Nogueirapis Moure, 1953

Nogueira, David Silva, Ribeiro, Cristiano Feitosa & Oliveira, Marcio Luiz De, 2020, Redescription of Nogueirapis Moure, 1953 with two new species from the Amazon forest (Hymenoptera: Apidae: Meliponini), Zootaxa 4859 (1), pp. 138-150 : 149

Key for the species of Nogueirapis Moure, 1953 (workers)

1. Bees predominantly ferruginous or yellowish, poorly contrasted with the yellowish areas and the rest of the body; metatibia yellowish with a dark spot on the apical third and/or posterior area ( Figs. 16–18, 20 ); vein Rs almost completely vestigial; metabasitarsus with posterior angle projected downward or not; sculpture of head integument smooth and shiny, with or not pilligerous punctation ( Figs. 21–23 and 25 )................................................................. 2

- Bees predominantly black or dark brown, with strong contrast between the yellowish areas and the rest of the body; metatibia completely darkened ( Fig. 19 ); Rs vein failed only in the central portion; metabasitarsus with posterior angle not projected downward; sculpture integument of head with rugose aspect ( Fig. 24 )...................... Nogueirapis batistai sp. nov.

2(1). Mesoscutum fully dark brown with lateral areas with strong contrasting yellowish coloration ( Figs. 7 and 9 ); terga with apical third brown; integument of the head with fine pilligerous punctation; metabasitarsus with posterior angle not projected downward, or if projected, not exceeding the line of encounter with the following tarsus; mandible yellow with black condyles ( Figs. 1, 2 and 4 )........................................................................................... 3

- Mesoscutum yellowish or at least the anterior third brown, with lateral areas with little contrasting yellowish coloration ( Figs. 11 and 15 ); terga with apical half brown; integument of head smooth and shiny; metabasitarsus with posterior angle projected downward, exceeding the line of encounter with the following tarsus; mandible usually yellow completely ( Figs. 3 and 5 )... ................................................................................................... 5

3(2). Small bees, approximately 3.5 mm; paraocular spot usually not surrounding completely the antennal socket ( Fig. 1 ); clypeus with non-paraboloid margin below the tentorial fovea ( Fig. 1 ); clypeus with uniform in length hairs; metabasitarsus with posterior angle not projected downward................................. Nogueirapis minor ( Moure & Camargo, 1982) .

- Larger bees, approximately 4.5 mm; paraocular spot surrounding completely the antennal socket ( Fig. 2 ); clypeus with paraboloid margin below the tentorial fovea ( Fig. 2 ); clypeus with some setae about 2x the length of hairs; metabasitarsus with posterior angle slightly projected downward................................................................ 4

4(3). Dark area on frons completely divided medially in front of median ocellus, without longitudinal black line to the area near the tentorial fovea; mesotibia yellow; metatibia yellow with area brown, dark-brown or black............................................................................................... Nogueirapis mirandula ( Cockerell, 1917) .

- Dark area on frons not completely divided medially in front of median ocellus, with longitudinal black line to the area near the tentorial fovea; mesotibia brown; metatibia entirely dark-brown............ Nogueirapis costaricana Ayala & Engel, 2014

5(2). Mesoscutum with anterior third brown ( Fig. 11 ); metatibia with apical third from dark brown to black ( Fig. 18 ); terga with apical third dark brown; yellow paraocular spot surrounding completely the antennal socket ( Fig. 3 ); dark area on frons not completely divided medially in front of median ocellus (Figa 3)..................... Nogueirapis butteli ( Friese, 1900) .

- Mesoscutum yellowish or with anterior third yellowish brown ( Fig. 15 ); metatibia with apical third and with posterior half brown to yellowish-brown ( Fig. 20 ); terga with apical third yellowish-brown to reddish-brown; yellow paraocular spot not surrounding completely the antennal socket ( Fig. 5 ); dark area on frons completely divided medially in front of median ocellus ( Fig. 5 )...................................................................... Nogueirapis rosariae sp. nov.

Figures

FIGURES 16–20. External surface of metatibia and metabasitarsus of species of Nogueirapis Moure, 1953. 16: Nogueirapis minor (Moure & Camargo, 1982). 17: Nogueirapis mirandula (Cockerell, 1917). 18: Nogueirapis butteli (Friese, 1900). 19: Nogueirapis batistai sp. nov. 20: Nogueirapis rosariae sp. nov. Scale bar: 0.5 mm.

FIGURES 21–25. Integumental surface of the head of species of Nogueirapis Moure, 1953. 21: Nogueirapis minor (Moure & Camargo, 1982). 22: Nogueirapis mirandula (Cockerell, 1917). 23: Nogueirapis butteli (Friese, 1900). 24: Nogueirapis batistai sp. nov. 25: Nogueirapis rosariae sp. nov. Scale bar: 0.05 mm.

FIGURES 6–15. Body of species of Nogueirapis Moure, 1953 in lateral and dorsal view respectively for each species. 6, 7: Nogueirapis minor (Moure & Camargo, 1982). 8, 9: Nogueirapis mirandula (Cockerell, 1917). 10, 11: Nogueirapis butteli (Friese, 1900). 12, 13: Nogueirapis batistai sp. nov. 14, 15: Nogueirapis rosariae sp. nov. Scale bar: 1 mm.

FIGURES 1–5. Head of species of Nogueirapis Moure, 1953 in frontal view. 1: Nogueirapis minor (Moure & Camargo, 1982). 2: Nogueirapis mirandula (Cockerell, 1917). 3: Nogueirapis butteli (Friese, 1900). 4: Nogueirapis batistai sp. nov. 5: Nogueirapis rosariae sp. nov. Scale bar: 0.5 mm.