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1.
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Pronotum with
basal bead absent, only lightly impressed near the posterior angles |
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1'.
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Pronotum
with basal bead present, complete or nearly complete (occasionally
interrupted at middle) |
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2(1).
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Sternites 2-4
with posterior border deeply sinuate (Fig. 11). Pygidial disc of male
(in lateral view) strongly, acutely protuberant (Fig. 12). Elytral
epipleuron of female weakly arcuate at mexacoxae (ventral view) (Fig.
13) |
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2'.
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Sternites
2-4 with posterior border straight or weakly sinuate (Fig. 14). Pygidial
disc of male (in lateral view) not protuberant (Fig.15). Elytral epipleuron
of female straight or notched, not arcuate at metacoxa (ventral view)
(Fig. 16) |
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Figure
11 |
Figure
12 |
Figure
13 |
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Figure
14 |
Figure
15 |
Figure
16 |
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Figures
11-16. (11) Ventral view of sternites of Heterosternus.
(12) Lateral view of abdomen and pygidium of Heterosternus.
(13) Ventral view of epipleuron of female of Heterosternus.
(14) Ventral view of sternites of Mesosternus.
(15) Lateral view of abdomen and pygidium of Mesosternus.
(16) Ventral view of epipleuron of female of Homoiosternus. |
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3(2).
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Mesosternal
process with apex rounded. Sternum with dense setae. Dorsal color
yellow-brown or yellow-orange |
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3'.
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Mesosternal
process with apex acute. Sternum with scarce setae. Dorsal color dark
red or mahogany with margins of the pronotum and elytral yellow |
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4(3).
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Mentum with
anterior border sinuate (Fig.17). Sexual dimorphism not distinct.
Posterior border of metafemur (male) without medial spine |
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4'.
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.
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Mentum
with anterior border emarginate (Fig. 18). Sexual dimorphism distinct.
Posterior border of metafemur (male) with medial spine |
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Figure
17. Ventral view of mentum of Homoiosternus |
Fig.
18. Ventral view of mentum of Plesiosternus |
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5(4).
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Metatibia of
male with dense setae on the inner margin (Fig. 19). Parameres fused
at mid-base. Females with elytral epipleuron parallel throughout,
not convergent at apex (ventral view) (Fig.20). Mountains of Chiapas
(Mexico) and Guatemala |
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5'.
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Metatibia
of male with scarce setae on the inner margin (Fig. 21). Parameres
not fused at mid-base. Females with elytral epipleuron convergent
at apex (ventral view) (Fig. 22). Mountains of Durango, Nayarit, and
Jalisco (Mexico) |
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Figure
19 |
Figure
20 |
Figure
21 |
Figure
16 |
Fig.
19. Ventral view of metatibia Mesosternus
(male). Fig 20. Ventral view of epipleuron
of female of Mesosternus. Fig. 21.
Ventral view of metatibia of Homoiosternus (male).
Fig. 16. Ventral view of epipleuron of female of
Homoiosternus. |
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6(1).
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Anterior border
of clypeus sinuate (Fig. 22, Fig. 23, Fig. 24, Fig. 25) |
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6'.
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Anterior
border of clypeus rounded (Fig. 26) |
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Figure
22. Head of Elcarmeniella |
Figure
23. Head of Parisoleoides |
Figure
24. Head of Parisolea |
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Figure
25. Head of of Macropoidelimus |
Figure
26. Head of Macropoides |
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7(6).
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Dorsal color
green or olive-green without longitudinal markings. Metacoxae of male
with long, apical spine (Fig. 27) |
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Figures
27. Posterioventral view of Macropoidelimus (male) showing metacoxal
spine.
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7'.
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Dorsal
color tan, cream, or yellowish with or without longitudinal markings.
Metacoxae of male without apical spine |
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8(7).
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Metatibia of
male with long, inner spine. Body length 30-35 mm |
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8'.
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Metatibia
of male without inner spine. Body length 15-20 mm |
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9(8).
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Metatrochanter
with apex not produced beyond posterior border of femur (Fig. 28).
Metatibia of male straight (Fig. 29) |
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9'.
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Metatrochanter
with apex weakly spine-like and produced beyond posterior border of
femur (Fig. 30). Metatibia of male curved (Fig. 31) |
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Figure
28 |
Figure
29 |
Figure
30 |
Figure
31 |
Fig.
28. Metatrochanter of Parisolea. Fig.
29. Metatibia Parisolea or Parisoleoides.
Fig. 30. Metatrochanter of Elcarmeniella.
Fig. 31. Metatibia of Elcarmeniella. |
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10(9).
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Clypeus near
apex punctostriate (Fig. 23). Mesotarsomeres of male thickened and
foreshortened (Fig. 32). Modified mesostarsal claw of male wider than
modified protarsal claw; apex bulbous and widely split (Fig. 32) |
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10'.
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Clypeus
near apex punctate or rugopunctate (Fig. 24). Mesotarsomeres of male
not thickened and foreshortened (Fig. 33). Modified mesotarsal claw
of male subequal in width to modified protarsal claw; apex not bulbous
and widely split (Fig. 33) |
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Figure
23 |
Figure
32 |
Figure
24 |
Figure
33 |
Fig
23. Head of Parisoleoides. Fig.
32. Modified mesotarsal claw of male Parisoleoides.
Fig. 24. Head of Parisolea. Fig.
33. Modified mesotarsal claw of male Parisolea. |
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