Sharp-1880

Guides

• Bidessini

  Bidessini is a tribe of predaceous diving beetles within the family Dytiscidae, comprising at least 40 genera and over 630 described species. Members are small to minute aquatic beetles found across diverse freshwater habitats worldwide, with notable radiations in Australia, South America, and Madagascar. The tribe includes both surface-dwelling (epigean) and subterranean (stygobitic) species, with several genera exhibiting convergent adaptations to groundwater environments.

  Dytiscidaediving-beetlesaquatic-beetlesBidessinifreshwaterstygobiticAustraliaMadagascarSouth-AmericaSouth-Africahigh-AndesgroundwaterepigeantaxonomySharp-1880

• Hydaticini

  Hydaticini is a tribe of diving beetles (family Dytiscidae, subfamily Dytiscinae) established by Sharp in 1880. Members of this tribe are aquatic predators found in freshwater habitats. The tribe includes the genus Hydaticus, with species documented from the Neotropics including the Amazon basin and Brazilian highlands.

  ColeopteraDytiscidaeaquatic-beetlesdiving-beetlesNeotropicalfreshwaterBrazilAmazontaxonomySharp-1880