Paratetrapedia

Aguiar, Antonio J. C., Viana, Matheus Cavalcante & Melo, Gabriel A. R., 2021, A new species of the bee genus Paratetrapedia from northeastern Brazil mimic of the stingless bee Camargoia nordestina (Apidae, Tapinotaspidini), Revista Brasileira de Entomologia (e 20200102) 65 (1), pp. 1-7 : 5

Key to the lineata species group in Paratetrapedia (for both males and females; modified from Aguiar and Melo, 2011)

1. Integument mostly dark brown or black.............................................. 2

— Integument mostly yellow to reddish orange...................................... 3

2. Clypeus dark brown with yellow stripe usually occupying entire lower margin; supraclypeal area dark brown or black, in some specimens with small yellow spot on disc; scape completely reddish brown, in some specimens with one yellow spot on lower portion; tarsomeres dark brown or weakly reddish brown; wing membrane pale brown infumate; metapostnotum with dense fine punctures (1 pd); lamella of pronotal collar acute ( Brazil: Espírito Santo, Minas Gerais, Paraíba, Paraná, Pernambuco, Rio de Janeiro, Santa Catarina, São Paulo; Paraguai).......................................................................... P. fervida (Smith)

— Clypeus and supraclypeal area completely yellow; scape mostly yellow; tarsomeres yellow; wing membrane dark brown infumate; metapostnotum with sparse fine punctures (2 pd); lamella of pronotal collar weakly obtuse on lateral portions ( Mexico)..................................................... P. mexicana Aguiar and Melo

3. Wing membrane blackish infumate; integument bicolor, mostly reddish orange, metasoma mostly reddish orange, with very faint and narrow blackish-brown stripes on tergal margins (semi-deciduous forests of northeastern Brazil) …............................................... ............................................................ Paratetrapedia nordestina sp. nov.

— Wing membrane mostly hyaline or pale white, in some species only the distal margin blackish; integument bicolor, pale orange and reddish brown, metasoma pale orange with conspicuous reddish brown to black stripes on disc of terga …...................................4

4. Wing membrane yellow infumate; mesoscutum black with thin yellow stripes on disc, and usually very wide orange yellow stripes on lateral margins, occupying most of lateral portions, similar to P. duckei ; terga completely orange yellow ( Brazil: central Amazonas) ....................................... P. alsinai Aguiar and Melo

— Wing membrane mostly hyaline, weakly milky white; mesoscutum mostly black, with thin yellow stripes on disc and lateral margins; terga with marginal zone completely dark brown.................. 5

5. Metanotum yellow laterally. Metapostnotum with fine punctures, surface between punctures smooth and shiny. Mesepisternum yellow laterally; metapostnotum and propodeum completely yellow; hind basitarsus with one long acute tooth on anterior margin; epistomal suture straight above upper margin of clypeus ( Brazil: Goiás, Maranhão, Piauí, Tocantins) ............................................ ............................................................... P. tocantinensis Aguiar and Melo

— Metanotum reddish brown laterally. Metapostnotum with dense fine punctures, surface between punctures dull, with microsculpture of dense fine sulci; mesepisternum laterally mostly reddish brown, usually with one yellow spot on omaulus; metapostnotum reddish brown with one yellow spot on disc; propodeum completely reddish brown, some specimens with large yellow spots on anterior margin; hind basitarsus with one short acute tooth on anterior margin; epistomal suture strongly curved above upper margin of clypeus ( Bolivia; Brazil: Acre, Mato Grosso, Pará, Rondônia; Peru) ................................. P. lineata (Spinola)