Dissomphalus coronatus, Alencar & Azevedo, 2006
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publication ID |
https://doi.org/ 10.5281/zenodo.174206 |
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DOI |
https://doi.org/10.5281/zenodo.3508315 |
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persistent identifier |
https://treatment.plazi.org/id/2E5F8788-5A2D-4435-FE98-D82F2D5AF9CF |
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treatment provided by |
Plazi |
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scientific name |
Dissomphalus coronatus |
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Key to males of Neotropical coronatus species group of Dissomphalus
1. Crown-process long, located at lower part of aedeagus, near apodeme ( Figs. 6 View FIGURES 1 – 11. 1 – 4 , 32 View FIGURES 24 – 34. 24 – 27 ) ................................................................................................................................... 2
- Crown-process distant from apodeme ( Figs. 3, 8, 11 View FIGURES 1 – 11. 1 – 4 ) .............................................. 3
2(1). Ventral ramus with apical part converging mesad, apex narrow ( Fig. 5 View FIGURES 1 – 11. 1 – 4 ); paramere with base developed in dorsal view .............................................. D. auritus sp. nov.
- Ventral ramus with apical part straight, apex rounded and slightly dilated ( Fig. 31 View FIGURES 24 – 34. 24 – 27 ); paramere not so dilated in dorsal view ( Fig. 32 View FIGURES 24 – 34. 24 – 27 ) .......................... D. sinatus sp. nov.
3(1). Ventral ramus with apex thick and inner margin strongly excavated before apex ( Fig. 20 View FIGURES 12 – 23. 12 – 14 ) ............................................................................................... D. galeatus sp. nov.
- Ventral ramus with apex thin, apical half not strongly excavated before apex ( Figs. 7 View FIGURES 1 – 11. 1 – 4 , 13 View FIGURES 12 – 23. 12 – 14 ) ......................................................................................................................... 4
4(3). Apical half of ventral ramus abruptly narrower than basal half and strongly convergent mesad ( Figs. 7 View FIGURES 1 – 11. 1 – 4 , 13, 16 View FIGURES 12 – 23. 12 – 14 , 24, 28 View FIGURES 24 – 34. 24 – 27 ) .......................................................................... 5
- Apical half of ventral ramus not as above ( Figs. 2, 10 View FIGURES 1 – 11. 1 – 4 , 18, 22 View FIGURES 12 – 23. 12 – 14 , 33 View FIGURES 24 – 34. 24 – 27 ) .......................... 9
5(4). Paramere with apical margin strongly concave and with small tooth medially ( Fig. 15 View FIGURES 12 – 23. 12 – 14 ) ........................................................................................... D. decussatus sp. nov.
- Paramere without such modification ......................................................................... 6
6(5). Dorsal body with apex divided into three arms in ventral view ( Fig. 30 View FIGURES 24 – 34. 24 – 27 ), dorsal arm directed slightly mesad, median arm longer than dorsal one, directed laterad, ventral arm shorter than others with apex thin and folded ventrally and laterad; crown-process large, 0.25x aedeagus length ( Fig. 29 View FIGURES 24 – 34. 24 – 27 ) ................................ D. ramosus sp. nov.
- Dorsal body not as above; crown-process small, 0.1x aedeagus length ( Figs. 8 View FIGURES 1 – 11. 1 – 4 , 14 View FIGURES 12 – 23. 12 – 14 , 25 View FIGURES 24 – 34. 24 – 27 ) ............................................................................................................................. 7
7(6). Dorsal body with apex wide and arched ventrally ( Fig. 14 View FIGURES 12 – 23. 12 – 14 ) .... D. declinatus sp. nov.
- Dorsal body with apex narrow and directed laterad ( Figs. 8 View FIGURES 1 – 11. 1 – 4 , 25 View FIGURES 24 – 34. 24 – 27 )............................. 8
8(7). Ventral ramus with apex folded laterad ( Fig. 24 View FIGURES 24 – 34. 24 – 27 ); apex of dorsal body with rounded fold directed laterad in ventral view ( Fig. 26 View FIGURES 24 – 34. 24 – 27 ), small protuberance on apex in lateral view ( Fig. 27 View FIGURES 24 – 34. 24 – 27 ) ................................................................................ D. pronus sp. nov.
- Ventral ramus with apex straight ( Fig. 7 View FIGURES 1 – 11. 1 – 4 ); apex of dorsal body with serrate crest-like ventral projection in lateral view ( Fig. 9 View FIGURES 1 – 11. 1 – 4 ) ................................. D. coronatus sp. nov.
9(3). Dorsal body with two distinct pairs of apical lobes, inner margin of outer pair with three thorns ( Fig. 3, 4 View FIGURES 1 – 11. 1 – 4 ) ............................................................... D. aculeatus sp. nov.
- Dorsal body not as above ........................................................................................ 10
10(9). Ventral ramus with apical expansion with acute thorn medially ( Fig. 33 View FIGURES 24 – 34. 24 – 27 ) ................. ............................................................................................................ D. uber sp. nov.
- Ventral ramus without such expansion .................................................................... 11
11(10). Cuspis with apex dilated and truncate; outer lobes of aedeagus with spoon-like structure ( Fig. 23 View FIGURES 12 – 23. 12 – 14 ) ............................................................................ D. hirtus sp. nov.
- Cuspis with apex neither dilated nor truncate; outer lobes without spoon-like structure .......................................................................................................................... 12
12(8). Inner margin of ventral ramus microserrate ( Fig. 10 View FIGURES 1 – 11. 1 – 4 ); apex of dorsal body biramous; crown-process large ( Fig. 11 View FIGURES 1 – 11. 1 – 4 ) .................................................. D. culteratus sp. nov.
- Inner margin of ventral ramus not serrate ( Fig. 18 View FIGURES 12 – 23. 12 – 14 ); apex of dorsal body with no arm, dorsal margin of dorsal body sinuous; crown-process small ( Fig. 19 View FIGURES 12 – 23. 12 – 14 ) ....................... ..................................................................................................... D. flexuosus sp. nov.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.