Mesochorus caucasicus, Riedel, 2018
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publication ID |
https://doi.org/ 10.5281/zenodo.4031076 |
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https://treatment.plazi.org/id/03DA87AD-FF90-1264-FDF8-FE9DFBF08380 |
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scientific name |
Mesochorus caucasicus |
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♂♂ ( for Mesochorus caucasicus nov.sp., M. fulvoides nov.sp., M. lapponator nov.sp. and M. pseudolapponicus nov.sp. unknown)
1 Pterostigmas brownish. Claspers pointed apically .............. M. lapponicus View in CoL THOMSON, 1885
- Pterostigmas hyaline or hyaline-ochreous ...........................................................................2
2 Claspers pointed apically ( fig. 51 View Figs 46-51 ). Propodeum - seen from lateral - strongly arched ( fig. 48 View Figs 46-51 ). Area petiolaris large, its length about half the length of propodeum...................... ......................................................................................................... M. propodealis nov.sp.
- Claspers blunt or slightly clubbed apically. Propodeum rounded. Area petiolaris distinctly shorter than half the length of propodeum ...........................................................3
3 Lower mandibular teeth larger than the upper ones. Area superomedia very slender, length>3xwidth ( fig. 15 View Figs 14-17 ) ................................................ M. fulgurator View in CoL HORSTMANN, 2006
- Mandibles with equal teeth. Area superomedia stouter, length <2.7x width .......................4
4 Claws long and strongly falcate apically ( fig. 42 View Figs 39-45 ). Subbasal cells of front wings bare in proximal half ( fig. 40 View Figs 39-45 ) ................................................................ M. pelvis View in CoL SCHWENKE, 2002
- Claws normally bent. Subbasal cells of front wings with at least scattered hairs................5
5 Genal carinae reaching the hypostomal ones close to mandibular bases. Hind femora slender, about 6x as long as wide ....................................... M. agnellonis View in CoL SCHWENKE, 1999
- Genal carinae reaching the hypostomal ones far from mandibular bases. Hind femora usually stouter .....................................................................................................................6
6 Ocellismaller, OOD 0.8-1.2 ( fig. 12 View Figs 9-13 )..................................................................................7
- Ocelli larger, OOD 0.5-0.7 ( fig. 22 View Figs 18-24 )....................................................................................8
7 Temples roundly narrowed behind eyes, length 0.5-0.6x eye width. OOD 0.8-1.0. Face narrower, width 0.8x eye length, usually with parallel sides................................................. .......................................................................................... M. britannicus View in CoL SCHWENKE, 1999
- Temples slightly widened behind eye, narrowed apically, length c.0.8x eye width. OOD 1.2. Face wide, width 1.0x eye length, with slightly divergent sides ventrally ............ ....................................................................................................... M. flavoorbitalis nov.sp.
8 Temples longer, length 0.8-1.0x eye width. Claspers longer, length c.1.4x length of 2 nd hind tarsomeres .............................................................................. M. laricis View in CoL HARTIG, 1838
- Temples shorter, strongly rounded behind eyes. Claspers shorter, c.1.1-1.2x length of 2 nd hind tarsomeres..................................................................... M. fulgurans View in CoL CURTIS, 1833
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