| Figures 7–10. Aptostichus icenoglei sp. n. burrow; specimen MY2465, adult female, excavated from roadside bank north of Fallbrook on DeLuz Road (San Diego County). 7 burrow with trapdoor closed 8, 9 trapdoor propped open frontal and side views 10 burrow excavated. |
| Figures 31–38. Standard light microscopy views of female an Aptostichus simus specimen (MY3432). 31 side view 32 ventral view, sternum 33 dorsal view, carapace 34–35 eye group, dorsal and lateral views 36 leg I prolateral view 37 leg IV retrolateral view 38 palpal endite. |
| Figures 39–50. Scanning electron micrographs of Aptostichus simus specimens (female AP097, 39–47; male AP819, 48–50). 39 palpal endite, arrow indicates cuspule pattern 40 left pedipalp claw, retrolateral aspect 41 leg I, tarsal claws, retrolateral aspect 42 leg I, tarsus, dorsal aspect, tarsal organ (arrow) 43 leg I, tarsus, dorsal aspect, trichobothrial base (arrow) 44 leg I, tarsal scopulae 45 leg IV, ventral junction of tarsus and metatarsus, preening comb 46, 47 cleared spermathecae and close up of left spermathecal lobe 48 leg I, retrolateral distal aspect of tibia 49 pedipalp, ventral aspect 50 serrated edge of palpal embolus. |
| Figures 51–56. Standard light microscopy views of Aptostichus atomarius male specimens ( 51–54 MY2979; 55, 56 AP357). 51 dorsal habitus view 52 ventral habitus view 53 carapace 54 lateral habitus view 55 leg I, retrolateral aspect 56 pedipalp, retrolateral aspect. |
| Figures 57–68. Scanning electron micrographs of Aptostichus atomarius specimens (female MY3432, 57–67; male MY2979 68). 57 left chelicerae, anterior ventral aspect 58 left pedipalp claw, retrolateral aspect 59 leg I, tarsal claw, retrolateral aspect 60 tarsal scopulae, leg I 61 leg IV tarsal claws, retrolateral aspect 62 leg IV preening comb, tarsus/metatarsus junction 63 leg I, tarsus, dorsal aspect, tarsal organ 64 spinnerets 65 spinning field, distal aspect of PLS 66, 67 cleared spermathecae and close-up of left lobe 68 pedipalp, retrolateral aspect, arrow indicates position of spines on cymbium. |
| Map 1. Distribution of type localities for all known species of Aptostichus. Three letter identifiers are defined in Table 1; inset shows approximate scope of study area. |
| Figures 69–75. Aptostichus atomarius Simon, 1891. 69–72 Specimen AP357 from San Bernardino Co., San Bernardino; scale bar = 1.0mm 69 retrolateral aspect leg I [805733] 70 prolateral aspect leg I [805737] 71 retrolateral aspect pedipalp [805743] 72 ventral aspect palpal bulb [805745] 73–75 line drawings of spination patterns on metatarsus and tibia, leg I, retrolateral aspect 73 Los Angeles Co., Baldwin Hills (AP181) 74 San Luis Obispo Co., San Luis Obispo (AP172) 75 Los Angeles Co., Eaton Canyon Park (AP157). |
| Figures 82–87. Aptostichus stephencolberti Bond, 2008. 82 male habitus from San Francisco Co. (AP156) [805762] 83–85 male holotype from San Mateo Co., Pescadero State Beach (MY3515); scale bar = 1.0mm 83 retrolateral aspect leg I [805751] 84 prolateral aspect leg I [805747] 85 retrolateral aspect pedipalp [805753] 86 female habitus from Santa Cruz Co., Waddell Creek Beach (MY3508) [805758] 87 cleared spermathecae, from San Luis Obispo Co., Wilder Ranch State Beach (MY3500) [805754]; scale bar = 0.25mm. |
| Figures 106–112. Aptostichus stanfordianus Smith, 1908. 106–109 male specimen from Contra Costa Co., Orinda Village (AP162); scale bars = 1.0mm 106 male habitus [805794] 107 retrolateral aspect, right leg I [805784] 108 prolateral aspect, right leg I [805780] 109 retrolateral aspect, right pedipalp [805786] 110, 111 female habitus and cleared spermathecae from Santa Cruz Co. (MY3100) [805790, 805795] 112 cleared spermathecae from Alameda Co., Alameda (AP296) [805776]; scale bars = 0.1mm. |
| Figures 120–126. Aptostichus pennjillettei sp. n. from Nevada, Clark Co., Mercury, Nuclear Test Site; scale bars = 1.0mm. 120 habitus, male holotype (AP413) [805830] 121–122 male paratype (AP412), leg I 121 retrolateral aspect [805838] 122 prolateral aspect [805834] 123–125 line drawings of spination patterns on leg I, retrolateral aspect, tibia and metatarsus 126 retrolateral aspect, holotype pedipalp [805832]. |
