Fig. 2

Riding positions of pea aphid nymphs on adults. The data refers to the riding of a single nymph on each adult. Dorsal facing forward: the riding position seen in Fig. 1; Dorsal facing backward / sideways: same as the previous position, with the nymph facing backwards or sideways, respectively. On ventral side: on any part of the adult’s body which is not the dorsum or the posterior end