Plebeia, Schwarz, 1938

Engel, Michael S., 2022, New species of the stingless bee genus Plebeia (Hymenoptera: Apidae), Journal of Melittology 2022 (114), pp. 1-28 : 27-28

Key to Costa Rican Plebeia s.str.

(worker caste)

Note that Plebeia tica (Wille) has recently been transferred to genus Asperplebeia

Engel ( Engel et al., 2021).

1. Mesoscutellum with yellow confined to posterior margin, remainder of surface black to reddish brown ................................................................................... 2

—. Mesoscutellum completely yellow or yellowish brown (tawny) ........................ ............................................................................................................ P. pulchra Ayala

2(1). Yellow of lower paraocular area extending from inner orbit to near antennal torulus, then above antennal torulus tapering upward toward compound eye; postgena with areas of yellow or yellowish brown ..... P. jatiformis (Cockerell)

—. Yellow of lower paraocular area narrow, somewhat linear along inner orbit, separated from antennal torulus by approximately torular diameter, well separated from anterior tentorial pit; postgena uniformly brown .... P. vidali , n. sp.