beetle
Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...
s in the family Dytiscidae, containing the following species:Dytiscidae Species List at Joel Hallan's Biology Catalog. Texas A&M University. Retrieved on 7 May 2012.
* ''
Pachydrus brevis
''Pachydrus'' is a genus of beetles in the family Dytiscidae, containing the following species:Pachydrus cayennensis
''Pachydrus'' is a genus of beetles in the family Dytiscidae, containing the following species:Pachydrus cribratus
''Pachydrus'' is a genus of beetles in the family Dytiscidae, containing the following species:Pachydrus globosus
''Pachydrus'' is a genus of beetles in the family Dytiscidae, containing the following species:Pachydrus obesus
''Pachydrus'' is a genus of beetles in the family Dytiscidae, containing the following species:Pachydrus obniger'' (Chevrolat, 1863)
* '' Pachydrus politus'' Sharp, 1882
* '' Pachydrus princeps'' (Blatchley, 1914)
* '' Pachydrus ritsemae'' Régimbart, 1883