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Figures 7-10. Phidippus pacosauritus female. Figure 7. Anterior view. Figures 8-10 in Description of Phidippus pacosauritus sp. nov. (Salticidae: Salticinae: Dendryphantini: Dendryphantina), with a reanalysis of related species in the mystaceus group

Figures 7-10. Phidippus pacosauritus female. Figure 7. Anterior view. Figures 8-10. Variation in dorsal abdominal pattern in color and visibility of lateral abdominal bands. Figure 10. Dark integument and scales variant. Photo credits: Figures 7-9, Colin Hutton; Figure 10, David Hill.

Figures 16-19. Preserved Phidippus pacosauritus, ventral view. Figure 16. Male. Figures 17-19 in Description of Phidippus pacosauritus sp. nov. (Salticidae: Salticinae: Dendryphantini: Dendryphantina), with a reanalysis of related species in the mystaceus group

Figures 16-19. Preserved Phidippus pacosauritus, ventral view. Figure 16. Male. Figures 17-19. Female variations.

Figures 13-15. Live Phidippus pacosauritus, ventral view. Figure 13. Male. Figures 14-15 in Description of Phidippus pacosauritus sp. nov. (Salticidae: Salticinae: Dendryphantini: Dendryphantina), with a reanalysis of related species in the mystaceus group

Figures 13-15. Live Phidippus pacosauritus, ventral view. Figure 13. Male. Figures 14-15. Female variations. Photo credits: David Hill.

Figures 3-6 in Description of Phidippus pacosauritus sp. nov. (Salticidae: Salticinae: Dendryphantini: Dendryphantina), with a reanalysis of related species in the mystaceus group

Figures 3-6. Phidippus pacosauritus male. Variation in dorsal pattern, clockwise from top left, least to most developed pattern. Figure 6. Note presence of lateral abdominal bands. Photo credits: Colin Hutton.

Figures 30-33. Phidippus mystaceus clade group members, male anterior view. Figure 30. Phidippus tigris, Arizona. Figure 31. Phidippus arizonensis, New Mexico. Figure 32. Phidippus toro, Arizona. Figure 33 in Description of Phidippus pacosauritus sp. nov. (Salticidae: Salticinae: Dendryphantini: Dendryphantina), with a reanalysis of related species in the mystaceus group

Figures 30-33. Phidippus mystaceus clade group members, male anterior view. Figure 30. Phidippus tigris, Arizona. Figure 31. Phidippus arizonensis, New Mexico. Figure 32. Phidippus toro, Arizona. Figure 33. Phidippus adonis, Morelos. Observe that many species have the foreleg pattern repeated on the following legs. This is particularly noticeable when the male raises the forelegs, as the second leg pair are shifted forward to support him. The four leg pattern formed by the first and second pair of legs is quite striking when the pattern is complex, and it seems likely that the second pair of legs augments the display when the forelegs are raised, perhaps during courtship (Figure 30), but also during threat displays (Figure 31, with forelegs raised; Figures 32-33 taken just after forelegs were lowered from full threat display). Note also that in P. arizonensis and P. cruentus (see previous figure plate), this is not true, as at least the femora of the forelegs are unique, unlike the succeeding leg pairs. Photo credits: Figures 30, 33, Colin Hutton.

Figures 38-41 in Description of Phidippus pacosauritus sp. nov. (Salticidae: Salticinae: Dendryphantini: Dendryphantina), with a reanalysis of related species in the mystaceus group

Figures 38-41. Male Phidippus species with alternating black and white fringes on the forelegs; not mystaceus group members. Arranged clockwise from upper left by decreasing number of primary white fringes. Figure 38. Phidippus tyrrelli, Oregon, 6 white fringes. Figure 39. Phidippus adumbratus, California, 5 white fringes. Figure 40. Phidippus boei, California, 4 white fringes. Figure 41. Phidippus ardens, Idaho, 3 white fringes. Observe the much greater complexity of white palp and facial decorations (anterior ocular band above first eye row, lateral 'cheek' areas, clypeus, and chelicerae) in those species with a greater number of white leg fringes.

Figures 34-37 in Description of Phidippus pacosauritus sp. nov. (Salticidae: Salticinae: Dendryphantini: Dendryphantina), with a reanalysis of related species in the mystaceus group

Figures 34-37. Phidippus mystaceus clade group members, males with transverse ridge in dorsal eye field area. Figure 34. Phidippus mystaceus, Georgia. Figure 35. Phidippus toro, Arizona. Arrows at ridge with red or coral scales, respectively. Figures 36-37. Posterodorsal view. Figure 36. Phidippus pacosauritus, Sinaloa, foreleg femoral tufts readily apparent. Figure 37. Phidippus toro, Arizona. Observe that the 'ears' of P. pacosauritus are just lateral of where the large tufts and ridge occur on P. toro, and in this view, almost seem to replace the tufts. Photo credits: Figures 34, 36, David Hill; Figure 37, Colin Hutton.

