Cybaeus adenes, Chamberlin & Ivie, 1932
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publication ID |
https://doi.org/ 10.11646/zootaxa.4711.2.2 |
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publication LSID |
lsid:zoobank.org:pub:06B09245-2722-4F4D-9076-41E68A17E8A7 |
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persistent identifier |
https://treatment.plazi.org/id/2F5B4D33-707D-FFA0-B289-446FFA5EFBB6 |
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treatment provided by |
Plazi |
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scientific name |
Cybaeus adenes |
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Key to the species of the Cybaeus adenes View in CoL group
(males of C. pearcei and C. torosus unknown; females of C. adenes and C. grizzlyi are apparently morphologically indistinguishable)
1. Males............................................................................................. 2
- Females........................................................................................... 8
2(1). Proximal arm of tegular apophysis with single, pointed tip (Figs 12, 18, 25, 56, 61, 63); with ( Figs 25 View FIGURES 25–27 , 61–64 View FIGURES 61–64 ) or without (Figs 12, 56) basal, pointed projection or proximally directed dorsal keel............................................ 3
- Proximal arm of tegular apophysis with tip bifid ( Figs 1 View FIGURES 1–3 , 44 View FIGURES 44–46 , 50 View FIGURES 50–53 , 59–60 View FIGURES 56–60 , 65, 67 View FIGURES 65–68 ) or trifid ( Figs 35 View FIGURES 35–37 , 57 View FIGURES 56–60 ); proximally directed dorsal keel present (but may be inconspicuous) ( Figs 57, 59–60 View FIGURES 56–60 , 65, 67 View FIGURES 65–68 )......................................... 5
3(2). Patellar apophysis with 40–50 peg setae covering dorsal surface (Fig. 13). Proximal arm of tegular apophysis without basal, pointed projection or dorsal keel ( Fig. 56 View FIGURES 56–60 ). West central California: southern San Francisco Bay area to northern Monterey County ( Fig. 69 View FIGURE 69 )................................................................. amicus Chamberlin & Ivie View in CoL
- Patellar apophysis with about 25–30 peg setae dorsally or anterodorsally ( Figs 19 View FIGURES 18–20 , 26 View FIGURES 25–27 ). Proximal arm of tegular apophysis with basal, pointed projection or dorsal keel ( Figs 61–64 View FIGURES 61–64 ). West or east central California ( Fig. 70 View FIGURE 70 )................... 4
4(3). Proximal arm of tegular apophysis with simple untwisted tip and prominent, bluntly pointed dorsal keel ( Figs 61–62 View FIGURES 61–64 ). West central California: Contra Costa and Alameda Counties ( Fig. 70 View FIGURE 70 )................................. grizzlyi Schenkel View in CoL
- Proximal arm of tegular apophysis with simple, slightly corkscrewed tip and dorsal keel a broad, bluntly pointed process dorsal to tip ( Figs 63–64 View FIGURES 61–64 ). East central California: Placer and El Dorado Counties ( Fig. 70 View FIGURE 70 )..... auburn Bennett View in CoL spec. nov.
5(2). Patellar apophysis nearly lacking peg setae ( Fig. 36 View FIGURES 35–37 ); proximal arm of tegular apophysis with broad, trifid tip and prominent dorsal keel ( Figs 57–58 View FIGURES 56–60 ). West central California: Santa Clara County to Monterey County ( Fig. 70 View FIGURE 70 )............................................................................................... reducens Chamberlin & Ivie View in CoL
- Ten to 30 peg setae ( Figs 2 View FIGURES 1–3 , 51 View FIGURES 50–53 ); proximal arm of tegular apophysis with narrower, bifid tip ( Figs 59–60 View FIGURES 56–60 , 65, 67 View FIGURES 65–68 ), dorsal keel reduced ( Figs 59–60 View FIGURES 56–60 ) or prominent ( Figs 65–68 View FIGURES 65–68 ). West central California: north of Santa Clara County ( Figs 69–70 View FIGURE 69 View FIGURE 70 )..... 6
6(5). Proximal arm of tegular apophysis with divergent tips ( Figs 59–60 View FIGURES 56–60 ). West central California: Sonoma to San Francisco Counties ( Fig. 69 View FIGURE 69 ).................................................................... adenes Chamberlin & Ivie View in CoL
- Proximal arm of tegular apophysis with convergent tips ( Figs 65, 67 View FIGURES 65–68 ). West central California: San Mateo and Napa Counties ( Fig. 70 View FIGURE 70 )........................................................................................... 7
7(6). Tips of proximal arm of tegular apophysis larger, relatively strongly convergent, pincer-like ( Fig. 67 View FIGURES 65–68 ); 13 peg setae anterodorsally on patellar apophysis ( Fig. 45 View FIGURES 44–46 ). West central California: San Mateo County ( Fig. 70 View FIGURE 70 )............. sanbruno Bennett View in CoL
- Tips of proximal arm of tegular apophysis relatively weakly convergent, not pincer-like ( Fig. 65 View FIGURES 65–68 ); about ten peg setae dorsally on patellar apophysis ( Fig. 51 View FIGURES 50–53 ). West central California: Napa County ( Fig. 70 View FIGURE 70 )............. schusteri Bennett View in CoL spec. nov.
