Pachydema

***Pachydema*** er en slekt av biller som har larver som eter planterøtter. De hører til underfamilien oldenborrer (Melolonthinae) i den store gruppen skarabider (Scarabaeoidea).

## Utseende
Middelsstore (gjerne 10–15 millimeter), avlange, rødlige eller brunlige oldenborrer. Oversiden er fint hårete og ikke særlig blank.

## Utbredelse
Slekten mangler i Europa, men det er funnet 17 arter på Kanariøyene. Ellers er det mange arter i Nord-Afrika, østover til Sinai-halvøya.

## Systematisk inndeling

* Ordenen biller, Coleoptera
** Underordenen Polyphaga
*** Overfamilien skarabider, Scarabaeoidea
**** Familien skarabider (Scarabaeidae) Latreille, 1806
***** Underfamilien oldenborrer, (Melolonthinae) Samouelle, 1819
******* Gruppen Pachydemini 
******** Slekten *Pachydema* Laporte de Castelnau, 1832 - ca. 100 arter, gjerne ført til en egen stamme, Pachydemini
********* *[[Pachydema abeillei]]* Fairmaire, 1881
********* *[[Pachydema adusta]]* Karsch, 1881
********* *[[Pachydema albipilis]]* (Reitter, 1902)
********* *[[Pachydema albolanosa]]* (Fairmaire, 1873)
********* *[[Pachydema amphicomella]]* Peyerimhoff, 1943
********* *[[Pachydema angustipalpis]]* Normand, 1951
********* *[[Pachydema anthracina]]* Fairmaire, 1860
********* *[[Pachydema antoinei]]* Baraud, 1979
********* *[[Pachydema ariasi]]* Escalera, 1914
********* *[[Pachydema autumnalis]]* Normand, 1915
********* *[[Pachydema bertiae]]* Baraud, 1982
********* *[[Pachydema bipartita]]* (Brullé, 1838)
********* *[[Pachydema buettikeri]]* Sabatinelli & Pontuale, 1998
********* *[[Pachydema bullata]]* Burmeister, 1855
********* *[[Pachydema caesariata]]* Normand, 1925
********* *[[Pachydema cambeforti]]* Chavanon & Zirari, 1998
********* *[[Pachydema cartereaui]]* Fairmaire, 1868
********* *[[Pachydema carthaginensis]]* (Rambur, 1843)
********* *[[Pachydema castanea]]* (Brullé, 1838)
********* *[[Pachydema cinctipennis]]* Peyerimhoff, 1945
********* *[[Pachydema concinna]]* Burmeister, 1855
********* *[[Pachydema confinalis]]* Peyerimhoff, 1945
********* *[[Pachydema conica]]* Reitter, 1902
********* *[[Pachydema curvipedes]]* Escalera, 1914
********* *[[Pachydema decorosa]]* Normand, 1936
********* *[[Pachydema demoflysi]]* Normand, 1936
********* *[[Pachydema doriae]]* Fairmaire, 1875
********* *[[Pachydema doumeti]]* Mayet, 1887
********* *[[Pachydema doursi]]* Lucas, 1859
********* *[[Pachydema dubitalis]]* Reitter, 1902
********* *[[Pachydema emflusi]]* Escalera, 1914
********* *[[Pachydema eremicola]]* Peyerimhoff, 1927
********* *[[Pachydema fortunatorum]]* Baraud, 1985
********* *[[Pachydema foveiceps]]* Marseul, 1878
********* *[[Pachydema foveola]]* Lucas, 1859
********* *[[Pachydema fuscipennis]]* (Brullé, 1838)
********* *[[Pachydema getula]]* Baraud, 1979
********* *[[Pachydema girardi]]* Baraud, 1982
********* *[[Pachydema gomerae]]* López-Colón, 1999
********* *[[Pachydema gourvesi]]* Baraud, 1985
********* *[[Pachydema grandipalpis]]* (Reitter, 1902)
********* *[[Pachydema hingrati]]* Chavanon & François, 2015 - Marokko
********* *[[Pachydema hirticollis]]* (Fabricius, 1787)
********* *[[Pachydema hontoriai]]* Escalera, 1914
