Ctenocerini
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publication ID |
https://doi.org/ 10.1111/aen.12530 |
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DOI |
https://doi.org/10.5281/zenodo.4627873 |
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persistent identifier |
https://treatment.plazi.org/id/03E087EE-FFFB-3C72-C945-E2C5FA26DB3D |
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treatment provided by |
Tatiana |
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scientific name |
Ctenocerini |
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Key to Australian genera of Ctenocerini sensu
Evans (1972)
Females
1 Antenna with 11 flagellomeres (exceptional for female Aculeata); clypeus subangularly produced apically; malar space longer than pedicel width; in anterior view, vertex forming a low arc above level of eye tops; and metasoma strongly compressed apically ( Fig. 5a View Fig ) Cteniziphontes Evans View in CoL
- Antenna with 10 flagellomeres; clypeus truncate or emarginate apically ( Figs 1a View Fig , 2a View Fig , 3a View Fig , 4a View Fig and 5b,c View Fig ); malar space shorter than pedicel width, except in Evansiclavelia Pitts, Rodriguez & Shimizu , gen. nov. ( Fig. 4a View Fig ); in anterior view, vertex moderately or strongly elevated above level of eye tops; and metasoma not compressed laterally in Apoclavelia Evans View in CoL but compressed laterally in others......................................... 2
2 Clypeus nearly as wide as LID ( Fig. 5b View Fig ), transversely and rather abruptly bent downward towards its apical margin; propodeal declivity not sharply divided from dorsum; and metasoma shallowly and dorsoventrally compressed posteriorly .................................................. Apoclavelia Evans View in CoL
- Clypeus much narrower than LID, not transversely deflected downward towards its apical margin ( Figs 1a View Fig , 2a View Fig , 3a View Fig , 4a View Fig and 5c View Fig ); propodeal declivity sharply divided from dorsum, except in Evansiclavelia Pitts, Rodriguez & Shimizu , gen. nov. ( Fig. 4e View Fig ); and metasoma laterally compressed apically........ 3
3 Frontal bridge present ( Fig. 4a View Fig , arrow); malar space longer than pedicel width; propodeal dorsum and declivity not sharply divided ( Fig. 4e View Fig ); and transverse groove on S2 situated anteriorly to its basal third, almost concealed by posterior margin of S1 ..................................... Evansiclavelia gen. nov.
- Frontal bridge absent ( Figs 1a View Fig , 2a View Fig , 3a View Fig and 5c View Fig ); malar space much shorter than pedicel width; propodeal dorsum and declivity sharply divided, both forming angle ( Figs 1c,e View Fig , 2f,h View Fig and 3e,g View Fig ); and transverse groove on S2 situated posteriorly to its basal third ..................................................................... 4
4 Clypeus flat except depressed basally adjacent to antennal sockets, emarginate apically ( Fig. 5c View Fig ); labrum completely concealed; and transverse groove on S2 weak...................................................... Austroclavelia Evans View in CoL
- Clypeus convex medially, truncate apically ( Figs 1a,b View Fig , 2a,b View Fig and 3a View Fig ); labrum well exserted, usually at right angle to clypeus ( Figs 1b View Fig and 2b View Fig ); and transverse groove on S2 sharply impressed ............................................................................... 5
5 All tarsal claws unidentate ( Fig. 1j View Fig ); apicomedial corner of scape produced beyond origin of flagellum ( Figs 1b,d View Fig and 2d View Fig ); vertex extraordinarily elevated above eye tops ( Figs 1a View Fig and 2a View Fig ), distance from eye tops to vertex crest, in profile, about two-fifths of eye height or much more ( Figs 1c View Fig and 2c View Fig ); posterior ocelli situated much below level of eye tops; gena, in profile, as broad as or broader than eye, strongly narrowing above and below ( Figs 1c View Fig and 2c View Fig ); and gena, in dorsal view, scarcely narrowing posteriad, hence its shape nearly rectangular ( Figs 1d View Fig and 2e View Fig ) .............. Maurillus Smith View in CoL
- All tarsal claws bifid ( Fig. 3f View Fig ); apicomedial corner of scape not produced beyond origin of flagellum ( Fig. 3b,d View Fig ); vertex moderately elevated above eye tops ( Fig. 3a View Fig ), distance from eye tops to vertex crest, in profile, less than one-fifth of eye height ( Fig. 3e View Fig ); posterior ocelli situated at level of eye tops; gena, in profile, much narrower than eye, gently narrowing above and below ( Fig. 3e View Fig ); and gena, in dorsal view, narrowing posteriad, forming rather low arc ( Fig. 3b View Fig ) .............................................. Maurilloides gen. nov.
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