Table 1 In vitro feeding of adult Hyalomma species.
H. dromedarii | H. excavatum | H. scupense W | H. scupense S | |
|---|---|---|---|---|
Attachment rate (%) | 11/32 (34.4%) | 21/30 (70%) | 18/20 (90%) | 21/25 (84%) |
Engorgement rate (%) | 11/32 (34.4%) | 21/30 (70%) | 5/20 (25%) | 19/25 (76%) |
Mean feeding duration (days ± SD, [range]) | 9 ± 1.7 [6–12] | 7.6 ± 1.6 [6–10] | 9.2 ± 2.5 [7–12] | 11.5 ± 2.2 [7–14] |
Mean detachment weight (mg ± SD, [range]) | 276 ± 105 [67–448] | 539.8 ± 163 [200–768] | 36.8 ± 22.5 [16–63.3] | 298 ± 65 [160–378] |
Oviposition rate (%) | 4/11 (36.4%) | 12/21 (57.1%) | 0 | 12/19 (63.1%) |
Mean duration of pre-oviposition (days ± SD, [range]) | 12.6 ± 2.5 [10–15] | 58.2 ± 29 [20–96] | – | 7.2 ± 1.3 [6–10] |
Mean egg mass (mg) | 204.25 ± 150 [1–338] | 337.3 ± 101 [223–508] | – | 134.4 ± 45 [58–213.5] |
Mean reproduction efficiency index (%) (Mean ± SD [range]) | 60.7 ± 40 [0.2–83] | 51.8 ± 11.9 [35–68] | 44.3 ± 7.3 [29–59] | |
Mean number of eggs produced ± SD [range] | 4036 ± 2967 [20–6679] | 6665 ± 2009 [4406–10,038] | – | 2656 ± 902 [1146–4218] |
Mean oviposition-hatching (days ± SD, [range]) | 39.7 ± 13 [30–59] | 34.4 ± 14 [15–54] | – | 43.11 ± 5.8 [36–55] |
Female producing fertile eggs (%) | 4/3 (100%) | 11/12 (91.6%) | – | 9/12 (75%) |
Mean hatching rate (% ± SD, [range]) | 99.5 ± 0.005% [99–100%] | 84.1 ± 27% [30–100%] | – | 54.4 ± 39% [5–95%] |
Mean number of larvae produced (± SD, [range]) | 4010 ± 2949 [20–6612] | 6217.5 ± 1031 [5493–7706] | – | 1239 ± 1036 [111–3058] |