''Tetragona quadrangula'', also called borá-de-chão ("ground borá" bee) in Brazil, is a species of
eusocial stingless bee in the family
Apidae and tribe
Meliponini. It is endemic to Brazil.
References
Meliponini
Hymenoptera of South America
Hymenoptera of Brazil
Endemic insects of Brazil
{{Apidae-stub