Table 4.
Changes of body weight of larva, nymph, and adult D. nuttalli before and after feeding.
Developmental stage | Number of ticks | Unfed (mg) (Mean ±SD) | Engorged (mg) (Mean ±SD) | Weight ratio (engorge/unfed) |
---|---|---|---|---|
Original | ||||
Adult male | 25 | 7.48 ± 0.37 | 8.12 ± 0.41 | 1.09 |
Adult female | 25 | 8.80 ± 0.62 | 656.00 ± 29.77 | 74.50 |
First generation under laboratory conditions | ||||
Larva | 100 | 0.05 ± 0.00 | 0.55 ± 0.07 | 11.00 |
Nymph | 100 | 0.38 ± 0.05 | 24.83 ± 2.39 | 65.34 |
Adult male | 25 | 9.48 ± 0.45 | 10.05 ± 0.66 | 1.06 |
Adult female | 25 | 8.68 ± 0.48 | 283.28 ± 89.79 | 31.97 |
SD, standard deviation.