8(1). Atrium with lateral margins strongly curved antero-medially ( Figs 47–48 View FIGURES 47–49 ); copulatory ducts contiguous (or nearly so) ( Figs 48–49 View FIGURES 47–49 ). West central California: San Mateo County ( Fig. 70 View FIGURE 70 ).................................... sanbruno Bennett View in CoL
- Atrium with lateral margins simple, not curved anteriorly ( Figs 4 View FIGURES 4–8 , 9 View FIGURES 9–11 , 15 View FIGURES 15–17 , 21 View FIGURES 21–24 , 30 View FIGURES 28–30 , 41 View FIGURES 38–43 ); copulatory ducts widely separated ( Figs 6 View FIGURES 4–8 , 11 View FIGURES 9–11 , 17 View FIGURES 15–17 , 24 View FIGURES 21–24 , 29 View FIGURES 28–30 , 43 View FIGURES 38–43 ). East or west central California ( Figs 69–71 View FIGURE 69 View FIGURE 70 View FIGURE 71 )............................................. 9
9(8). Atrium weakly to moderately concave and broad, length from epigastric groove to anterior margin <width between lateral margins ( Figs 38, 41 View FIGURES 38–43 , 21–22 View FIGURES 21–24 ).......................................................................... 10
- Atrium strongly concave and narrower, length 1.2–3.0 times> width ( Figs 6 View FIGURES 4–8 , 15 View FIGURES 15–17 , 33 View FIGURES 33–34 , 54 View FIGURES 54–55 ).......................... 11
10(9). Atrium at anterior margin of vulva ( Figs 38, 41 View FIGURES 38–43 ); vulva compact, apparently strongly reduced ( Figs 39–40, 42–43 View FIGURES 38–43 ). West central California: Santa Clara County to Monterey County ( Fig. 70 View FIGURE 70 )..................... reducens Chamberlin & Ivie View in CoL
- Atrium antero-medially located ( Figs 21–22 View FIGURES 21–24 ); vulva “normal” ( Figs 22–24 View FIGURES 21–24 ). East central California: Placer and El Dorado Counties ( Fig. 70 View FIGURE 70 )............................................................... auburn Bennett View in CoL spec. nov.
11(9). Atrium inverted U-shaped or lyriform, widest anteriorly ( Figs 4, 7 View FIGURES 4–8 , 9 View FIGURES 9–11 , 30 View FIGURES 28–30 ); copulatory ducts smoothly curved posteriorly, not turning anteriorly at spermathecal heads ( Figs 6, 8 View FIGURES 4–8 , 28–29 View FIGURES 28–30 ).................................................. 12
- Atrium inverted U- or vase-shaped (not lyriform), widest posteriorly ( Figs 15 View FIGURES 15–17 , 53–54 View FIGURES 50–53 View FIGURES 54–55 ); copulatory ducts smoothly curved posteriorly ( Figs 16–17 View FIGURES 15–17 ) or turning anteriorly at spermathecal heads ( Figs 34 View FIGURES 33–34 , 55 View FIGURES 54–55 )................................ 13
12(11). California: north and west San Francisco Bay area ( Fig. 69 View FIGURE 69 ).............................. adenes Chamberlin & Ivie View in CoL
- California: east San Francisco Bay area ( Fig. 70 View FIGURE 70 ).............................................. grizzlyi Schenkel View in CoL
13(11). Atrium inverted vase-shaped, lateral margins convex ( Fig. 53 View FIGURES 50–53 ). California: Napa County ( Fig. 70 View FIGURE 70 )................................................................................................. schusteri Bennett View in CoL spec. nov.
- Atrium inverted U-shaped, lateral margins concave ( Figs 15 View FIGURES 15–17 , 33–34 View FIGURES 33–34 , 54 View FIGURES 54–55 ). California: San Francisco Bay area counties south of San Francisco and Berkeley to Monterey County ( Figs 69–71 View FIGURE 69 View FIGURE 70 View FIGURE 71 )............................................. 14
14(13). Copulatory ducts turning anteriorly at spermathecal heads ( Figs 34 View FIGURES 33–34 , 55 View FIGURES 54–55 ); length of atrium (from epigastric groove to anterior margin) 2–3 times> width ( Fig. 33 View FIGURES 33–34 , 54 View FIGURES 54–55 ). West central California: Alameda County ( Fig. 71 View FIGURE 71 )........................ 15
- Copulatory ducts smoothly curved posteriorly, not turning anteriorly ( Figs 16–17 View FIGURES 15–17 ); length of atrium 1.2–1.6 times> width ( Fig. 15 View FIGURES 15–17 ). West central California: southern San Francisco Bay area to northern Monterey County ( Fig. 69 View FIGURE 69 )............................................................................................ amicus Chamberlin & Ivie View in CoL
15(14). Copulatory ducts broad anteriorly (extending laterally beyond spermathecal bases), heavily sclerotized posteriorly ( Fig. 55 View FIGURES 54–55 ); lateral margins clearly visible ventrally through integument of uncleared epigynum ( Fig. 54 View FIGURES 54–55 ).... torosus Bennett View in CoL spec. nov.
- Copulatory ducts narrow anteriorly (not extending laterally beyond spermathecal bases), not heavily sclerotized posteriorly ( Fig. 34 View FIGURES 33–34 ); not clearly visible through epigynal integument ( Fig. 33 View FIGURES 33–34 )........................ pearcei Bennett View in CoL spec. nov.
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