FIGURE 3 in A first record of Cretaceous aphids (Hemiptera, Sternorrhyncha, Aphidomorpha) in Australia, from the Lower Cretaceous Koonwarra Fossil Bed, Victoria

FIGURE 3. Koonwarraphis rotundafrons gen. & sp. nov., Lower Cretaceous Koonwarra Fossil Bed, holotype specimen AM F72793. A. Aphid thorax and head; B. same area as C, imaged under SEM, with thoracic sclerites labelled; C. close-up of antenna, showing segments and rhinaria; D. SEM image of antennal segments III and IV, showing rhinaria; E. distal abdomen; F. distal tip of rostrum. Abbreviations: fr = frons; ey = eye, oc = ocelli, an = antennae flagellum, prn = pronotum, prsc = praescutum, sct2 = mesoscutum, scl2 = mesoscutellum, pra = praealare, pn2 = mesopostnotum, m = membrane, rh = secondary rhinaria, hf = hind leg femur, htb = hind leg tibia, ap = anal plates, cd = cauda?, ro = distal rostrum, hc = hind leg coxa, htr = hind leg trochanter. Scale bars: 0.5 mm for parts A and E, and 0.25 mm for parts C and F.