Table 2. Two-way analyses of variance (ANOVAs) with magnetic field (MF) as main factor and sex/wing form as sub-factor on the duration of the 1st–5th instars and total nymphal periods (F/P).
| Nymph duration | Male & female | Female | ||||
|---|---|---|---|---|---|---|
| MF a | Sex | MF a × Sex | MF a | Wing form b | MF × Wing form b | |
| 1st instar | 17.85 / <0.001 *** | 0.65 / 0.42 | 0.20 / 0.66 | 4.32 / 0.04 * | 1.62 / 0.21 | 6.00 / 0.02 * |
| 2nd instar | 2.00 / 0.16 | 0.16 / 0.69 | 0.21 / 0.65 | 1.11 / 0.30 | 0.07 / 0.80 | 0.11 / 0.74 |
| 3rd instar | 3.30 / 0.07 | 3.34 / 0.07 | 0.22 / 0.64 | 1.36 / 0.25 | 0.17 / 0.69 | 8.15 / 0.006 ** |
| 4th instar | 0.14 / 0.71 | 5.08 / 0.03 * | 1.01 / 0.32 | 0.69 / 0.41 | 2.54 / 0.12 | 0.12 / 0.73 |
| 5th instar | 16.98 / <0.001 *** | 0.64 / 0.43 | 0.23 / 0.64 | 22.15 / <0.001 *** | 9.5 / 0.003 ** | 0.05 / 0.84 |
| Nymph | 9.77 / 0.002 ** | 3.58 / 0.06 | 0.27 / 0.60 | 9.73 / 0.003 ** | 0.04 / 0.89 | 0.15 / 0.70 |
a MF—the near-zero magnetic field (NZMF) vs. the geomagnetic field (GMF).
b Wing form—macropterous vs. brachypterous female.
* P<0.05.
** P<0.01.
*** P<0.001.