Table 2. Different characteristics of oviparous female, male, and the first instar virginoparae of Eriosoma lanigerum.
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| Characteristics | Oviparous female | Male | Virginoparae (1st instar) |
| Color | reddish brown | dark green | brown with white wax |
| Body length (mm) Mean ± SE | 0.85 ± 0.01 (n = 30) | 0.55 ± 0.01 (n = 30) | 0.64 ± 0.01 (n = 30) |
| Body width (mm) Mean ± SE | 0.45 ± 0.01 (n = 30) | 0.27 ± 0.00 (n = 30) | 0.25 ± 0.00 (n = 30) |
| Mouth parts | not developed for feeding | not developed for feeding | well developed mouth parts, proboscis longer than the body |
| Antennae | 5 segments, ca. 1/5 of the body size | 5 segments, ca. 1/4 of the body size | 5 segments, ca. 1/3 of the body size |
| Leg color | lighter than the body color | lighter than the body color | darker than the body color |
| Feeding | no feeding during the life time | no feeding during the life time | start feeding soon after emergence |
| Mobility | not very mobile, mostly stay at the same place | mobile, faster than oviparous females | fast moving |