Defensive Nymphs of the Woolly Aphid Thoracaphis kashifolia (Hemiptera) on the Oak Quercus glauca

Figure 3

First-instar nymphs of the alate generation of Thoracaphis kashifolia: (a) typical defensive nymph with enlarged fore- and mid-legs (Tama, Tokyo; 29 September 2015); (b) first-instar nymph produced early in autumn (Tama, Tokyo; 4 September 2015). Scale bars: 100 μm.

(a)

(b)