Mastostethus

***Mastostethus*** er en slekt av biller som hører til gruppen trebladbiller (Megalopodidae). 

## Utseende
Middelsstore (ca. 10 millimeter), nokså brede, blanke, rødlige trebladbiller, kan ha svarte flekker. Oversiden er fint punktert med korte hår. Antennene er tynne, litt lengre enn hode + pronotum, utvidete mot spissen. Hodet har forholdsvis store, rundete, noe utstående fasettøyne. Pronotum er bredere enn langt, rundet med markerte bakhjørner. Dekkvingene er jevnbrede, mindre enn dobbelt så lange som til sammen brede, nokså kraftig punkterte. Beina er nokså korte og kraftige, bakbeina med litt tykke lår og krumme legger.

## Levevis
Trebladbillene er planteetere. Denne slekten kan finnes på mange ulike planter i trompettrefamilien, jernurtfamilien, amarantfamilien og vortemelkfamilien.

## Utbredelse
Slekten er utbredt i Mellom- og Sør-Amerika.

## Systematisk inndeling

* Ordenen biller, Coleoptera Linnaeus, 1758
** Underordenen Polyphaga Emery, 1886
*** Gruppen (infraorden) Cucujiformia Lameere, 1938
**** Overfamilien trebukker og bladbiller, Chrysomeloidea Latreille, 1802 (=Phytophaga)
***** Familien **[[trebladbiller]]**, (Megalopodidae)
****** Underfamilien **[[Megalopodinae]]**  
******* Slekten ***Mastostethus*** Lacordaire, 1845
******** *[[Mastostethus abbreviatus]]* (Klug, 1834)
******** *[[Mastostethus abdominalis]]* (Klug, 1824)
******** *[[Mastostethus albomaculatus]]* Pic, 1917
******** *[[Mastostethus alternans]]* (Klug, 1834)
******** *[[Mastostethus angustalisi]]* Pic, 1917
******** *[[Mastostethus angustovittatus]]* Jacoby, 1892
******** *[[Mastostethus argentinensis]]* Jacoby, 1892
******** *[[Mastostethus atrofasciatus]]* (Blanchard, 1843)
******** *[[Mastostethus aulicus]]* Lacordaire, 1845
******** *[[Mastostethus aurantiacus]]* (Blanchard, 1843)
******** *[[Mastostethus balyi]]* Jacoby, 1904
******** *[[Mastostethus basalis]]* Baly, 1879
******** *[[Mastostethus bicolor]]* (Klug, 1824)
******** *[[Mastostethus binotatus]]* (Klug, 1824)
******** *[[Mastostethus bipunctatus]]* (Klug, 1824)
******** *[[Mastostethus bivittatus]]* Pic, 1919
******** *[[Mastostethus bizonatus]]* Clark, 1866
******** *[[Mastostethus bolivianus]]* Jacoby, 1904
******** *[[Mastostethus braziliensis]]* Papp, 1949
******** *[[Mastostethus buckleyi]]* Baly, 1879
******** *[[Mastostethus cardinalis]]* (Klug, 1834)
******** *[[Mastostethus chontalensis]]* Jacoby, 1880
******** *[[Mastostethus cordovensis]]* Jacoby, 1888
******** *[[Mastostethus costaricensis]]* Guerin, 1948
******** *[[Mastostethus curvatus]]* (Fabricius, 1801)
******** *[[Mastostethus curvipes]]* (Fabricius, 1801)
******** *[[Mastostethus cyclostigma]]* Bates, 1866
******** *[[Mastostethus decoratus]]* Guérin, 1945
******** *[[Mastostethus dentatus]]* (Klug, 1824)
******** *[[Mastostethus depressus]]* (Klug, 1834)
******** *[[Mastostethus diadema]]* (Klug, 1834)
******** *[[Mastostethus dimidiatus]]* (Klug, 1824)
******** *[[Mastostethus discoidalis]]* Pic, 1917
******** *[[Mastostethus disjunctus]]* Pic, 1916
******** *[[Mastostethus distinctus]]* Lacordaire, 