| 1 |
Male cerci with ventral branch longer than dorsal branch as in Fig.
2 A – F
; sheath of aedeagus produced as thickened fleshy lobes dorsal to the valves as in Figs
4 A – F
,
5 A – F
|
A. aristus
group 3
|
| – |
Male cerci with ventral branch equal, subequal, or shorter than the dorsal branch as in Fig.
2 G – T
; sheath of aedeagus not produced as thickened fleshy lobes dorsal to the valves (Figs
4 G – R
,
5 G – R
)
|
8
|
| 2 |
Occurring north of the Rio Grande River in the United States |
3
|
| – |
Occurring south of the Rio Grande River in Mexico |
5
|
| 3 |
Valves of aedeagus shorter than the sheath in lateral view; and with broadly rounded apices (Figs
4 B
,
5 B
); found in the South Texas Plains (Fig.
25 A
)
|
A. silverheelsi
sp. nov.
|
| – |
Valves of aedeagus longer, extending well beyond the sheath in lateral view (Fig.
4 A
)
|
4
|
| 4 |
In caudal view, the valves of the aedeagus are relatively narrower and forming parallel dorsal and ventral arches that are narrowly rounded at their apices as in Fig.
4 B
; in lateral view; the distal edge of the valves are broadly rounded as in Fig.
5 B
; found across central west Texas to southern New Mexico (Fig.
25 A
)
|
A. aristus
Hebard
|
| – |
In caudal view, the valves of the aedeagus are relatively more wider and form distally diverging arches that are more broadly rounded at their apices as in Fig.
4 E
; In lateral view, the distal edge of the valves forming an acute point dorsally, but with a broadly rounded ventral edge (Fig.
5 E
); found in extreme southern Texas in the vicinity of Jim Hogg County (Fig.
25 A
)
|
A. texmex
sp. nov.
(in part)
|
| 5 |
Male cerci with branches widely separated and with the ventral branch much longer than the dorsal branch as in Fig.
2 C, D
; valves of the aedeagus with their dorsal margin somewhat bilobed and the ventral margin broadly rounded and with their distal apices diverging laterally as in Figs
4 C
,
5 C
; found in west-central Nuevo Leòn, Mexico (Fig.
25 A, C
)
|
A. xiphophorus
sp. nov.
|
| – |
Male cerci with branches not widely separated and with the ventral branch only slightly longer than the dorsal branch as in Fig.
2 E, F
; valves of the aedeagus with their dorsal margin not bilobed
|
6
|
| 6 |
Valves of the aedeagus with their lateral margins greatly expanded centrally and with the dorsal apices forming acute parallel points and the ventral apices forming rounded parallel arches in caudal view as in Fig.
4 D
; in lateral view the valves are directed apically (Fig.
5 D
); found in the vicinity of Galeana, MX (Fig.
25 A, C
)
|
A. glochinos
sp. nov.
|
| – |
Valves of the aedeagus with their apices diverging distally in caudal view as in Fig.
4 D, E
; in lateral view the valves are directed more caudally as in Fig.
5 D – F
|
7
|
| 7 |
In caudal view, the valves of the aedeagus relatively narrower (Fig.
4 E
); in lateral view, the ventral edge of the valves are broadly rounded at their apices (Fig.
5 E
); found in the vicinity northern Nuevo León, Mexico (Fig.
25 A
)
|
A. texmex
sp. nov.
(in part)
|
| – |
In caudal view, the valves of the aedeagus are very broad (Fig.
4 F
); and are more broadly rounded at their apices (Fig.
4 F
) and in lateral view with their distal edge forming an acute point dorsally and the ventral edge truncated (Fig.
5 F
); found in the vicinity of Galeana, Mexico (Figs
25 A
,
26 B
)
|
A. cumbres
sp. nov.
|
| 8 |
In lateral view, the valves of the aedeagus are lobate as in Fig.
5 G – J
|
A. crypsidomus
group 9
|
| – |
In lateral view, the valves of the aedeagus are falcate or quadrate laterally as in Fig.
5 K – R
|
13
|
| 9 |
In lateral view, the distal lobes of the aedeagus valves are more widely incised and the basal lobes are small or absent as in as in Fig.
5 G, H
, and in caudal view the dorsal valve is deeply undulate as in Fig.
4 G, H
|
11
|
| 10 |
In lateral view, the apical lobes of the aedeagus valves are narrowly, but deeply incised resulting in the basal lobe being more pronounced and obvious as in Fig.
5 I, J
|
12
|
| 11 |
In lateral view, basal lobe of aedeagus valves extending much beyond the sheath (Fig.
4 G
); dorsal lobes projected laterally in caudal view (Fig.