********* *[[Pachydema hornbecki]]* Lucas, 1859
********* *[[Pachydema icositana]]* Baraud, 1979
********* *[[Pachydema immanipalpis]]* Baraud, 1979
********* *[[Pachydema immatura]]* Burmeister, 1855
********* *[[Pachydema integra]]* (Wollaston, 1864)
********* *[[Pachydema israelitica]]* Crotch, 1872
********* *[[Pachydema jeannei]]* Baraud, 1980
********* *[[Pachydema keithi]]* Lacroix, 2000
********* *[[Pachydema lamotteae]]* Miessen, 2000
********* *[[Pachydema lesnei]]* Peyerimhoff, 1927
********* *[[Pachydema lethierryi]]* Lucas, 1861
********* *[[Pachydema lucasi]]* Reiche, 1859
********* *[[Pachydema lucianae]]* Peyerimhoff, 1925
********* *[[Pachydema marmottani]]* Fairmaire, 1868
********* *[[Pachydema marraquensis]]* Escalera, 1914
********* *[[Pachydema megalops]]* Micó & Galante, 2009
********* *[[Pachydema menieri]]* Baraud, 1985
********* *[[Pachydema mogadorica]]* Escalera, 1914
********* *[[Pachydema monodi]]* Lacroix, 1999
********* *[[Pachydema mozabensis]]* Baraud, 1979
********* *[[Pachydema navatteae]]* Baraud, 1985
********* *[[Pachydema nitidicollis]]* Fairmaire, 1876
********* *[[Pachydema nocturna]]*  Crotch, 1872
********* *[[Pachydema normandi]]* Baraud, 1979
********* *[[Pachydema obscura]]* (Brullé, 1838)
********* *[[Pachydema obscurata]]* Fairmaire, 1883
********* *[[Pachydema obscurella]]* (Wollaston, 1864)
********* *[[Pachydema oraniensis]]* Lucas, 1869
********* *[[Pachydema oromii]]* López-Colón, 1986
********* *[[Pachydema otini]]* Peyerimhoff, 1945
********* *[[Pachydema palposa]]* (Reitter, 1902)
********* *[[Pachydema peltastes]]* (Marseul, 1879)
********* *[[Pachydema peyerimhoffi]]* Baraud, 1979
********* *[[Pachydema phylloperthoides]]* Reitter, 1902
********* *[[Pachydema pilosa]]* Walker, 1871
********* *[[Pachydema rebellis]]* Normand, 1925
********* *[[Pachydema renaudi]]* Chavanon & François, 2014 - Marokko
********* *[[Pachydema rubripennis]]* (Lucas, 1848)
********* *[[Pachydema rungsi]]* Peyerimhoff, 1945
********* *[[Pachydema sancta]]*  Crotch, 1872
********* *[[Pachydema schrammi]]* Peyerimhoff, 1945
********* *[[Pachydema sicardi]]* Baraud, 1979
********* *[[Pachydema sinaitica]]*  Crotch, 1872
********* *[[Pachydema succidua]]* Normand, 1951
********* *[[Pachydema suspiciosa]]* Normand, 1951
********* *[[Pachydema tarsalis]]* (Reitter, 1902)
********* *[[Pachydema thysdritana]]* Baraud, 1979
********* *[[Pachydema tinerfensis]]* Galante & Stebnicka, 1992
********* *[[Pachydema unicolor]]* Lucas, 1850
********* *[[Pachydema valdani]]* Lucas, 1859
********* *[[Pachydema veneriata]]* Normand, 1936
********* *[[Pachydema vestita]]* Normand, 1949
********* *[[Pachydema volaki]]* Roubal, 1945
********* *[[Pachydema wagneri]]* (Erichson, 1841)
********* *[[Pachydema wollastoni]]* Peyerimhoff, 1927
********* *[[Pachydema xanthochroa]]* Fairmaire, 1879
********* *[[Pachydema zohra]]* Normand, 1951

## Kilder
* The Scarabs of the Levant - Pachydemini http://www.glaphyridae.com/Pachydemini/pachydemini.html
* Liste over artene

## Eksterne lenker
* 
* Bilde av ''Pachydema doriae''
* Bilde av ''Pachydema obscurata''
* Bilde av ''Pachydema peyerimhoffi''
* Bilde av ''Pachydema zohra''