Trigonisca is a genus of bees belonging to the family Apidae.

The species of this genus are found in Central and South America.

Species:

• Trigonisca ameliae Penney, 2013
• Trigonisca atomaria (Cockerell, 1917)
• Trigonisca azteca Ayala, 1999
• Trigonisca bidentata Albuquerque & Camargo, 2007
• Trigonisca browni (Camargo & Pedro, 2005)
• Trigonisca buyssoni (Friese, 1902)
• Trigonisca ceophloei (Schwarz, 1938)
• Trigonisca chachapoya (Camargo & Pedro, 2005)
• Trigonisca clavicornis (Camargo & Pedro, 2005)
• Trigonisca discolor (Wille, 1965)
• Trigonisca dobzhanskyi (Moure, 1950)
• Trigonisca duckei (Friese, 1900)
• Trigonisca euclydiana (Camargo & Pedro, 2009)
• Trigonisca extrema Albuquerque & Camargo, 2007
• Trigonisca flavicans (Moure, 1950)
• Trigonisca fraissei (Friese, 1901)
• Trigonisca graeffei (Friese, 1900)
• Trigonisca hirsuticornis (Camargo & Pedro, 2009)
• Trigonisca hirticornis Albuquerque & Camargo, 2007
• Trigonisca intermedia Moure, 1989
• Trigonisca longicornis (Friese, 1903)
• Trigonisca longitarsis (Ducke, 1916)
• Trigonisca manauara (Camargo & Pedro, 2009)
• Trigonisca martinezi (Brèthes, 1920)
• Trigonisca maya Ayala, 1999
• Trigonisca mendersoni (Camargo & Pedro, 2005)
• Trigonisca mepecheu Engel & Gonzalez, 2019
• Trigonisca meridionalis Albuquerque & Camargo, 2007
• Trigonisca mixteca Ayala, 1999
• Trigonisca moratoi (Camargo & Pedro, 2005)
• Trigonisca nataliae (Moure, 1950)
• Trigonisca pediculana (Fabricius, 1804)
• Trigonisca pipioli Ayala, 1999
• Trigonisca rondoni (Camargo & Pedro, 2005)
• Trigonisca roubiki Albuquerque & Camargo, 2007
• Trigonisca schulthessi (Friese, 1900)
• Trigonisca tavaresi (Camargo & Pedro, 2005)
• Trigonisca townsendi (Cockerell, 1911)
• Trigonisca unidentata Albuquerque & Camargo, 2007
• Trigonisca variegatifrons Albuquerque & Camargo, 2007
• Trigonisca vitrifrons Albuquerque & Camargo, 2007

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