Key for the identification of Loxaulus of Panama

1. Female antennae with first flagellomere as long as second (Fig. 1 F). Notauli incomplete, distinct only in posterior one third of mesoscutum (Fig. 2 A). Base of radial cell of fore wing and area below areolet clearly infuscated. Median propodeal area with rugose sculpture. Body mostly dark reddish-brown................................................. L. championi

- Female antenna with first flagellomere clearly shorter than second. (Fig. 3 D). Notauli nearly percurrent, clearly impressed at least in posterior two thirds of mesoscutum (Fig. 3 G). Base of radial cell of fore wing and area below areolet only weakly infuscated. Median propodeal area smooth (Fig. 4 C). Body mostly yellowish brown..................... L. panamensis