Pachybrachis
Utseende
Små, forholdsvis korte, sylindriske bladbiller, vanligvis farget i gult og svart - fargen varierer fra ensfarget gult til ensfarget svart, kan ha metallglans. Kroppen er kort, og butt både foran og bak. Det siste leddet av bakkroppen er synlig bak dekkvingene. Undersiden er noe «oppsvulmet». Antennene er ganske tynne og forholdsvis lange, gjerne lengre enn kroppen hos hannene, som ellers kan kjennes på forstørrede forbein.
Levevis
Hettebladbiller er særlig aktive i varme og solskinn. Flere arter er vanlige, mange av dem vanskelige å artsbestemme. Opplysninger om næringsplanten kan være til nyttige for en sikrere artsbetemmelse. Mange av artene lever på løvtrær. De voksne besøker også blomster for å ete pollen .
Systematisk inndeling
Liste (ufullstendig) over artene
Pachybrachis abdominalis (Bloch & Schneider, 1801)
Pachybrachis adspersa Suffrian, 1866
Pachybrachis alacris Fall, 1915
Pachybrachis alpinus Rapilly, 1982
Pachybrachis alticola Fall, 1915
Pachybrachis analis (Bloch, 1787)
Pachybrachis anoguttatus Suffrian, 1866
Pachybrachis antigae Weise, 1900
Pachybrachis aragonicus Tempere & Rapilly, 1981
Pachybrachis arizonensis Bowditch, 1909
Pachybrachis assiettae Burlini, 1968
Pachybrachis atomarius (F. E. Melsheimer, 1847)
Pachybrachis autolycus Fall, 1915
Pachybrachis azureus Suffrian, 1848
Pachybrachis badius Fall, 1915
Pachybrachis baeticus Weise, 1882
Pachybrachis bajulus Suffrian, 1852
Pachybrachis bivittatus (Linnaeus , 1758)
Pachybrachis bloxham (A. Bloxam, 1827)
Pachybrachis brevicollis J. L. LeConte, 1880
Pachybrachis brevicornis Fall, 1915
Pachybrachis brunneus (Günther, 1870)
Pachybrachis bullatus Fall, 1915
Pachybrachis burlinii Daccordi & Ruffo, 1971
Pachybrachis caelatus (Valenciennes, 1840)
Pachybrachis calcaratus Fall, 1915
Pachybrachis calidus Fall, 1915
Pachybrachis californicus Fall, 1915
Pachybrachis canigouensis Lambelet, 2005
Pachybrachis carbonarius Haldeman, 1849
Pachybrachis carolinensis Bowditch, 1910
Pachybrachis carpathicus Rey, 1883
Pachybrachis catalonicus Burlini, 1968
Pachybrachis cephalicus Fall, 1915
Pachybrachis chaoticus Fall, 1915
Pachybrachis chester
Pachybrachis cinctus Suffrian, 1848
Pachybrachis circumcinctus (Schreber, 1775)
Pachybrachis coloradensis Jacq.
Pachybrachis confederatus Fall, 1915
Pachybrachis conformis Suffrian, 1852
Pachybrachis confusus Bowditch, 1909
Pachybrachis congener Suffrian, 1866
Pachybrachis connexus Fall, 1915
Pachybrachis consimilis Fall, 1915
Pachybrachis conspirator Fall, 1915
Pachybrachis contractifrons Fall, 1915
Pachybrachis convictus Günther, 1864
Pachybrachis crassus Bowditch, 1909
Pachybrachis creticus Weise, 1886
Pachybrachis cribricollis Pic, 1907
Pachybrachis croftus Bowditch, 1909