| Figures 127–133. Aptostichus asmodaeus sp. n. from Contra Costa Co., Mt. Diablo. 127–132 male holotype (AP428); scale bars = 1.0mm 127 habitus [805850] 128–130 leg I 128 retrolateral aspect [805844] 129 prolateral aspect [805848] 130 line drawing of spination patterns on leg I, retrolateral aspect, tibia and metatarsus 131–132 pedipalp, retrolateral aspect of photograph [805852] and line drawing 133 cleared spermathecae (AP551) [806573]; scale bar = 0.1mm. |
| Figures 134–141. Aptostichus nateevansi sp. n. from Los Angeles Co., Santa Catalina Island (holotype) and San Clemente Island (paratype). 134–136, 139, 140 male holotype (AP420); scale bars = 1.0mm 134 habitus [805860] 135 retrolateral aspect, leg I [805854] 136 prolateral aspect, leg I [808858] 137, 138 male paratype (AP429) 137 retrolateral aspect, leg I 138 prolateral aspect, leg I 139 line drawings of leg I spination patterns, retrolateral aspect of patella, tibia and metatarsus and prolateral aspect of patella and tibia 140 retrolateral aspect, pedipalp [805864] 141 cleared spermathecae (AP543) [806576]; scale bar = 0.1mm. |
| Figures 146–150. Aptostichus icenoglei sp. n.; scale bars = 1.0mm. 146–148, 150 male holotype from Riverside Co., Winchester (AP391) 146 habitus [805874] 147 retrolateral aspect, leg I [805866] 148 prolateral aspect, leg I [805870] 149 line drawings of leg I article spination patterns of holotype and additional specimens from the type locality 150 retrolateral aspect, pedipalp [805872]. |
| Figures 165–168. Aptostichus isabella sp. n. male holotype (MY3824) from Kern Co. 165–167 leg I 165 retrolateral aspect [805901] 166 prolateral aspect [806607] 167 line drawing, retrolateral aspect 168 retrolateral aspect, pedipalp [805903]. Scale bars = 1.0mm. |
| Figures 174–180. Aptostichus barackobamai sp. n. 174–176 male holotype from Mendocino Co. (AP411) 174 habitus [806630] 175 retrolateral aspect, leg I [806634] 176 prolateral aspect, leg I [806636] 177–179 male paratype from Tehama Co. (MY3805) 177 retrolateral aspect, leg I [806638] 178 prolateral aspect, leg I [806642] 179 retrolateral aspect, pedipalp [806644] 180 line drawings of leg I holotype and paratype specimens; retrolateral aspect of holotype pedipalp. Scale bars = 1.0mm. |
| Figures 188–191. Aptostichus hesperus (Chamberlin, 1919). 188 sternal sigilla pattern (indicated by circled area, labium at top of photograph; MY2526)) [805941] 189 line drawing of rastellar spine pattern for Aptostichus hesperus and other Hesperus group species 190 cleared spermathecae, specimen from San Bernardino Co., Yucaipa (MY2526) [805942]; scale bar = 0.1mm 191 photograph of live specimen from Riverside Co., Winchester(MY2496). |
| Figures 197–203. Aptostichus hedinorum sp. n. 197–200 male holotype (MY3779); scale bars = 1.0mm 197 habitus [806056] 198 retrolateral aspect, leg I [806048] 199 prolateral aspect, leg I [806052] 200 pedipalp, leg I [806054] 201 female habitus (MY3781), from type locality [806058] 202, 203 cleared spermathecae, female paratype (AP675) [806608] and additional specimen from type locality (MY3781) [806702]; scale bars = 0.1mm. |
| Figures 243–248. Aptostichus derhamgiulianii sp. n.; scale bars = 1.0mm. 243–246 male holotype (AP 415) Inyo County 243 habitus [806016] 244 retrolateral aspect, leg I [806010] 245 prolateral aspect, leg I [806014] 246 retrolateral aspect, pedipalp [806018] 247 male paratype (AP424) from Mono County, retrolateral aspect, leg I [806020] 248 line drawings, spination pattern, leg I tibia and metatarsus of holotype and paratype; retrolateral view, holotype pedipalp. |
| Figures 249–256. Aptostichus mikeradtkei sp. n. 249–252 male holotype (AP1085), from San Diego Co.; scale bars = 1.0mm. 249 habitus [806034] 250 retrolateral aspect, leg I [806032] 251 prolateral aspect, leg I [806028] 252 retrolateral aspect, pedipalp [806036] 253–255 cleared spermathecae; scale bars = 0.1mm 253 female paratype (AP1148) [806705] 254, 255 additional specimens from vicinity of type locality (AP1155, 1247) [806620, 806623] 256 sternum of paratype female (AP1148) [806038]. |
