Dimorphic Sessile Apterae of the Aphid Neothoracaphis glaucae (Hemiptera) on the Evergreen Oak Quercus glauca

Figure 9

Nymphs of Neothoracaphis yanonis: (a) first-instar nymph to be aptera (collected from Quercus serrata on 8 October 2014); (b) first-instar nymph to be alate sexupara (collected from Q. serrata on 8 October 2014); (c) first-instar male produced by the alate sexupara (collected from Q. serrata on 13 November 2013 and fixed on 18 November 2013); (d) first-instar female (collected from Distylium racemosum on 23 November 2013). All aphids were collected in Tama, Tokyo, Japan. Scale bars: 100 μm.

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