Pachybrachis cruentus J. L. LeConte, 1880
Pachybrachis cylindricus Bowditch, 1909
Pachybrachis danieli Burlini, 1968
Pachybrachis deceptor
Pachybrachis delumbis Fall, 1915
Pachybrachis densus Bowditch, 1909
Pachybrachis desertus Fall, 1915
Pachybrachis dilatatus Suffrian, 1852
Pachybrachis discoideus Bowditch, 1909
Pachybrachis diversus Allen & Randall, 1993
Pachybrachis donneri Gosse, 1851
Pachybrachis dubiosus (Cuvier, 1830)
Pachybrachis duryi Fall, 1915
Pachybrachis eburifer Suffrian, 1866
Pachybrachis elegans Graells, 1851
Pachybrachis excisus Weise, 1897
Pachybrachis exclusus Rey, 1883
Pachybrachis falli Leng, 1920
Pachybrachis femoratus (Olivier, 1808)
Pachybrachis fimbriolatus Suffrian, 1848
Pachybrachis flexuosus Weise, 1882
Pachybrachis fortis Fall, 1915
Pachybrachis fractus Fall, 1915
Pachybrachis fraudolentus G.Muller, 1955
Pachybrachis freyi Burlini, 1957
Pachybrachis fulvipes Suffrian, 1848
Pachybrachis fuscipes Fall, 1915
Pachybrachis gracilipes Fall, 1915
Pachybrachis haematodes Suffrian, 1852
Pachybrachis hector Fall, 1915
Pachybrachis hepaticus (F. E. Melsheimer, 1847)
Pachybrachis hieroglyphicus (Laicharting, 1781)
Pachybrachis hippophaes Suffrian, 1848
Pachybrachis holerorum Montagna & Sassi
Pachybrachis hybridus Suffrian, 1852
Pachybrachis illectus Fall, 1915
Pachybrachis immaculatus (Bloch & Schneider, 1801)
Pachybrachis impurus Suffrian, 1852
Pachybrachis infaustus Haldeman, 1849
Pachybrachis insidiosus Fall, 1915
Pachybrachis integratus Fall, 1915
Pachybrachis jacobyi Soto-Adames & Taylor
Pachybrachis karamani Weise, 1893
Pachybrachis kentuckyensis
Pachybrachis korbi Weise, 1891
Pachybrachis kraatzi Weise, 1882
Pachybrachis lachrymosus Fall, 1915
Pachybrachis laetificus Marseul, 1875
Pachybrachis laevis Bowditch, 1909
Pachybrachis latithorax Clavareau, 1913
Pachybrachis leonardii Sassi & Scholler, 2003
Pachybrachis liebecki Fall, 1915
Pachybrachis limbatus (Menetries, 1836)
Pachybrachis lindbergi Burlini, 1963
Pachybrachis lineolatus Suffrian, 1848
Pachybrachis litigiosus Suffrian, 1852
Pachybrachis livens J. L. LeConte, 1858
Pachybrachis lodingi Bowditch, 1909
Pachybrachis longus Bowditch, 1909
Pachybrachis luctuosus Suffrian, 1858
Pachybrachis luridus (Fabricius, 1798)
Pachybrachis lustrans J. L. LeConte, 1880
Pachybrachis m-nigrum (F. E. Melsheimer, 1847)
Pachybrachis macronychus (Germar, 1824)
Pachybrachis marginatus Bowditch, 1909
Pachybrachis marginipennis Bowditch, 1909
Pachybrachis marmoratus Jacoby, 1889
Pachybrachis melanostictus Suffrian, 1852
Pachybrachis mellitus Trewavas, 1935
Pachybrachis mercurialis Fall, 1915
Pachybrachis microps Fall, 1915
Pachybrachis minor (Linnaeus)
Pachybrachis mitis (Jacq.) Gaudich. ex Griseb.
