Systena

Systena er en slekt av biller som tilhører familiegruppen bladbiller (Chrysomelidae).

Utseende 
Små, avlange, blanke, ofte brokete fargede jordlopper. Noen arter er mørke med metallisk glans, andre er brunrøde eller farget i gult, rødt og svart.

Levevis 
Denne slekten kan leve på urter av en rekke ulike plantefamilier.

Utbredelse 
Slekten er vidt utbredt i Nord-, Mellom- og Sør-Amerika, med flest arter i den neotropiske økosonen.

Systematisk inndeling  

 orden biller (Coleoptera)
 underorden Polyphaga
 overfamilie Chrysomeloidea Latreille, 1802 (=Phytophaga) 
 familien  bladbiller (Chrysomelidae Latreille, 1802) 
 underfamilien jordlopper, Alticinae Newman, 1834
 stammen Alticini
 understammen Systenina
 Slekten Systena Chevrolat in Dejean, 1836
 Systena abbreviata Jacoby, 1902
 Systena antennata Jacoby, 1905
 Systena apicicornis Jacoby, 1884
 Systena argentinensis Jacoby, 1905
 Systena basalis Jacquelin du Val, 1856
 Systena batesi Balý, 1864
 Systena bicolor Jacoby, 1897
 Systena bifasciata Jacoby, 1888
 Systena bitaeniata (J. L. LeConte, 1859)
 Systena blanda F. E. Melsheimer, 1847
 Systena brasiliensis Jacoby, 1902
 Systena brunneovittata Jacoby, 1884
 Systena brunnipennis Clark, 1865
 Systena c-nigrum Jacoby, 1899
 Systena californica Blake, 1935
 Systena carri Blake, 1935
 Systena championi Jacoby, 1884
 Systena chloropus Harold, 1876
 Systena clarki Jacoby, 1902
 Systena coerulata Balý, 1877
 Systena coeruleipennis Suffrian, 1868
 Systena collaris Crotch, 1873
 Systena contigua Jacoby, 1884
 Systena corni Schaeffer, 1932
 Systena coxalis Jacoby, 1884
 Systena deyrollei Balý, 1877
 Systena dilatipennis Jacoby, 1884
 Systena dimorpha Blake, 1933
 Systena discoidalis Jacoby, 1883
 Systena elongata (Fabricius, 1798)
 Systena exclamationis Boheman, 1859
 Systena filiformis (Fabricius, 1801)
 Systena frontalis (Fabricius, 1801)
 Systena gracilenta Blake, 1933
 Systena hudsonias (Forster, 1771)
 Systena humeralis Clark, 1865
 Systena interrogationis Clark, 1865
 Systena laevis Blake, 1935
 Systena laticollis Jacoby, 1884
 Systena laurentia Bechyné, 1955
 Systena lherminieri Bryant, 1942
 Systena longicornis Jacoby, 1884
 Systena lugubris Clark, 1865
 Systena marginalis (Illiger, 1807)
 Systena marginata Jacoby, 1884
 Systena marginicollis Clark, 1865
 Systena marmorata Jacoby, 1885
 Systena megasceloides Jacoby, 1885
 Systena melanocephala Jacoby, 1905
 Systena mesochlora Blake, 1935
 Systena metallica Jacoby, 1884
 Systena mexicana Jacoby, 1884
 Systena minuta Jacoby, 1891
 Systena mitis (J. L. LeConte, 1858)
 Systena mustela Clark, 1865
 Systena nigroplagiata Jacoby, 1884
 Systena nitentula Bechyné, 1954
 Systena novemmaculata Clark, 1865
 Systena oberthueri Balý, 1878
 Systena ornata Balý, 1877
 Systena pallicornis Schaeffer, 1906
 Systena pallipes Schwarz, 1878
 Systena palmeri Jacoby, 1884
 Systena pectoralis Clark, 1865
 Systena plagiata Clark, 1865
 Systena plicata Blatchley, 1921
 Systena puberula Weise, 1921
 Systena punctatissima Jacoby, 1902
 Systena puncticollis Jacoby, 1884
 Systena punctulata Harold, 1875
 Systena quadricollis Jacoby, 1884
 Systena regularis Jacoby, 1884
 Systena robusta Jacoby, 1891
 Systena s-littera (Linnaeus, 1758)
 Systena scutellaris Jacoby, 1884
 Systena sexnotata Fall, 1910
 Systena semivittata Jacoby, 1884
 Systena subcostata Jacoby, 1884
 Systena subrugosa Jacoby, 1884
 Systena sulphurea Jacoby, 1891
 Systena suturalis Clark, 1865
 Systena taeniata (Say, 1824)
 Systena tenuis Bechyné
 Systena testaceovittata Clark, 1865
 Systena thoracica Jacoby, 1884
 Systena tincta Clark, 1865
 Systena tumidicollis Weise, 1921
 Systena undulata Jacoby, 1884
 Systena ustulata Haold, 1875
 Systena varia Weise, 1885
 Systena variabilis Jacoby, 1884
 Systena variata Schaeffer, 1932
 Systena viridilimbata Jacoby, 1891
 Systena viridipennis Jacoby, 1884

Eksterne lenker 
 bugguide.net - bildedatabase over nordamerikanske insekter
 

Bladbiller
Biller formelt beskrevet i 1836