''Microdessus'' is a genus of
predaceous diving beetle
The Dytiscidae – based on the Greek ''dytikos'' (δυτικός), "able to dive" – are the predaceous diving beetles, a Family (biology), family of water beetles. They occur in virtually any freshwater habitat around the world, but a ...
s in the family
Dytiscidae. This genus has a single species, ''Microdessus atomarius'', found in
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
.
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References
Dytiscidae
{{Dytiscidae-stub