SEM of the labrum of Eriosoma lanigerum. A. Anterior view of the anteclypeus and labrum; B. Posterior view of labrum and epipharynx; C. Lateral view of the labrum; D. Enlarged view of sensilla basiconica I (S.b.I). Lm: Labrum; Ex: epipharynx; Sf: stylet fascicle. Bars: A = 30 μm; B and C = 15 μm; D = 3 μm.