FIGURE 2 in Antennal sensory organs of Scathophaga stercoraria (Linnaeus, 1758) (Diptera: Scathophagidae): ultramorphology and phylogenetic implications

FIGURE 2. SEM micrographs of setiferous plaque and pedicellar button on the antennal pedicel of male Scathophaga stercoraria (Linnaeus, 1758). A. Overview of pedicellar dorsal surface. B. Magnification of setiferous plaque. C. Details of antennal pedicel after removal of antennal funiculus. D. Magnification of pedicellar button. (Abbreviations: AR (annular ridge); Ch (chaetic sensillum); PB (pedicellar button); Pd (pedicel); Pl (plaque); Po (pore). Scale bars: A. 25 µm; B. 2.5 µm; C. 50 µm; D. 5 µm.)