| Figures 257–261. Aptostichus edwardabbeyi sp. n. 257, 258 habitus and cleared spermathecae of female paratype from Santa Cruz Co., Arizona (MY2279); scale bar = 0.1mm [806086] 259–261 male holotype (AP402) [806706]; scale bar = 1.0mm 259 retrolateral aspect, leg I [806078] 260 prolateral aspect, leg I [806076] 261 retrolateral aspect, pedipalp [806072]. |
| Figures 262–265. Aptostichus anzaborrego sp. n., male holotype from San Diego County (AP1199); scale bars = 1.0mm. 262 habitus [806106] 263 retrolateral aspect, leg I [806102] 264 prolateral aspect, leg I [806098] 265 retrolateral aspect, pedipalp [806104]. |
| Figures 266–272. Aptostichus sinnombre sp. n., male specimens from San Diego County; scale bars = 1.0mm. 266–268 male holotype (MY3761) 266 retrolateral aspect, leg I [806546] 267 prolateral aspect, leg I [806550] 268 retrolateral aspect, pedipalp [806552] 269–271 male paratype (MY3823) 269 retrolateral aspect, leg I [806554] 270 prolateral aspect, leg I [806558] 271 retrolateral aspect, pedipalp [806560] 272 line drawing, spination pattern, leg I tibia and metatarsus of holotype. |
| Figures 274–280. Aptostichus simus Chamberlin, 1917 male specimens from San Diego County; scale bars = 1.0mm. 274 habitus (AP1209) [806521] 275–278 secondary sexual characteristics (AP819) 275 retrolateral aspect, leg I [806525] 276 prolateral aspect, leg I [806529] 277 ventral view, pedipalp bulb [806531] 278 retrolateral aspect, pedipalp [806533] 279, 280 line drawings, leg I articles 279 retrolateral and prolateral aspect of specimen from San Diego County, Imperial Beach 280 retrolateral aspect, tibia and patella, in descending from San Diego County, Imperial Beach and Santa Barbara County, Carpinteria State Beach. |
| Figures 281–283. Aptostichus simus female specimens. 281 habitus, from San Diego County (AP067) 282 cleared spermathecae (MY3447), from San Luis Obispo County [806538]; scale bar = 0.1mm 283 cephalothorax, ventral aspect, from San Diego County (AP095) [806542]. |
| Figures 304–310. Aptostichus lucerne sp. n. from San Bernardino County. 304–307 male holotype (AP434); scale bars = 1.0mm and 0.5mm ( 306) 304 retrolateral aspect, of right leg, leg I [806479] 305 prolateral aspect, of right leg, leg I [806483] 306 oblique, ventral/retrolateral aspect of palpal bulb [806485] 307 retrolateral aspect, pedipalp [806487] 308, 309 male paratype 308 retrolateral aspect, leg I [806489] 309 prolateral aspect, leg I [806493] 310 line drawings of leg I spination pattern; retrolateral aspect tibia and metatarsus; prolateral aspect of tibia. |
| Figures 316–322. Aptostichus fisheri sp. n. from Kern County; scale bars = 1.0mm. 316 habitus of male paratype (AP954) [806438] 317–319 male holotype (AP955) 317 retrolateral aspect, leg I [806442] 318 prolateral aspect, leg I [806446] 319 retrolateral aspect, pedipalp [806448] 320, 321 male paratype (AP407) 320 retrolateral aspect, leg I [806450] 321 prolateral aspect, leg I [806454] 322 line drawings of leg I spination pattern and pedipalp; retrolateral aspect, patella, tibia, metatarsus, tarsus; prolateral aspect, tibia and patella; retrolateral aspect, pedipalp. |
| Figures 332–336. Aptostichus sierra sp. n. male holotype (AP400) from Fresno County; scale bars = 1.0mm. 332 habitus [806511] 333 retrolateral aspect, leg I [806515] 334 prolateral aspect, leg I [806517] 335 retrolateral aspect, pedipalp [806519] 336 line drawings of leg I tibia and patella spination patterns; retrolateral aspect; prolateral aspect. |
| Figures 337–341. Aptostichus huntington sp. n. male holotype (AP408) from Fresno County; scale bars = 1.0mm. 337 retrolateral aspect, leg I [806469] 338 prolateral aspect, leg I [806473] 339 retrolateral aspect, pedipalp [806475] 340 sternum [806477] 341 line drawings of leg I and pedipalp spination patterns; retrolateral aspect patella, tibia, metatarsus, and tarsus; prolateral aspect tibia and patella; retrolateral aspect, pedipalp. |
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