Maechidius

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

Utseende 
Små til middelsstore, avlange, mørkt brunlige skarabider. Kroppen er matt og fint hårete.

Levevis 
Larvene lever i jorda, der de eter røtter.

Utbredelse 
Denne gruppen lever i Australia og vestover i alle fall til Molukkene.

Systematisk inndeling 

 Ordenen biller, Coleoptera
 Underordenen Polyphaga
 Overfamilien skarabider, Scarabaeoidea
 Familien skarabider, Scarabaeidae Latreille, 1806
 Underfamilien oldenborrer, Melolonthinae Samouelle, 1819
 Stammen Automoliini Britton, 1978 eller Maechidiini
 Slekten Maechidius MacLeay, 1819
 Maechidius aenescens Heller, 1910
 Maechidius algonus Britton, 1957
 Maechidius amanus Britton, 1957
 Maechidius angusticeps Arrow, 1941
 Maechidius antennalis Blackburn, 1898
 Maechidius aroae Heller, 1914
 Maechidius arrowi Frey, 1969
 Maechidius ater Waterhouse, 1875
 Maechidius atratus Burmeister, 1855
 Maechidius brevis Waterhouse, 1875
 Maechidius caesius Britton, 1957
 Maechidius calabyi Britton, 1957
 Maechidius capitalis Blackburn, 1907
 Maechidius caviceps Blackburn, 1888
 Maechidius cavus Britton, 1957
 Maechidius chadwicki Britton, 1957
 Maechidius charaxus Britton, 1957
 Maechidius clypealis Blackburn, 1894
 Maechidius coelus Britton, 1957
 Maechidius conspicuus Lea, 1917
 Maechidius corrosus Waterhouse, 1875
 Maechidius crassifrons Britton, 1957
 Maechidius crenaticollis Blackburn, 1888
 Maechidius davidsoni Britton, 1957
 Maechidius emarginatus Waterhouse, 1875
 Maechidius esau Heller, 1914
 Maechidius eutermiphilus Lea, 1924
 Maechidius excisicollis Blackburn, 1898
 Maechidius excisus Waterhouse, 1875
 Maechidius fissiceps MacLeay, 1888
 Maechidius fraterculus Moser, 1920
 Maechidius froggati MacLeay, 1888
 Maechidius geminus Britton, 1957
 Maechidius gibbicollis Blackburn, 1898
 Maechidius gressitti Frey, 1969
 Maechidius hackeri Lea, 1919
 Maechidius hirtipes Arrow, 1941
 Maechidius hopeanus Westwood, 1842
 Maechidius hoplocephalus Lea, 1917
 Maechidius humeralis Heller, 1914
 Maechidius insularis Lea, 1917
 Maechidius interruptocarinatus Heller, 1914
 Maechidius jobiensis Moser, 1920
 Maechidius kanallus Britton, 1957
 Maechidius kiwanus Britton, 1957
 Maechidius konandus Britton, 1957
 Maechidius kurantus Britton, 1957
 Maechidius lateripennis Lea, 1917
 Maechidius latus Waterhouse, 1875
 Maechidius lineatopunctatus Frey, 1969
 Maechidius lobaticeps Frey, 1969
 Maechidius longitarsus Waterhouse, 1875
 Maechidius macleaynus Westwood, 1842
 Maechidius major Blackburn, 1888
 Maechidius mellianus Westwood, 1842
 Maechidius metellus Britton, 1957
 Maechidius milkappus Britton, 1957
 Maechidius milneanus Heller, 1914
 Maechidius modicus Blackburn, 1898
 Maechidius moluccanus Moser, 1920
 Maechidius muticus Arrow, 1941
 Maechidius nanus Arrow, 1941
 Maechidius occidentalis Britton, 1957
 Maechidius olor Britton, 1957
 Maechidius ordensis Blackburn, 1898
 Maechidius papuanus Moser, 1926
 Maechidius parallelicollis Moser, 1920
 Maechidius parandus Britton, 1957
 Maechidius parvulus MacLeay, 1871
 Maechidius paupianus Heller, 1910
 Maechidius pauxillus Heller, 1910
 Maechidius pedarioides Arrow, 1941
 Maechidius pellus Britton, 1957
 Maechidius pilosus Blackburn, 1891
 Maechidius proximus Britton, 1957
 Maechidius puncticollis Lea, 1924
 Maechidius pygidialis Britton, 1957
 Maechidius raucus Blackburn, 1907
 Maechidius relictus Blackburn, 1907
 Maechidius rufus Westwood, 1842
 Maechidius rugicollis Moser, 1920
 Maechidius rugosicollis MacLeay, 1871
 Maechidius rugosipes Blackburn, 1888
 Maechidius savagei Lea, 1917
 Maechidius sculptipennis Lea, 1917
 Maechidius seriepunctatus Moser, 1920
 Maechidius serigranosus Heller, 1914
 Maechidius serratus Britton, 1957
 Maechidius setosellus Frey, 1969
 Maechidius setosus Moser, 1920
 Maechidius simplex Frey, 1969
 Maechidius sordidus Boisduval, 1835
 Maechidius spurius (Kirby, 1818)
 Maechidius squamipennis Lea, 1917
 Maechidius stradbrokensis Lea, 1919
 Maechidius sturnus Arrow, 1941
 Maechidius subcostatus Heller, 1895
 Maechidius tarsalis Arrow, 1941
 Maechidius tibialis Blackburn, 1892
 Maechidius tridentatus Britton, 1963
 Maechidius tumidifrons Britton, 1957
 Maechidius variolosus MacLeay, 1871
 Maechidius vicinus Heller, 1914
 Maechidius wilsoni Britton, 1957
 Maechidius woodlarkianus  Heller, 1914

Eksterne lenker 
 
 Bildegalleri over australske arter

Oldenborrer
Biller formelt beskrevet i 1819