Gynacantha nervosa Rambur. Tikal: at dusk near aguada, February 13, IJC, 1 ♀ ; hawking at dusk around eaves of champa, April 7, THH+IJC (101), 1♀; May 16, THH (274), 6 ♂, 6 ♀ (see Triacanthagyna ditzleri)-, at camp grounds, May 18, THH (101), 2 ♂, 2 ♀ ; flying at dusk around camp, May 19, THH (101), 5 ♂, 2 ♀; at camp grounds, May 20, THH (101), 2 ♂, 1 ♀ .

This is apparently the first record of this species from the Yucatan Peninsula.