Figure 54 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 54. Courtship and mating by Phidippus pulcherrimus from Nassau County, Florida. 1, Composite image showing approach and mating, first on the right side (7), then on the left side (8). 2, Display by a male at a distance. 3, Display at an intermediate distance. 4-5, Sequence showing mating on right side (4) followed by mating on left side (5). 6, Another mating pair.

Figure 48 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 48. Courtship by Phidippus princeps from Laurens County, South Carolina. 1, Composite showing two sequential positions as a male stepped from side to side in front of a female at a distance. The female did not move. 2-

Figure 58 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 58 (continued from previous page). Orange to red forms of Phidippus species in the southeastern United States. 7-8, Two adult female P. otiosus from Highlands County, Florida. 9, Adult male P. otiosus (Hentz 1846) from Highlands County, Florida. 10, Adult male P. otiosus from Montgomery County, Alabama. 11-12, Two adult female P. regius C. L. Koch 1846 from Tosohatchee Wildlife Management Area in Orange County, Florida.

Figure 51 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 51. Courtship by Phidippus pulcherrimus-like spiders from Screven County, Georgia. 1, Male displaying to female with prey, at a distance. 2, Composite image showing three successive positions (1-3) during approach by a male. 3, Composite images showing six successive positions during approach by a male.

Figure 38 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 38. Illustrations published with earlier descriptions of Phidippus princeps and P. pulcherrimus. Composite photo by Jay Barnes (16) and drawings by G. B. Edwards (6-9, 13-15, 17-18) used with permission.

Figure 40 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 40. Staged encounters with prey by Phidippus princeps in Greenville County, South Carolina. Spiders were placed with prey on plants in containers. 1-2, Adult female preparing to jump on a nearby spider (1), and after capture of this spider (2). 3-5, Adult females feeding on captured spiders. 6, Adult female feeding on a captured Elephant Mosquito (Toxorhynchites rutilis). 7, Juvenile feeding on a spider. 8, Juvenile feeding on a Red-banded Leafhopper (Graphocephala coccinea). 9, Adult female watching a pisaurid spider (Pisaurina mira). This spider was not attacked. 10, Adult female watching a snout beetle that it did not attack.

Figure 57 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 57. Agonistic encounters between Phidippus pulcherrimus-like males from Screven County, Georgia. 1-5, Sequence showing threat with chelicerae separated (1), close approach with fangs barred and legs I outstretched (2), threat with fangs barred (3-4), and grappling (5). 6-7, Two threat positions.

Figure 47 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 47. Courtship by Phidippus princeps from Greenville County, South Carolina. Courtship was staged by placing males and females near each other on plants taken into the laboratory. 1-2, 4, Males displaying to distant females with outstretched legs I. 3, Composite image showing three sequential positions (1-3) of a male and female. The female turned in place to follow movement of the male. 5, Final approach with legs I extended to the front. 6-7, Sequential positions during courtship. 8-9, Sequential images of final approach and contact with a receptive female.

Figure 55 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 55. Courtship and mating by Phidippus pulcherrimus from Nassau County, Florida. 1-7, Sequence showing approach and mating, first on the left side (6), then on the right side (7). 8-9, Sequence showing final approach. 10-11, Another sequence showing final approach.

Figure 37 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 37 (continued on next page). Spiders from counties in Alabama and Georgia. 1-2, Adult female P. princeps. 3, Intermediate juvenile with golden carapace, feeding on captured ant. 4-7, Adult females from intermediate populations. Photos by G. Beaton, used with permission.

Figure 43. Autophagy after a in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 43. Autophagy after a staged encounter between an oxyopid spider (Oxyopes) and an adult female Phidippus pulcherrimus from Nassau County, Florida. 1, Female P. pulcherrimus feeding on her own left leg I (autophagy) after removing it (auto-amputation) when it was injured during an attack on an adult female Oxyopes. 2-3, Prolateral (2) and retrolateral (3) views of the amputated leg, showing amputation proximal to the trochanter. 4, This adult female Oxyopes was killed in the attack.

Figure 35 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 35. Adult female (1-6) and adult male (7-12) Phidippus pulcherrimus from Ocala National Forest (1978) in Marion County, Florida (locality 9).

Figure 33 in Jumping spiders of the Phidippus princeps group in the southeastern United States (Araneae: Salticidae: Dendryphantina)

Figure 33 (continued on next page). Adult female Phidippus pulcherrimus from Nassau County, Florida (locality 8).