Trigonisca Engel, Rozen, Sepúlveda-Cano, Smith, Thomas, Ospina-Torres & Gonzalez, 2019, s.l.
Description
Key to Subgenera of Trigonisca s.l.
(worker caste)
1.Integument of mesoscutum and mesoscutellum smooth and shiny; preoccipital carina absent; transscutal sulcus between axillae shallowly impressed; mesoscutellum comparatively flat and low, acutely rounded apically in profile and slightly raised above level of metanotum.................................................................2
—Integument of mesoscutum and mesoscutellum matt, microalveolate to tessellate; preoccipital carina present at least laterally, sometimes weakly so; transscutal sulcus between axillae deeply and broadly impressed; mesoscutellum gently convex, broadly rounded apically in profile and distinctly raised above level of metanotum.............................. 3
2.Malar space as long as 2× flagellar diameter; posterior margin of metatibia gently arched, without projection at distal angle; parapenicillum curved but not greatly sinuate; head width 1.0 mm or greater........................................ Leurotrigona Moure
—Malar space as long as flagellar diameter; posterior margin of metatibia somewhat sinuous, with distal angle projected; parapenicillum markedly sinuate; head width less than 1.0 mm........................................ Exochotrigona Engel, n. subgen.
3.Labrum simple; bristles along posterior margin of metatibia as long as or shorter than maximum metatibial width....................................... Trigonisca Moure, s.str.
—Labrum bituberculate; bristles along posterior margin of metatibia distinctly longer than maximum metatibial width...................................... Celetrigona Moure
Notes
Files
Files
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Linked records
Additional details
Identifiers
- URL
- http://treatment.plazi.org/id/993CA639CE78FFC0FE67CDD15EF450D6
- LSID
- urn:lsid:zoobank.org:act:4F49E575-149E-46F2-9C49-79BBD9290034
Biodiversity
- Family
- Apidae
- Genus
- Trigonisca
- Kingdom
- Animalia
- Order
- Hymenoptera
- Phylum
- Arthropoda
- Scientific name authorship
- Moure
- Taxon rank
- genus
- Taxonomic concept label
- Trigonisca Engel, Rozen, Sepúlveda-Cano, Smith, Thomas, Ospina-Torres & Gonzalez, 2019