Hydaticini
Sharp, 1880
Genus Guides
1Hydaticini is a tribe of diving beetles ( Dytiscidae, Dytiscinae) established by Sharp in 1880. Members of this tribe are aquatic found in freshwater . The tribe includes the Hydaticus, with documented from the Neotropics including the Amazon basin and Brazilian highlands.
Pronunciation
How to pronounce Hydaticini: /haɪˈdætɪsaɪni/
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Identification
Members of Hydaticini can be distinguished from other Dytiscinae tribes by the structure of the male genitalia, particularly the shape of the medial lobe. within the Hydaticus exhibit variation in coloration, ranging from patterned to uniformly brown surfaces.
Images
Habitat
Freshwater aquatic environments including small streams and associated forest pools. In the Amazon region, occurs in central lowland forest streams.
Distribution
Neotropical region, with documented occurrence in Brazil: central lowlands of the Amazon forest and highlands of northeastern Brazil.
Similar Taxa
- Other Dytiscinae tribesShare Dytiscinae but differ in male genitalia structure, particularly medial lobe
- Other Dytiscidae tribesAll diving beetles share aquatic habits, but Hydaticini distinguished by tribal-level genitalic characters