Philodromus histrio (LATREILLE, 1819)

Szita, É., Logunov, D. & O, P., 2008, A Review Of The Histrio Group Of The Spider Genus Philodromus Walckenaer, 1826 (Araneae, Philodromidae) Of The Eastern Palaearctic Region, Acta Zoologica Academiae Scientiarum Hungaricae 54 (1), pp. 23-73 : 27-28

KEY TO SPECIES OF THE PHILODROMUS HISTRIO GROUP

Males

1 The VTA poorly developed or absent 2

– The VTA present 3

2 The embolus poorly marked (Figs 36–38) xinjiangensis

– The embolus well-marked, flat and bent at its tip (Figs 33–35) timidus

3 The VTA rounded, with ragged membranous surface 4

– The VTA otherwise 5

4 The PTA clawlike; the embolus comparatively thin (Figs 27–29) tuvinensis

– The PTA flat, with screwed tip; the embolus comparatively thick (Figs 24–26) alascensis

5 The VTA shifted retrolaterally 6

– The VTA in ventro-medial position 11

6 The RTA thick 7

– The RTA thin 8

7 The RTA as in Fig. 31; the PTA clawlike (Figs 30–32) mysticus

– The RTA as in Fig. 14; the PTA proboscis shaped (Figs 13–15) lanchowensis

8 The embolus needle-shaped, hidden behind the tegulum (Figs 53, 55); the PTA swollen (Figs 53, 54) triangulatus

– The embolus and PTA otherwise 9 9 The PTA is projected over the cymbial edge, its teeth directed laterad 10

– The PTA is not projected over the cymbial edge, its tip directed mediad (Figs 10–12) xerophilus

10 The PTA with two teeth (Figs 4–6) histrio

– The PTA with one tooth (Figs 7–9) ablegminus

11 The embolus robust, curving retrolaterally (Figs 56–58) pictus

– The embolus otherwise 12

12 The VTA narrow; the embolus straight (Figs 50–52) angulobulbis

– The VTA wide; the embolus saddle-shaped (Figs 47–49) fallax

Females

1 The IO in medial position 2

– The IO in anterior position 8