1845
******** *[[Mastostethus donckieri]]* Pic, 1916
******** *[[Mastostethus duplocinctus]]* Clark, 1866
******** *[[Mastostethus elongatus]]* Guérin, 1944
******** *[[Mastostethus ephippiger]]* (Mannerheim, 1826)
******** *[[Mastostethus erichsoni]]* Jacoby, 1904
******** *[[Mastostethus erythrosoma]]* (Blanchard, 1843)
******** *[[Mastostethus fecialis]]* Bates, 1866
******** *[[Mastostethus femoralis]]* Pic, 1950
******** *[[Mastostethus femoratus]]* Jacoby, 1888
******** *[[Mastostethus ferrugineus]]* (Olivier, 1791)
******** *[[Mastostethus flavovittatus]]* Jacoby, 1903
******** *[[Mastostethus flavus]]* Pic, 1946
******** *[[Mastostethus fraternus]]* Baly, 1876
******** *[[Mastostethus frontalinotatus]]* Clark, 1866
******** *[[Mastostethus frontalis]]* (Klug, 1824)
******** *[[Mastostethus funereus]]* Jacoby, 1904
******** *[[Mastostethus germari]]* Lacordaire, 1845
******** *[[Mastostethus gounellei]]* Pic, 1916
******** *[[Mastostethus gozioi]]* Rodríguez-Mirón, 2017
******** *[[Mastostethus gracilentus]]* Jacoby, 1888
******** *[[Mastostethus gracilis]]* Rodríguez-Mirón, 2017
******** *[[Mastostethus haematomelas]]* Lacordaire, 1845
******** *[[Mastostethus hieroglyphicus]]* (Klug, 1834)
******** *[[Mastostethus histrio]]* Lacordaire, 1845
******** *[[Mastostethus humeralis]]* Pic, 1916
******** *[[Mastostethus humeronotatus]]* Jacoby, 1888
******** *[[Mastostethus imitans]]* Jacoby, 1888
******** *[[Mastostethus inornatus]]* Bates, 1866
******** *[[Mastostethus jabaquarensis]]* Guérin, 1944
******** *[[Mastostethus jacobyi]]* Clavareau, 1905
******** *[[Mastostethus jansoni]]* Baly, 1876
******** *[[Mastostethus javeti]]* Baly, 1859
******** *[[Mastostethus jekeli]]* Baly, 1859
******** *[[Mastostethus lacordairei]]* Jacoby, 1904
******** *[[Mastostethus lateritius]]* (Klug, 1834)
******** *[[Mastostethus lavatus]]* Baly, 1861
******** *[[Mastostethus lineatus]]* Pic, 1916
******** *[[Mastostethus maculicollis]]* Lacordaire, 1845
******** *[[Mastostethus martinezi]]* Monrós, 1946
******** *[[Mastostethus melanopterus]]* Guérin, 1944
******** *[[Mastostethus minutus]]* Monrós, 1947
******** *[[Mastostethus modestus]]* Jacoby, 1880
******** *[[Mastostethus monostigma]]* Bates, 1866
******** *[[Mastostethus multinotatus]]* Pic, 1917
******** *[[Mastostethus multipunctatus]]* Lacordaire, 1845
******** *[[Mastostethus nigricollis]]* Jacoby, 1904
******** *[[Mastostethus nigrifrons]]* Lacordaire, 1845
******** *[[Mastostethus nigripennis]]* Lacordaire, 1845
******** *[[Mastostethus nigrocinctus]]* (Chevrolat, 1834)
******** *[[Mastostethus nigrofasciatus]]* Jacoby, 1890
******** *[[Mastostethus nigroscutus]]* Pic, 1916
******** *[[Mastostethus nigrovarius]]* Jacoby, 1904
******** *[[Mastostethus notaticollis]]* Clark, 1866
******** *[[Mastostethus novemmaculatus]]* (Klug, 1834)
******** *[[Mastostethus obliquus]]* (Fabricius, 1801)
******** *[[Mastostethus octomaculatus]]* Jacoby, 1888
******** *[[Mastostethus pallidofasciatus]]* Pic, 1917
******** *[[Mastostethus panamensis]]* Jacoby, 1888
******** *[[Mastostethus pantherinus]]* Lacordaire, 