Labena Cresson, 1864

Key to the species of Labena Cresson, 1864 View in CoL View at ENA from Brazil *

*Except for Labena sericea

1 Propodeum, dorsal view, with area superomedia delineated anteriorly ( Fig. 4A View FIGURE 4 ), without prominence; apophysis absent ( Fig. 5B View FIGURE 5 )................................................................................................ 2

1’ Propodeum, dorsal view, with area superomedia not delineated anteriorly ( Fig. 4B View FIGURE 4 ), with very large prominence; apophysis present ( Fig. 5A View FIGURE 5 ).................................. Labena iquitosica Sääksjärvi, Bordera & González-Moreno, 2010

2 Metapleuron centrally with longitudinal striae ( Fig. 6A View FIGURE 6 ); mesoscutum with notaulus impressed ( Fig. 7A View FIGURE 7 ); propodeum with an area superomedia longer than wide ( Fig. 8A View FIGURE 8 ).............................................. Labena larae sp. nov.

2’ Metapleuron centrally without longitudinal striae ( Fig. 6B View FIGURE 6 ); mesoscutum without notaulus impressed ( Fig. 7B View FIGURE 7 ); propodeum with area superomedia wider than long ( Fig. 8B View FIGURE 8 )............................................................ 3

3 Propodeum with area superomedia quadrate ( Fig. 9A View FIGURE 9 )........................................................ 4

3’ Propodeum with area superomedia hexagonal ( Fig. 9B View FIGURE 9 )....................................................... 6

4 Area superomedia twice as long as area basalis ( Fig. 10A View FIGURE 10 ); hind coxa with a brown spot on inner part ( Fig. 11A View FIGURE 11 )........................................................................................ Labena morda Gauld, 2000 View in CoL

4’ Area superomedia four times as long as area basalis ( Fig. 10B View FIGURE 10 ); hind coxa without a brown spot on inner part ( Fig.11B View FIGURE 11 ).... 5

5 Mandibular teeth robust and truncated ( Fig. 12A View FIGURE 12 ); area dentipara separated from area postero-externa ( Fig. 13A View FIGURE 13 ); mesopleuron with conspicuous anterosuperior longitudinal spot ( Fig.14A View FIGURE 14 )............................. Labena humida Gauld, 2000 View in CoL

5’ Mandibular teeth elongated and tapered ( Fig. 12B View FIGURE 12 ); area dentipara confluent with area postero-externa ( Fig. 13B View FIGURE 13 ); mesopleuron without conspicuous anterosuperior longitudinal spot ( Fig.14B View FIGURE 14 )......................... Labena lachryma Gauld, 2000 View in CoL

6 Lateromedian longitudinal carina not obliterated posteriorly ( Fig. 15A View FIGURE 15 ).......................................... 7

6’ Lateromedian longitudinal carina obliterated posteriorly ( Fig. 15B View FIGURE 15 )............................................. 14

7 Clypeus with a crest on distal margin ( Fig.16A View FIGURE 16 )..................................... Labena gloriosa Cresson, 1874 View in CoL

7’ Clypeus without a crest on distal margin ( Fig. 16B View FIGURE 16 ).......................................................... 8

8 Anterior transverse carina, lateromedian longitudinal carina, and lateral longitudinal carina with black marks ( Fig. 17A View FIGURE 17 ).............................................................. Labena littoralis González-Moreno & Bordera, 2015

8’ Anterior transverse carina, lateromedian longitudinal carina, and lateral longitudinal carina without black marks ( Fig. 17B View FIGURE 17 )..................................................................................................... 8

9 Propodeum with area lateralis elongated ( Fig. 18A View FIGURE 18 ).......................................................... 9

9’ Propodeum with area lateralis not elongated ( Fig. 18B View FIGURE 18 )...................................................... 11

10 Area basalis wider than long ( Fig. 19A View FIGURE 19 ); posterior area of propodeum with delimited areas ( Fig. 19B View FIGURE 19 )................. 10

10’ Area basalis of equal proportions ( Fig. 19C View FIGURE 19 ); posterior areas of the propodeum forming a single area ( Fig. 19C View FIGURE 19 )......................................................................................... Labena pluvia Gauld, 2000 View in CoL

11 Sternite I centrally with swelling ( Fig. 20A View FIGURE 20 ); ovipositor apex tapered with seven teeth ( Fig. 21A View FIGURE 21 )............................................................................................... Labena guanacasteca Gauld, 2000 View in CoL

11’ Sternite I centrally without swelling ( Fig. 20B View FIGURE 20 ); ovipositor apex tapered with four teeth ( Fig. 21B View FIGURE 21 )..................................................................................................... Labena zerita Gauld, 2000 View in CoL

12 Propodeum with area petiolaris with distal longitudinal rugae (22A); hind coxa with a centrally depressed inner surface, arched at sides ( Fig. 23A View FIGURE 23 )....................................................... Labena fiorii Graf & Marzagão, 1999 View in CoL

12’ Propodeum with area petiolaris without distal longitudinal rugae (22B); hind coxa with the inner surface not depressed centrally, not arched at sides ( Fig. 23B View FIGURE 23 )........................................................................... 14

13 Posterior transverse carina of propodeum centrally complete ( Fig. 24A View FIGURE 24 ); tergites I with elongate basal mark and pale yellow heart-shaped apical mark ( Fig. 25A View FIGURE 25 )................................................ Labena espinita Gauld, 2000 View in CoL

13’ Posterior transverse carina of propodeum almost incomplete centrally ( Fig. 24B View FIGURE 24 ); tergite I without elongated basal spot and light yellow cordiform apical spot ( Fig. 25B View FIGURE 25 )........................................ Labena polemica Gauld, 2000 View in CoL

14 Epicnemial carina straight on the anterior part of the sternaulus ( Fig. 26A View FIGURE 26 )....................... Labena fusca sp. nov.

14’ Epicnemial carina oblique on anterior part of sternaulus ( Fig. 26B View FIGURE 26 )................................................................................. Labena marginata Szépligeti, 1914 View in CoL (Adapted from González-Moreno et al. 2015).