Figure 7 in Taxonomy and morphological characterization of Allotettix simoni (Bolívar, 1890) and implications for the systematics of Metrodorinae (Orthoptera: Tetrigidae)

Figure 7. Details of adult antenna of Allotettix simoni (Aragua, Venezuela), from environmental scanning electron micrographs. A, dorsal view of anterior part of head; B, flagellum of the antennae, note variation on sensorial structures from base to tip; C, mound-like protuberances on antennal surface; D, placoid sensillae on terminal segments of flagellum. Abbreviation: pd, pedicel. Scale bars as indicated in figure.