| Workers |
| 1 |
Petiole
two-segmented (fig. 8) |
2 |
| -- |
Petiole
one-segmented (fig. 9) |
Cheliomyrmex |
| 2 (1) |
Tarsal
claws conspicuously dentate (Fig.10) |
3 |
| -- |
Tarsal
claws simple, edentate (fig.11) |
Neivamyrmex |
| 3
(2) |
Flagellum
slender, apical width of scape less than one-third its length
(Plate 19) |
4 |
| -- |
Flagellum
robust, apical width of scape more than one-third its length
(Plate
53, fig.2) |
Nomamyrmex |
| 4
(3) |
Propodeum
with teeth or lamellae (fig 14); soldier subcaste with falcate
mandibles (Plate
19, fig.15
-21, 23) (except E. rapax) (Plate
19, fig. 22 ) |
Eciton
|
--
|
Propodeum
without teeth or lamellae (fig. 24); soldier subcaste without
falcate mandibles (fig. 25-) |
Labidus |
|
Males
|
| 1 |
Flagellum
much longer than MHW |
2 |
| -- |
Flagellum
only slightly longer than MHW |
Cheliomyrmex |
| 2
(1) |
Legs
long, apex of metafemur reaching or surpassing posterior margin
of second gastral segment |
3 |
| -- |
Legs
short, apex of metafemur not reaching posterior margin of second
gastral segment |
Neivamyrmex |
| 3
(2) |
Apex
of sagitta with setae (fig. 26) |
4 |
| -- |
Apex
of sagitta without setae (fig. 27) |
Nomamyrmex |
| 4
(3) |
Gastral
terga with lateral clusters of long setae |
Eciton |
| -- |
Gastral
terga without lateral setae clusters |
Labidus |
