Guyalna nigra Boulard 1999: 100 (Clearing along the beach, Buzios, Rio Janiero, Brazil).
Distribution. The species has been reported from Brazil and French Guiana (Boulard 1999; Sanborn 2011a, 2013 2016c; Nunes et al. 2023).
Material examined. “ FRENCH GUIANA: Saint-Elie / Commune, Mont Tabulaire de / la Trinité, 600m, 4.610861, / -53.358896, 3-IX-2021, / Light Trap, SEAG leg.” one male (AFSC); “ FRENCH GUIANA: Saint-Elie / Commune, Mont Tabulaire de / la Trinité, 600m, 4.610861, / -53.358896, 6-IX-2021, / Light Trap, SEAG leg.” one female (AFSC); “ FRENCH GUIANA: Saint-Elie / Commune, Mont Tabulaire de / la Trinité, 600m, 4.610861, / -53.358896, 8-IX-2021, / Light Trap, SEAG leg.” one male (AFSC); “ FRENCH GUIANA, Massif Lucifer / Sommer tabulaire à 500m, / commune de Saint-Laurent / 28-X-2014, Automatic Light Trap / Soc. Ent. Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA, Commune Régina / Mont Chauve, 359m / UV Light 13-VIII-2018 / Soc. Ent. Antilles-Guyane coll.” one male (AFSC); “ FRENCH GUIANA, Commune Régina / Mont Chauve, 359m / UV Light 15-VIII-2018 / Soc. Ent. Antilles-Guyane coll.” one male (AFSC); “ FRENCH GUIANA, Commune Régina / Mont Chauve, 359m / UV Light 16-VIII-2018 / Soc. Ent. Antilles-Guyane coll.” one female (AFSC); “ FRENCH GUIANA, Nouragues / 19-IX-2013 / Automatic Light Trap / Soc. Ent. Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA / Montagne des Chevaux / Automatic Light Trap / 9-X-2012 / Soc. Ent. Antilles-Guyane coll.” two males (AFSC); “ FRENCH GUIANA / Montagne des Chevaux / Automatic Light Trap / 13-X-2012 / Soc. Ent. Antilles-Guyane coll.” one female (AFSC); “ FRENCH GUIANA, Mont Saint-Marcel / de la Haute Camopi, / N 2°23’03.00” O 53°00’37.00” / altitude 635m, Commune de Camopi / 16-IX-2014 / Automatic Luminating trap / Soc. Ent. Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA, Mont Saint-Marcel / de la Haute Camopi, / N 2°23’03.00” O 53°00’37.00” / altitude 635m, Commune de Camopi / 17- IX-2014 / Automatic Luminating trap / Soc. Ent. Antilles-Guyane leg.” two females (AFSC); “ FRENCH GUIANA, Mont Saint-Marcel / de la Haute Camopi, / N 2°23’03.00” O 53°00’37.00” / altitude 635m, Commune de Camopi / 18-IX-2014 / Automatic Luminating trap / Soc. Ent. Antilles-Guyane leg.” four females (AFSC); “ FRENCH GUIANA, Mont Saint-Marcel / de la Haute Camopi, / N 2°23’03.00” O 53°00’37.00” / altitude 635m, Commune de Camopi / 20-IX-2014 / Automatic Luminating trap / Soc. Ent.Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA, Mont Saint-Marcel / de la Haute Camopi, / N 2°23’03.00” O 53°00’37.00” / altitude 635m, Commune de Camopi / 21-IX-2014 / Automatic Luminating trap / Soc. Ent.Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA, Mont Saint-Marcel / de la Haute Camopi, / N 2°23’03.00” O 53°00’37.00” / altitude 635m, Commune de Camopi / 22-IX-2014 / Automatic Luminating trap / Soc. Ent. Antilles-Guyane leg.” two females (AFSC); “ FRENCH GUIANA, Mont Saint-Marcel / de la Haute Camopi, / N 2°23’03.00” O 53°00’37.00” / altitude 635m, Commune de Camopi / 23-IX-2014 / Automatic Luminating trap / Soc. Ent. Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA, Mont Saint-Marcel / de la Haute Camopi, / N 2°23’03.00” O 53°00’37.00” / altitude 635m, Commune de Camopi / 25-IX-2014 / Automatic Luminating trap / Soc. Ent. Antilles-Guyane leg.” three females (AFSC); “ FRENCH GUIANA, Mont Saint-Marcel / de la Haute Camopi, / N 2°23’03.00” O 53°00’37.00” / altitude 635m, Commune de Camopi / 26-IX-2014 / Automatic Luminating trap / Soc. Ent.Antilles-Guyane leg.” two males and five females (AFSC); “ FRENCH GUIANA, Crique Orfion / Orapu, RN 2 pk 65, Commune de / Régina, Abattis de 7 ha en pente / N 4 o 29’46.29” W 52 o 20’ 43.30” / Automatic Light Trap / Manual Light Trap 05-X-2016 / Soc. Ent. Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA, Savane roche de la / Haute Camopi, Commune Saint-Elie / N 4 o 18’58.45” W 53 o 17’16.00” / 24-X-2013, Automatic Light Trap / Soc. Ent. Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA, Savane roche de la / Haute Camopi, Commune Saint-Elie / N 4 o 18’58.45” W 53 o 17’16.00” / 27-X-2013, Automatic Light Trap / Soc. Ent. Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA, Savane roche de la / Haute Camopi, Commune Saint-Elie / N 4 o 18’58.45” W 53 o 17’16.00” / 23-X-2013, Automatic Light Trap / Soc. Ent. Antilles-Guyane leg.” one male and one female (AFSC); “ FRENCH GUIANA, Savane roche de la / Haute Camopi, Commune Saint-Elie / N 4 o 18’58.45” W 53 o 17’16.00” / 28-X-2013, Automatic Light Trap / Soc. Ent. Antilles-Guyane leg.” three females (AFSC); “ FRENCH GUIANA / Trou-Poissons, Commune Sinnamary / 16-XII-2014 / Automatic Light Trap, Blue light / Soc. Ent. Antilles-Guyane leg.” one male (AFSC); “ FRENCH GUIANA: Mont Matoury / Commune Matoury Savannah / N 4 o 51’31.00” W 52 o 22’36.00” / 03-X-2014, Automatic Light Trap / Soc. Ent. Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA: Forêt de Maya / N 4 o 57’19.00” W 52 o 27’37.00” / Commune de Macouria, 26-VII-2017 / Automatic Light Trap, Blue light / Soc. Ent. Antilles-Guyane leg.” one male and one female (AFSC); “ FRENCH GUIANA: Forêt de Maya / N 4 o 57’19.00” W 52 o 27’37.00” / Commune de Macouria, 26-VIII-2017 / Automatic Light Trap, Blue light / Soc. Ent. Antilles-Guyane leg.” one female (AFSC); “ FRENCH GUIANA: Forêt de Maya / N 4 o 57’19.00” W 52 o 27’37.00” / Commune de Macouria, 14-VIII-2017 / Automatic Light Trap, Blue light / Soc. Ent. Antilles-Guyane leg.” four males and two females (AFSC).