Key to species of Pseudophanerotoma

(modified after Zettel, 1990)

1 Mesoscutellum black (Fig. 2b)........................................................................... 2

- Mesoscutellum pale (white, yellow, orange, or light brown) (Fig. 4c)............................................. 4

2 Metasomal tergite 1–3 medially black; antenna with 37 antennomeres; Paraguay, Ecuador ............ P. longicornia Zettel

- Metasomal tergite 3 with black spot; antenna with 33 antennomeres.............................................. 3

3 Carapace elongate oval, less than 2.0× as long as wide in dorsal view, posterior margin invaginated; propodeum black; mesoscutum with small brown spot; Panama................................................. P. zeteki (Cushman)

- Carapace more slender, 2.2× as long as wide in dorsal view, posterior margin blunt; propodeum with black spots laterally; mesoscutum yellow; Brazil ............................................................... P. alvarengai Zettel

4 Body mostly unicolour; antenna with 28–32 antennomeres; body length 3.7–4.5 mm; USA, French Guiana .................................................................................................... P. thapsina (Walley)

- Body with different colour pattern; more than 32 antennomeres................................................. 5

5 Head (except interocellar area) and carapace without black pattern; "V" shaped black lines along notauli; French Guiana, Brazil ........................................................................... P. paranaensis (Costa Lima)

- Occipital area and carapace with black pattern............................................................... 6

6 Body size smaller than 3.5 mm; 33 antennomeres; Guatemala...................................... P. austini sp. n.

- Body size larger than 4.0 mm, more than 35 antennomeres..................................................... 7

7 Mesoscutum with black stripe in the middle; carapace with two round black spots; antenna with 41 antennomeres; 4.7 mm; Panama............................................................................... P. maculosa Zettel

- Lateral lobes of mesoscutum black; metasomal tergite 1 & 2 black medially; antenna with 38 antennomeres; 4.1–4.3 mm; Peru ....................................................................................... P. peruana Zettel