Taxonomic revision of the genus Probolomyrmex Mayr, 1901 (Hymenoptera: Formicidae: Proceratiinae) for the Neotropical Region
Author
Oliveira, Aline M.
Author
Feitosa, Rodrigo M.
text
Zootaxa
2019
2019-06-07
4614
1
61
94
journal article
26557
10.11646/zootaxa.4614.1.3
321b18d2-4300-4d8b-8bcc-877150f92275
1175-5326
3241099
E9C39B4E-D897-428C-B290-95EA40826D93
Key to the identification of Neotropical workers and queens of
Probolomyrmex
1 Prora absent (
Fig. 1A
)................................................................................. 2 - Prora present (
Fig. 1B
- pr).............................................................................. 3
FIGURE 1.
Lateral view of gaster. A: prora absent. B: prora present. pr = prora.
2 Ventral profile of the petiole with a subrectangular anterior projection.
Guatemala
,
Mexico
, and
Panama
(
Fig. 2A
- sp)................................................................................................
P. petiolatus
- Ventral profile of the petiole without a subrectangular anterior projection.
Argentina
and
Brazil
(GO, MS, MT, RO, and TO) (
Fig. 2B
- sp).................................................................................
P. brujitae
FIGURE 2.
Lateral view of petiole. A: subpetiolar process subrectangular. B: subpetiolar process not subrectangular. sp = subpetiolar process.
3 In lateral view, dorsal and posterior margins of propodeum meeting in a rounded angle, without any acute projection.
Brazil
(PA) (
Fig. 3A
- pd).....................................................................
P. lamellatus
sp. n.
- In lateral view, dorsal and posterior margins of propodeum meeting in an acute angle, forming distinct teeth. (
Fig. 3B
- pd)..................................................................................................... 4
4 In lateral view petiole higher than long (
Fig. 4A
). In dorsal view petiolar teeth well developed.
Brazil
(PA, RO and TO) (
Fig. 17C
)................................................................................
P. dentinodis
sp. n.
FIGURE 3.
Lateral view of propodeum. A: propodeum margins rounded. B: propodeum margins angled. pd = propodeum.
- In lateral view petiole longer than high (
Fig. 4B
). In dorsal view petiolar teeth absent or weakly developed (
Fig. 21C
)...… 5
5 In lateral view, the highest point of the dorsal profile of the first gastral tergite is at the posterior limit of the tergite.
Nicaragua
(
Fig. 5A
).................................................................................
P. cegua
sp. n.
FIGURE 4.
Lateral view of petiole. A: petiole higher than long. B: periole longer than high.
- In lateral view, the highest point of the dorsal profile of the first gastral tergite is anterior to the posterior limit of the tergite. (
Fig. 5B
- ppd)....................................................................................... 6