5 G
); Marathon, Texas (Figs
25
,
26 A
)
|
A. crypsidomus
Hebard
|
| – |
In lateral view, basal lobe of aedeagus valves not extending much beyond the sheath (Fig.
5 H
); dorsal lobe almost vertical or curving medially (Fig.
5 H
); Big Bend region of Texas (Figs
25
,
26 A
)
|
A. burtoni
sp. nov.
|
| 12 |
In lateral view, the valves of the aedeagus are shallowly incised with a broad distal lobe that is truncated apically, and the basal lobe is shorter (Fig.
5 I
); in caudal view the valves of the aedeagus are concave as in Fig.
4 I
; Found in the vicinity of Sanderson, Texas (Figs
25
,
26 A
)
|
A. moorei
sp. nov.
|
| – |
In lateral view, the valves of the aedeagus are deeply incised with a narrower and slightly acute distal lobe, and a longer basal lobe as in Fig.
5 J
; in caudal view the valves of the aedeagus are convex as in Fig.
4 J
; found in the Chianti Mountains of southern Texas (Figs
25
,
26 A
)
|
A. chiantiensis
sp. nov.
|
| 13 |
Occurring north of the Rio Grande River in the United States |
14
|
| – |
Occurring south of the Rio Grande River in Mexico |
17
|
| 14 |
In lateral view, the apices of the valves of the aedeagus point caudally as in Fig.
5 M
, found in the vicinity of western Brewster County, Texas (Figs
25
,
26 A
)
|
A. turneri
sp. nov.
|
| – |
In lateral view, the apices of the valves of the aedeagus curve apically as is Fig.
5 L – O
|
15
|
| 15 |
In lateral view, the apical edge of the valves of the aedeagus are thicker finger-like projections as in Fig.
5 L
; found in the vicinity of the Quitman Mountains in Hudspeth County, Texas (Figs
25
,
26 A
)
|
A. quitmanensis
sp. nov.
|
| – |
In lateral view, the apical edge of the valves of the aedeagus are thin blade-like projections as in Fig.
5 M, N
)
|
16
|
| 16 |
In lateral view, the valves of aedeagus thinly falcate, long and sword-like as in Figs
5 M
, and in caudal view the lateral margins extend well beyond the rest of the valves and their apical margins are slightly curved distally as in 4 M; found in the southern Big Bend region of Texas (Figs
25
,
26 A, B
)
|
A. dorni
sp. nov.
|
| – |
In lateral view, the valves of aedeagus broad as in Fig.
5 N
, and in caudal view the lateral margins do not extend well beyond the rest of the valves and their apical margins are curved medially as in Fig.
4 N
; endemic to the Chisos Mountains of the Big Bend region of Texas (Figs
25
,
26 A
)
|
A. chisosensis
sp. nov.
|
| 17 |
Male cerci with the ventral branch reduced and rounded as in Fig.
2 O
; in lateral view, the sheath of the aedeagus is well developed and expanded laterally around the valves; in lateral view, the aedeagus valves are wide with their apices broadly curved (Fig.
5 P
); in caudal view the valves or greatly narrowed in their apical third as in Fig.
4 P
; found in northern Coahuila, Mexico (Fig.
25
)
|
A. vaquero
sp. nov.
|
| – |
Male cerci longer with both dorsal and ventral branches well produced |
18
|
| 18 |
Male cerci short and not curved medially as in Fig.
2 P
; in lateral view, the valves of the aedeagus are acutely pointed apically and are greatly widened in their lower half; in caudal view the apical margins of the valves are slightly curved distally as in Fig.
4 O
; found southern Coahuila, Mexico in the vicinity of the Sierra de la Gloria (Fig.
25
)
|
A. forcipatus
sp. nov.
|
| – |
Male cerci longer (Fig.
2 Q – T
); dorsal and lower branches subequal in length
|
19
|
| 19 |
Male cercus gently curved medially (Fig.
2 Q, R
); in lateral view the valves of the aedeagus are narrowly quadrate with the distal apices truncate apically as in Figs
4 Q
,
5 Q
; in caudal view the valves are also quadrate with the apical margin truncate as in Figs
4 R
,
5 R
; found in the vicinity of Saltillo, Mexico (Figs
25
,
26 B
)
|
A. idic
sp. nov.
|
| – |
Male cercus strongly curved medially (Fig.
2 S, T
); in lateral view, the valves of the aedeagus are broad and arching with the distal apices rounded (Fig.
5 R
); in caudal view, valves acuminate; Arteaga, Mexico (Figs
25
,
26 B
)
|
A. kahloae
sp. nov.
|