Table 2 Main characteristics found in the dorsal, posterior, and ventral views of the external female genitalia of 14 Rhodnius species

R. domesticus

Curved line between 7th and 8th segments (Figure 1A)

Moon-shaped line between the 9th and 10th segments (Figure 2A)

9th segment ends slightly below the tenth segment (Figure 3A).

R. ecuadoriensis

Curved line between 7th and 8th segments (Figure 1B)

No transverse 1 + 1 slits on the line between 9th and 10th segments (Figure 2B)

Points of 8th gonocoxite projected onto the 9th segment (Figure 3B)

R. milesi

Curved line between 7th and 8th segments (Figure 1C)

Transverse 1 + 1 slits on the line between 9th and 10th segments (Figure 2C)

9th and 10th segments finish at the same plane (Figure 3C).

R. nasutus

Curved line between 7th and 8th segments (Figure 1D)

Transverse 1 + 1 slits on the line between the 9th and 10th segments (Figure 2D)

Semi-circular 10th segment (Figure 3D)

R. neivai

Curved line between 7th and 8th segments (Figure 1E)

10th segment separated by a slit in 1 + 1 lobes (Figure 2E).

7th segment line with V-shaped depression; 10th segment with slit (Figure 3E).

R. pictipes

Curved line between 7th and 8th segments (Figure 1F)

Rectangular 10th with a slit between 9th and 10th segments (Figure 2F)

9th segment with wide 1 + 1 lateral edges (Figure 3F)

R. prolixus

Curved line between 7th and 8th segments (Figure 1G)

Circular line between 9th and 10th segments (Figure 2G).

Curved 1 + 1 posterior edges of the 9th segment (Figure 3G).

R. stali

Curved line between 7th and 8th segments (Figure 1H)

Rectangular 10th segment with no slit in the middle (Figure 2H)

9th segment with narrow 1 + 1 lateral edges (Figure 3H)

R. montenegrensis

Straight line between 7th and 8th with 1 + 1 triangular points, and a trapezoidal shaped 8th segment (Figure 1I)

Short 9th segment (Figure 2I)

Circular line between 7th segment and 8th gonocoxites (Figure 3I)

R. robustus

Straight line between 7th and 8th with small triangular points and rectangular shaped 8th segment (Figure 1J).

Long 9th segment (Figure 2J)

Line between 7th segment and the 8th gonocoxites curved in middle (Figure 3J)

R. brethesi

Line between 7th and 8th segments that is slightly curved in middle (Figure 1K)

10th segment separated into 1 + 1 lobes by a cavity (Figure 2K)

8th gonocoxites are separated from 8th gonapophyses (Figure 3K)

R. colombiensis

Line between 7th and 8th segments that is slightly curved in middle (Figure 1L)

2 + 2 appendages along line between the 8th and 9th segments (Figure 2L)

8th gonocoxites are not separated from 8th gonapophyses (Figure 3L).

R. neglectus

Line between 7th and 8th segments that is slightly curved in middle (Figure 1M)

Line between 9th and 10th segments that is oval shaped in the anterior portion and which widens on the sides (Figure 2M)

Line of 7th segment is curved on the sides, but not in the middle (Figure 3M).

R. pallescens

Line between 7th and 8th segments that is slightly curved in middle (Figure 1N)

Oval shaped line between the 9th and 10th segments (Figure 2N)

Line of 7th segment has 1 + 1 curves on the sides and is elevated in the middle (Figure 3N)