Engel, Engel & Herhold & Davis & Wang & Thomas, 2021
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publication ID |
https://doi.org/ 10.17161/jom.i105.15734 |
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publication LSID |
lsid:zoobank.org:pub:3637F70F-42FC-461E-82B3-A847752A071A |
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persistent identifier |
https://treatment.plazi.org/id/03D58783-FFD4-FFF3-FE7E-EC39FB66F9EB |
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treatment provided by |
Felipe |
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scientific name |
Engel |
| status |
s.l. |
Key to Subgenera of Tetragonula View in CoL s.l.
(worker caste; modified from Engel et al., 2018)
1. Scape shorter than torulocellar distance ( Figs. 20 View Figures 18–22 , 28 View Figure 28 , 32 View Figures 32–34 ); about five distal hamuli ( Fig. 39 View Figures 35–39 ); retromarginal contour of metatibia slightly convex, with superi- or distal angle subangulate ( Figs. 19 View Figures 18–22 , 33, 34 View Figures 32–34 , 40, 41 View Figures 40–42 ); rastellum and penicillum usually composed of soft setae; forewing membrane rather uniformly colored, typically clear to lightly infuscate ( Figs. 19 View Figures 18–22 , 37 View Figures 35–39 ); pleural setae pale ( Fig. 19 View Figures 18–22 ); forewing marginal cell nearly closed, sometimes with apex of Rs bent and nebulous (i.e., appendiculate), with or without 2r-rs stub arising at bend ............................. ............................................................................................... Tetragonula Moure View in CoL , s.str.
—. Scape at least as long as torulocellar distance ( Fig. 21 View Figures 18–22 ); six distal hamuli; retromarginal contour of metatibia distinctly and broadly convex ( Fig. 22 View Figures 18–22 ), with superior distal angle rounded, almost without angulation; rastellum and penicillum composed of stiff setae; forewing membrane markedly bicolored, proximally darkly fuscate ( Fig. 22 View Figures 18–22 ); pleural setae fuscous to black ( Fig. 22 View Figures 18–22 ); forewing marginal cell more broadly opened apically, apex of Rs never bent (i.e., never appendiculate) .............................................................................. Tetragonilla Moure View in CoL
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