Morphological studies were conducted on male and female genitalia of Leptocoris augur (Fabricius, 1781) by using light microscopy as well as scanning electron microscopy (SEM) studies. Detailed morphological descriptions of the genitalia of L. augur (male and female) were studied for the first time. Five main types of sensilla, i.e., sensilla trichoidea, sensilla basiconica, microtrichia, sensilla coeloconica, and setae, were observed, and their possible role with respect to taxonomy, host plant selection, and copulatory behavior have been discussed.
Key words: Keywords: Host plant, Leptocoris, External Genitalia, SEM, Sensilla
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