Megalognatha er en slekt av biller som tilhører familiegruppen bladbiller (Chrysomelidae). Det er kjent 93 arter[1] .
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Middelsstore, avlange, glatte og blanke, gjerne rød- eller gulaktige bladbiller . Antennene er trådformede.
Både larvene og de voksne (imago) er planteetere, ofte på busker og trær. Noen av artene kan opptre i store mengder og snauspise vertsplantene i enkelte år. De voksne billene flyr godt og kan forflytte seg over betydelige avstander.
Slekten er utbredt i Afrika.
Megalognatha unipunctata
Treliste
orden biller (Coleoptera)
underorden Polyphaga
overfamilie Chrysomeloidea Latreille, 1802 (=Phytophaga)
familien bladbiller (Chrysomelidae Latreille, 1802 )
underfamilien trådbladbiller , Galerucinae Latreille, 1802
stammen Luperini Gistel, 1856
slekten Megalognatha Balý, 1878
Megalognatha abyssiniaca Jacoby, 1886
Megalognatha aenea Laboissiere, 1920
Megalognatha alutaceipennis Laboissiere, 1937
Megalognatha angolensis Laboissiere, 1939
Megalognatha apicalis Weise , 1904
Megalognatha apicicornis Laboissiere, 1926
Megalognatha babaulti Laboissiere, 1920
Megalognatha bayeri Laboissiere, 1926
Megalognatha bequaerti Laboissiere, 1926
Megalognatha berneri Laboissiere, 1939
Megalognatha bicolora Laboissiere, 1926
Megalognatha bicostata Allard, 1889
Megalognatha bisulcata Laboissiere, 1927
Megalognatha bryanti Laboissiere, 1927
Megalognatha burgeoni Laboissiere, 1940
Megalognatha camerounensis Laboissiere, 1927
Megalognatha carinata Laboissiere, 1921
Megalognatha castaneipennis Laboissiere, 1927
Megalognatha cavicollis Baly, 1878
Megalognatha chevalieri Laboissiere, 1921
Megalognatha cruciata Jacoby, 1883
Megalognatha cyanipennis Weise, 1902
Megalognatha deformicornis (Quedenfeldt, 1888)
Megalognatha diluta Laboissiere, 1927
Megalognatha elegans Baly, 1878
Megalognatha ephippiata Laboissiere, 1927
Megalognatha ertli Weise, 1907
Megalognatha exosomoides Laboissiere, 1927
Megalognatha fasciata Laboissiere, 1927
Megalognatha femoralis Laboissiere, 1940
Megalognatha festvai (Fabricius, 1781)
Megalognatha fulvilabris Laboissiere, 1926
Megalognatha granulicollis Jacoby, 1903
Megalognatha grisea Weise, 1903
Megalognatha grouvellei Weise, 1912
Megalognatha guttata Laboissiere, 1927
Megalognatha hamaticornis Laboissiere, 1927
Megalognatha hirticollis Jacoby, 1903
Megalognatha imbecilla Weise, 1902
Megalognatha inconspicua Jacoby, 1906
Megalognatha kapiriensis Laboissiere, 1926
Megalognatha longicollis Laboissiere, 1927
Megalognatha lundana Laboissiere, 1939
Megalognatha maculicollis Laboissiere, 1927
Megalognatha majorina Laboissiere, 1927
Megalognatha marginata Laboissiere, 1927
Megalognatha maynei Laboissiere, 1927
Megalognatha melanaria Laboissiere, 1926
Megalognatha melanocephala Jacoby, 1903
Megalognatha meruensis Weise, 1909
Megalognatha metallica Jacoby, 1886
Megalognatha monardi Laboissiere, 1939
Megalognatha montana Laboissiere, 1939
Megalognatha mystaxa Grobbelaar, 1993
Megalognatha natalensis Jacoby, 1903
Megalognatha neavei Laboissiere, 1926
Megalognatha nigroaenea Laboissiere, 1926
Megalognatha nigrocastanea Laboissiere, 1931
Megalognatha nigrofasciata Jacoby, 1903
Megalognatha nodicornis Laboissiere, 1927
Megalognatha nyassensis Laboissiere, 1926
Megalognatha pilicollis Laboissiere, 1940
Megalognatha pilosa Laboissiere, 1926
Megalognatha pimenteli Laboissiere, 1939
Megalognatha procera Quedenfeldt, 1888
Megalognatha pubescens Laboissiere, 1926
Megalognatha pygidialis Laboissiere, 1926
Megalognatha reflecta Laboissiere, 1926
Megalognatha rohani Laboissiere, 1921
Megalognatha rolleti Laboissiere, 1926
Megalognatha ruandana Weise, 1913
Megalognatha ruficollis Allard, 1889
Megalognatha rufiventris Baly, 1878
Megalognatha rugipennis Laboissiere, 1927
Megalognatha scopsorum Laboissiere, 1940
Megalognatha scopularipes Laboissiere, 1927
Megalognatha semicincta Laboissiere, 1940
Megalognatha sheppardi Jacoby, 1906
Megalognatha similis Laboissiere, 1926
Megalognatha simplex Weise, 1904
Megalognatha spillmanni Laboissiere, 1939
Megalognatha subcylindrica Baly, 1878
Megalognatha sudanica Laboissiere, 1926
Megalognatha suturalis Baly, 1878
Megalognatha tinantae Laboissiere, 1926
Megalognatha torquata Laboissiere, 1927
Megalognatha triplagiata Laboissiere, 1927
Megalognatha unifasciata Jacoby, 1883
Megalognatha usambarica Weise, 1904
Megalognatha variicornis Weise, 1902
Megalognatha ventricosa Baly, 1878
Megalognatha versicolora Laboissiere, 1926
Megalognatha verticalis Laboissiere, 1939
Megalognatha vicina Laboissiere, 1926
Megalognatha viridipennis Weise, 1907
Megalognatha weisei Jacoby, 1906
Rui-E Nie, Jan Bezdek & Xing-Ke Yang (2017) How many genera and species of Galerucinae s. str. do we know? Updated statistics (Coleoptera, Chrysomelidae). ZooKeys 720: 91-102.