FIGURE 7 in On the biology of Ceratopemphigus zehntneri Schouteden (Hemiptera: Aphididae), a gall-forming aphid on Ligustrum robustum subsp. walkeri (Oleaceae), in Sri Lanka

FIGURE 7. Photomicrographs of slide-mounted Ceratopemphigus zehntneri. a, apterous vivipara (scale bar 1mm); b, alate vivipara (scale bar 1mm); c, front of head of fourth instar nymph; d, front of head of apterous vivipara; e, front of head of alate vivipara; f, antenna of alate vivipara; g, last segment of rostrum of apterous vivipara; h, antenna of apterous vivipara; i, wax gland on abdominal segment 3 of apterous vivipara; j, hind tarsus of apterous vivipara; k, end of abdomen of apterous vivipara (dorsal view); l, end of abdomen of apterous vivipara (ventral view).