1845
******** *[[Mastostethus pascoei]]* Baly, 1859
******** *[[Mastostethus perroudi]]* Pic, 1946
******** *[[Mastostethus peruensis]]* Jacoby, 1903
******** *[[Mastostethus phaleratus]]* (Klug, 1834)
******** *[[Mastostethus philemon]]* Baly, 1863
******** *[[Mastostethus picticollis]]* Baly, 1876
******** *[[Mastostethus pictus]]* Baly, 1876
******** *[[Mastostethus placidus]]* Baly, 1876
******** *[[Mastostethus plato]]* Bates, 1866
******** *[[Mastostethus pullatus]]* Bates, 1866
******** *[[Mastostethus punctiger]]* Kirsch, 1873
******** *[[Mastostethus quadrilineatus]]* Guérin-Ménéville, 1852
******** *[[Mastostethus quadrinotatus]]* Erichson, 1846
******** *[[Mastostethus quadriplagiatus]]* Jacoby, 1903
******** *[[Mastostethus quadripunctatus]]* (Klug, 1834)
******** *[[Mastostethus quinquemaculatus]]* Lacordaire, 1845
******** *[[Mastostethus robustus]]* Clark, 1866
******** *[[Mastostethus rogersi]]* Jacoby, 1880
******** *[[Mastostethus rubricollis]]* (Chevrolat, 1834)
******** *[[Mastostethus ruficauda]]* (Forsberg, 1821)
******** *[[Mastostethus rufipennis]]* (Mannerheim, 1826)
******** *[[Mastostethus salvini]]* Jacoby, 1878
******** *[[Mastostethus sanguineus]]* Lacordaire, 1845
******** *[[Mastostethus sejunctus]]* Bates, 1866
******** *[[Mastostethus sexguttatus]]* Lacordaire, 1845
******** *[[Mastostethus sexpunctatus]]* (Klug, 1834)
******** *[[Mastostethus sigma]]* Bates, 1866
******** *[[Mastostethus signatipennis]]* Pic, 1917
******** *[[Mastostethus sobrinus]]* Lacordaire, 1845
******** *[[Mastostethus speciosus]]* Baly, 1876
******** *[[Mastostethus stalii]]* Baly, 1861
******** *[[Mastostethus stramineus]]* Baly, 1876
******** *[[Mastostethus suavis]]* Bates, 1866
******** *[[Mastostethus tarsatus]]* Lacordaire, 1845
******** *[[Mastostethus terminalis]]* (Blanchard, 1843)
******** *[[Mastostethus thoracicus]]* Baly, 1859
******** *[[Mastostethus tibialis]]* (Fabricius, 1801)
******** *[[Mastostethus transversalis]]* Lacordaire, 1845
******** *[[Mastostethus triangulifer]]* Pic, 1916
******** *[[Mastostethus tricinctus]]* Lacordaire, 1845
******** *[[Mastostethus tricolor]]* Kirsch, 1865
******** *[[Mastostethus trigeminus]]* Lacordaire, 1845
******** *[[Mastostethus unifasciatus]]* Pic, 1916
******** *[[Mastostethus uniplagiatus]]* Lucas, 1857
******** *[[Mastostethus variegatus]]* (Klug, 1824)
******** *[[Mastostethus verticalis]]* (Klug, 1834)
******** *[[Mastostethus vexillarius]]* Bates, 1866
******** *[[Mastostethus vicinus]]* Lacordaire, 1845
******** *[[Mastostethus vittatus]]* (Klug, 1824)
******** *[[Mastostethus zonatus]]* (Klug, 1834)

## Kilder
* G. M. Rodriguez-Mirón (2018) Checklist of the family Megalopodidae Latreille (Coleoptera: Chrysomeloidea); a synthesis of its diversity and distribution. Zootaxa 4434: 265-302 https://www.researchgate.net/publication/325791455_Checklist_of_the_family_Megalopodidae_Latreille_Coleoptera_Chrysomeloidea_a_synthesis_of_its_diversity_and_distribution

## Eksterne lenker
* Nettside med bilder av noen av artene
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