Eremocosta, Roewer, 1934
publication ID |
https://doi.org/ 10.11646/zootaxa.4402.3.2 |
publication LSID |
lsid:zoobank.org:pub:50282593-0195-4899-980F-493E062B71B0 |
DOI |
https://doi.org/10.5281/zenodo.5981624 |
persistent identifier |
https://treatment.plazi.org/id/03CE2E66-542E-FFDD-FF0C-FE5CFA200386 |
treatment provided by |
Plazi |
scientific name |
Eremocosta |
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Key to the species of Eremocosta View in CoL
1 Fondal notch (male) deep and distinct ( Figs. 2I, K, S View FIGURE 2 )....................................................... 2
- Fondal notch short and/or indistinct ( Figs. 2A, E, O, W View FIGURE 2 )...................................................... 4
2 VDC (male) proximal on ventral edge of fixed finger ( Figs. 1C View FIGURE 1 , 2I, J View FIGURE 2 )................................. E. formidabilis View in CoL
- VDC distal on ventral edge of fixed finger................................................................. 3
3 Male fixed finger dagger-like ( Fig. 2K View FIGURE 2 ) with distinct MM and distinct tooth-like MD ( Fig. 2K View FIGURE 2 , arrow). Female genital operculum as in Fig. 4C View FIGURE 4 with wings tear-drop shaped......................................................... E. gigas View in CoL
- Fixed finger not dagger-like, MM lacking or greatly reduced and MD present as a ridge ( Fig. 2S View FIGURE 2 , arrow). Female genital operculum with straight, parallel, narrow anterior arms broadening into distinct, rounded club-shaped wings, shaped like hockey sticks ( Fig. 4E View FIGURE 4 )................................................................................ E. striata View in CoL
4 Male movable finger with quadrate MD ( Fig. 2O View FIGURE 2 , arrow), female genital operculum as in Fig. 4D View FIGURE 4 with recurved anterior arms and recurved posterior margins................................................................. E. gigasella View in CoL
- Movable finger with no MD, female genital operculum not as above............................................. 5
5 Male fixed finger usually as long as or slightly longer than movable finger. Movable finger usually with two small MSM (sometimes only one) ( Fig. 2W View FIGURE 2 ). Lower edge of VDC, when viewed from ectal side of chelicera, slightly concave ( Fig. 2W View FIGURE 2 ). Female genital operculum with long straight anterior arms; posterior wings quadrate as in Fig. 4F. .............. E View in CoL View FIGURE 4 . titania
- Fixed finger usually slightly shorter than movable finger. Movable finger usually with just one small MSM ( Figs. 2A, 2E View FIGURE 2 ). Lower edge of VDC, when viewed from ectal side of chelicera, slightly convex ( Figs. 2A, 2E View FIGURE 2 ). Female genital operculum as in Figs. 4A View FIGURE 4 or B........................................................................................ 6
6 Male movable finger with small but distinct MM ( Fig. 2E View FIGURE 2 ). Female genital operculum club-shaped with long anterior arms and a posterior knob, posterior wing ovate as in Fig. 4B............................................... E View in CoL View FIGURE 4 . calexicensis
- Movable finger with barely visible MM (sometimes a tiny ridge) ( Fig. 2A View FIGURE 2 ). Wings of genital operculum thin and curved as in Fig. 4A..................................................................................... E View in CoL View FIGURE 4 . bajaensis
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.
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