1920] Lutz and Cockerell, Notes on American Bees 495 



zonulata. See fulvipes. 



Oxytrigona Cockerell 

 See Trigona. 



Tetragona Lepeletier 

 See Melipona and Trigona. 



Teioona .) urine, 1807, p. 245 

 (Type: Apis amaUhea Olivier) 

 Dalla Torre, 1896, pp. 574-585, incliulod all the previously described 

 species under Melipona. Von Ihering, 1903, gives full notes on biologj' 

 of Brazilian species. 



Tetragona Lepeletier, 1825, p. 170, is a subgenus. 

 Oxytrigona Cockerell, 1917c?, p. 124, was proposed as a subgenus 

 with mediorufa as the type, 

 amalthea Olivier, 1789, p. 78. (Apis) 



Melipona amalthea lUiger, 1S06, p. 156. 



Trigona amaUhea Jurine, 1807, p. 246. 



Lepeletier, 1825, p. 610. Only the biology; otherwise T. silveslriana 

 Vachal. 



Trigona fuscipennis Friese, 1900a, p. 385. S. Guatemala. Colombia. 

 Blumenau, Para, Brazil. Panama. Mexico. 



Trigona fuscipennis Ducke, 1903, p. 314. Throughout the state of Par^, 

 Brazil. 



See Von Ihering, 1903, p. 204 (biology, etc.) and Schultz, 1904, p. 826. 



Cockerell, 1912, p. 60. Brazil: Natal, Rio Grande do Norte; Indipenden- 

 cia, Parahyba; Manaos, Amazonas; VI, VIII; (Mann and Heath). 



Cockerell, 19126, p. 314. Gualan, Puerto Barrios, and Quirigua, Guate- 

 mala; II; a,i Calopogoniumcceruleum and Potitederiacordata. 



Cockerell, 1913, p. 10. Escuintla, Guatemala, and Las Sabanas, Panama; 

 XI, XIII; (Wheeler). "This is the T. fuscipennis Fricst\ The amaUhea 

 of Friese and Silvestri is T. silveslriana Vachal (T. friesii von Ihering)." 



Wheeler, 1913, p. 1. Biology. 



Cockerell, 1914o, p.. 309. Guayaquil, Ecuador; (Von Buchwald). 



Schrottky, 1914, p. 219. Discu&ses synonomy. 



Cockerell, 1916a, p. 3. Dunoon, BRmsii Guiana; VII; (Gaige). 



See Friese, 1916, p. 299. 



Cockerell, 1920a. p. 465. Rockstone, Potaro Landing, and Kangaruma, 

 British Guiana; VII, VIII; (Lutz). Attends homopterous bark instvts in 

 Brazil. 



argyrea Cockerell, 19126, p. 313. S. Quirigua, Guatemala; (W. P. 



( 'ockerell). " Nest in clay bank." 

 atomaria Cockerell, 1917rf, p. 217. 8. Pozo Azul, Costa Rica; VI; 



(Carriker). 



