een geslacht van kevers uit de familie bladhaantjes (Chrysomelidae). Het geslacht is voor het eerst wetenschappelijk beschreven in 1832 door Gray.

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Chelobasis ( Norwegian )

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Chelobasis er en slekt av biller som tilhører familiegruppen bladbiller (Chrysomelidae). Både larvene og de voksne (imago) er planteetere.

Utseende

Middelsstore, avlange, blanke, gule eller røde og svarte bladbiller, ikke typisk utseende til skjoldbiller å være. Hodet er lite, med et smalt, neseaktig fremspring mellom antennene, pronotum rektangulært og dekkvingene nokså jevnbrede med tydelige punktrader. Antennene er ganske tynne, omtrent så lange som hode + pronotum.

Levevis

Både larver og voksne lever på planter og eter fra dem. Disse artene lwever på slekten Heliconia (Heliconiaceae) og bananplanter.

Utbredelse

Slekten lever i Mellom- og Sør-Amerika, fra Guatemala i nord til Bolivia i sør.

Systematisk inndeling

Hispinae inkluderer noen ganger gruppen (underfamilien) skjoldbiller, da som stammen Cassidini, i denne oversikten er den holdt utenfor, og plassert inn i som søstergruppen skjoldbiller. Andre klassifikasjoner plasserer denne gruppen (som Hispini) som en undergruppe av skjoldbillene.

Treliste

Litteratur

Eksterne lenker

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Chelobasis: Brief Summary ( Norwegian )

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Chelobasis er en slekt av biller som tilhører familiegruppen bladbiller (Chrysomelidae). Både larvene og de voksne (imago) er planteetere.

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Chelobasis ( Vietnamese )

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Chelobasis là một chi bọ cánh cứng trong họ Chrysomelidae.[1] Chi này được Gray miêu tả khoa học năm 1832.

Các loài

Các loài trong chi này gồm:

Chú thích

Tham khảo

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Chelobasis: Brief Summary ( Vietnamese )

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Chelobasis là một chi bọ cánh cứng trong họ Chrysomelidae. Chi này được Gray miêu tả khoa học năm 1832.

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