Pachybrachis mobilis Fall, 1915
Pachybrachis morosus Simon, 1886
Pachybrachis nero (Cuvier, 1832)
Pachybrachis nigricornis (Say, 1824)
Pachybrachis nigropunctatus Suffrian, 1854
Pachybrachis nobilis Fall, 1915
Pachybrachis nogalicus Fall, 1915
Pachybrachis notatus Bowditch, 1910
Pachybrachis nubigenus Fall, 1915
Pachybrachis nubilis Bowditch, 1909
Pachybrachis nunenmacheri Fall, 1915
Pachybrachis obfuscatus Fall, 1915
Pachybrachis obsoletus Suffrian, 1852
Pachybrachis osceola Fall, 1915
Pachybrachis osellai Daccordi & Ruffo, 1975
Pachybrachis othonus (Say, 1825)
Pachybrachis pagana (Olivier, 1808)
Pachybrachis pallidulus Suffrian, 1851
Pachybrachis parvinotatus Fall, 1915
Pachybrachis pawnee (Bloch & Schneider, 1801)
Pachybrachis peccans Suffrian, 1852
Pachybrachis pectoralis (F. E. Melsheimer, 1847)
Pachybrachis petitpierrei Daccordi, 1976
Pachybrachis petronius Fall, 1915
Pachybrachis picturatus (Ayres, 1855)
Pachybrachis picus Weise, 1882
Pachybrachis pinguescens Fall, 1915
Pachybrachis pinicola Medvedev in Rouse and Medvedev, 1972
Pachybrachis placidus Fall, 1915
Pachybrachis planifrons Wagner, 1927
Pachybrachis pluripunctatus Fall, 1915
Pachybrachis postfasciatus Fall, 1915
Pachybrachis pradensis Marseul, 1875
Pachybrachis praeclarus Weise, 1913
Pachybrachis precarius Fall, 1915
Pachybrachis prosopis Fall, 1915
Pachybrachis proximus Bowditch, 1909
Pachybrachis pteromelas Graells, 1858
Pachybrachis pulvinatus Suffrian, 1852
Pachybrachis punctatus Bowditch, 1909
Pachybrachis puncticollis Bowditch, 1909
Pachybrachis punicus Fall, 1915
Pachybrachis purus Fall, 1915
Pachybrachis pusillus Bowditch, 1909
Pachybrachis quadratus Fall, 1915
Pachybrachis quadricollis Suffrian, 1866
Pachybrachis quadrioculatus Fall, 1915
Pachybrachis regius Schaufuss, 1862
Pachybrachis relictus Fall, 1915
Pachybrachis roboris Fall, 1915
Pachybrachis rondanus Burlini, 1968
Pachybrachis ruffoi Burlini, 1956
Pachybrachis rugifer Abeille de Perrin, 1905
Pachybrachis salfii Burlini, 1957
Pachybrachis sanrita Bowditch, 1909
Pachybrachis scripticollis Faldermann, 1837
Pachybrachis scriptidorsum Marseul, 1875
Pachybrachis scriptus Herrich-Schäffer, 1838
Pachybrachis siculus Weise, 1891
Pachybrachis signatifrons Mannerheim, 1843
Pachybrachis signatus Bowditch, 1909
Pachybrachis simius Marseul, 1875
Pachybrachis sinuatus Mulsant & Rey, 1859
Pachybrachis snowi Bowditch, 1909
Pachybrachis sonorensis Jacoby, 1889
Pachybrachis spumarius Suffrian, 1852
Pachybrachis stygicus Fall, 1915
Pachybrachis subfasciatus (J. E. LeConte, 1824)
Pachybrachis sublimatus Fall, 1915
Pachybrachis subvittatus J. L. LeConte, 1880
Pachybrachis suffrianii Schaufuss, 1862
Pachybrachis suturalis (Weise, 1882)
Pachybrachis tacitus Moore, 1988
Pachybrachis terminalis Suffrian, 1849
Pachybrachis tessellatus (Olivier, 1791)
Pachybrachis testaceus Perris, 1865
Pachybrachis texanus Bowditch, 1909
Pachybrachis thoracicus (Linnaeus , 1758)
Pachybrachis tridens (F. E. Melsheimer, 1847)
Pachybrachis trinotatus (F. E. Melsheimer, 1847)
Pachybrachis truncatus Bowditch, 1909
Pachybrachis tumidus Bowditch, 1909
Pachybrachis turbidus
Pachybrachis turgidicollis Fall, 1915
Pachybrachis tybeensis Fall, 1915
Pachybrachis umbraculatus Guenée, 1868
Pachybrachis uncinatus Fall, 1915
Pachybrachis uteanus Dejean
Pachybrachis vacillatus Fall, 1915
Pachybrachis varians Bowditch, 1909
Pachybrachis varicolor Suffrian, 1852
Pachybrachis vau (Denis & Schiffermüller, 1775)
Pachybrachis vermicularis Suffrian, 1854
Pachybrachis vestigialis Fall, 1915
Pachybrachis viduatus (Zetterstedt, 1838)
Pachybrachis viedmai Burlini, 1968
Pachybrachis virgatus Kunth
Pachybrachis vulnerosus Fall, 1915
Pachybrachis wenzeli Fall, 1915
Pachybrachis wickhami Bowditch, 1909
Pachybrachis xantholucens Fall, 1915
Pachybrachis xanti Gill, 1860
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