Figure 4 in Morphological studies of Cimex lectularius Linnaeus, 1758 (Hemiptera: Cimicidae)

Figure 4. Cimex lectularius ventral face, terminal segments of 5th instar nymphs. A. Female nymph. B. Male nymph. C. Genital opening in female. D. Male genitalia. E. Schematic drawing double genital opening/spermalege in adult female of Cimex lectularius. F. Optical microscopy image. V: 5th segment, VIII: 8th segment, IX: 9th segment, cd: central depression, sj: 8th and 9th segments junction in the central portion, ca: circumscribed area located in the central and posterior portion of the 8th segment, ss: sharp sensilla, bs: barbed sensilla / spiniform, op: oval pseudo-segment, go: genital opening, pg: pygophore, pa: paramere. / A. Ninfa hembra. B. Ninfa macho. C. Abertura genital en la hembra. D. Genitales masculinos. E. Dibujo esquemático de doble apertura genital/espermalejo en hembra adulta de Cimex lectularius. F. Imagen de microscopÍa óptica. V: segmento 5, VIII: segmento 8, IX: segmento 9, cd: depresión central, sj: unión de los segmentos 8 y 9 en la porción central, ca: área circunscrita ubicada en la porción central y posterior del segmento 8, ss: sensila afilada, bs: sensila barbada/espiniforme, op: pseudosegmento ovalado, go: abertura genital, pg: pigóforo, pa: parámero.