Dendrelaphis caudolineatus, Gray, 1834

Rooijen, Johan Van & Vogel, Gernot, 2012, A revision of the taxonomy of Dendrelaphis caudolineatus (Gray, 1834) (Serpentes: Colubridae), Zootaxa 3272, pp. 1-25 : 9-10

publication ID	https://doi.org/ 10.11646/zootaxa.3272.1.1
DOI	https://doi.org/10.5281/zenodo.6473709
persistent identifier	https://treatment.plazi.org/id/03957953-1E16-8F4F-2E86-F9B4DFF8FD87
treatment provided by	Plazi
scientific name	Dendrelaphis caudolineatus
status

Treatment

Key to the species of the Dendrelaphis caudolineatus group

- A prominent black postocular stripe that extends onto the neck ( Figs. 9 View FIGURE 9 , 12–15 View FIGURE 12 View FIGURE 13 View FIGURE 14 View FIGURE 15 ).................................... 1

- A black postocular stripe is absent or rudimentary ( Figs. 5–8 View FIGURE 5 View FIGURE 6 View FIGURE 7 View FIGURE 8 , 10–11 View FIGURE 10 View FIGURE 11 )............................................ 3

1 black longitudinal stripes along the entire length of the body, 8 at midbody, pale ventrolateral line present ( Fig. 9 View FIGURE 9 ); 175–181 ventrals (males), 180–189 ventrals (females); 101–116 subcaudals; relative taillength 0.250–0.285................................................................................ D. levitoni sp. nov. (Palawan, Balabac, Candaraman)

- fewer than 8 black longitudinal stripes at midbody........................................................... 2

2 162–170 ventrals (males), 161–172 [179 1] ventrals (females); 94–108 subcaudals; relative tail-length 0.268–0.298 (males), 0.252–0.290 (females)....................................................................................... D. philippinensis (Basilan, Mindanao, Samar, Leyte, Bohol, Cebu, South Luzon (Albay), Polillo, Kalotkot, Catanduanes)

- 170–175 ventrals (males), 174–181 ventrals (females); 94–102 subcaudals; relative tail-length 0.245–0.260 (males), 0.255–0.265 (females)............................................................... D. terrificus (Sulawesi)

3 no black longitudinal stripes ( Figs. 6–8 View FIGURE 6 View FIGURE 7 View FIGURE 8 , 11 View FIGURE 11 )............................................................... 4.

- black longitudinal stripes present ( Figs. 5 View FIGURE 5 , 10 View FIGURE 10 ).............................................................. 6.

4 a yellow stripe on the neck in live specimens; 173–181 ventrals (females); 104–110 subcaudals; relative tail-length 0.262–0.270................................................................ D. flavescens (Sulu archipelago)

- no yellow stripe...................................................................................... 5.

5 180–197 ventrals (males), 183–195 ventrals (females); 114–125 subcaudals, relative tail-length 0.278–0.307................................................................................................ D. modestus (Malukus)

- 173–175 ventrals (males), 175–182 ventrals (females); 97–114 subcaudals; relative tail-length 0.255–0.285.......................................................................... D. fuliginosus (Negros, Panay, Mindoro, Masbate)

6 black longitudinal stripes and pale ventrolateral line present along the entire length of the body ( Fig. 5 View FIGURE 5 ); 171–180 ventrals (males), 171–185 ventrals (females); 101–113 subcaudals; relative tail-length 0.250–0.280.... D. caudolineatus (Sundaland)

- black longitudinal stripes and pale ventrolateral line present in the posterior half of the body ( Fig. 10 View FIGURE 10 ); 174–182 ventrals (males), 178–187 ventrals (females); 100–117 subcaudals; relative tail-length 0.252–0.291.......... D. luzonensis (Luzon)

1 the value of 179 represents an extreme outlier situated 3.5 standard deviations from the mean (see also Fig. 4 View FIGURE 4 ).