Fig. 7
Dorsal view of second-instar nymphs. Head, thorax, and abdomen. a, d, g: R. marabaensis; b, e, h: R. prolixus; c, f, i: R. robustus; cs cephalic suture, tu tubercle, ao anteocular distance, po postocular distance, mt metanotum, ms mesonotum, pr pronotum, I–X abdominal segments