Table 2 Measurements, i.e. size range (mean value) of selected structures with diagnostic importance in the case of Argas vespertilionis larvae from three geographical regions

Idiosoma dorsum

Anterolateral setae (4th)

35–44 (38.3)

31–44 (37.8)

35–48 (42.3)

Central setae (3rd)

31–45 (37.8)

38–41 (39.5)

33–41 (37.6)

Posterolateral setae (4th)

51–61 (56.8)

55–65 (61.8)

56–71 (64)

Dorsal plate length

200–208 (203.3)^a

194–211 (204.8)^a

193–201 (196.3)^b

Dorsal plate width

100–111 (106.3)^a

101–113 (108.3)^a

99–105 (101)^b

Dorsal plate ratio length:width

1.85–2 (1.92)

1.87–1.92 (1.89)

1.91–1.98 (1.94)

Idiosoma venter

Sternal setae (3rd)

25–27 (25.8)

23–30 (27.8)

20–35 (25.8)

Circumanal setae (1st)

30–31 (30.3)

28–30 (29.3)

30–33 (30.8)

Circumanal setae (2nd)

35–36 (35.3)

34–35 (34.8)

33–37 (35)

Anal valve setae

32–38 (35)

32–38 (34.8)

35–39 (37)

Posteromedian setae

23–29 (25.8)

25–28 (27)

25–30 (27.5)

Capitulum

Post-hypostomal setae

10–18 (13.8)

11–14 (12.3)

10–15 (11.9)

Palpal length

165–180 (173.3)

174–176 (175)

165–176 (170.3)

Hypostome length*

125–130 (127.5)

–

124–125 (124.5)

Hypostome width (anterior)*

30–31 (30.5)

–

31–35 (33)

Hypostome width (posterior)*

36–39 (37.5)

–

39–40 (39.5)

Legs

Tarsus I length

125–135 (129)

124–139 (128.3)

130–137 (132.8)

Longest seta of tarsus I (near Haller’s organ)

36–45 (42.5)

43–47 (44.8)

38–55 (46.5)