Difference between revisions of "Key to Odontomachus workers of Sumatra"

AntWiki: The Ants --- Online
Jump to navigation Jump to search
(2)
(4)
 
(One intermediate revision by the same user not shown)
Line 32: Line 32:
 
return to [[#2 |couplet #2]]
 
return to [[#2 |couplet #2]]
 
*Size large (HL 3.13–3.55 mm; WL 4.15–4.65 mm); median part of vertex immediately along median furrow transversely striate; masticatory margin of mandible with more than 10 denticles; pronotal disc densely and transversely striate . . . . . ''[[Odontomachus minangkabau]]''
 
*Size large (HL 3.13–3.55 mm; WL 4.15–4.65 mm); median part of vertex immediately along median furrow transversely striate; masticatory margin of mandible with more than 10 denticles; pronotal disc densely and transversely striate . . . . . ''[[Odontomachus minangkabau]]''
 +
{|
 +
|[[File:Satria et al. 2015 Odontomachus minangkabau worker.jpg|thumb|250px|Satria et al. 2015. ''[[Odontomachus minangkabau]]'']]
 +
|}
  
*Size small (HL 2.56–3.03 mm; WL 3.35–4.00 mm); median part of vertex immediately along median furrow smooth and shiny or sometimes with rough texture, but not transversely striate; masticatory margin of mandible with 10 or fewer denticles; pronotal disc usually concentrically striate (but rarely transversely striate) . . . . . ''[[Odontomachus rixosus]]''  
+
*Size small (HL 2.56–3.03 mm; WL 3.35–4.00 mm); median part of vertex immediately along median furrow smooth and shiny or sometimes with rough texture, but not transversely striate; masticatory margin of mandible with 10 or fewer denticles; pronotal disc usually concentrically striate (but rarely transversely striate) . . . . . ''[[Odontomachus rixosus]]''
 +
{|
 +
|[[File:Satria et al. 2015 Odontomachus rixosus worker.jpg|thumb|250px|Satria et al. 2015. ''[[Odontomachus rixosus]]'']]
 +
|}
  
 
==4==
 
==4==
 
return to [[#2 |couplet #2]]
 
return to [[#2 |couplet #2]]
 
*Masticatory margin of mandible with very small denticles or sometimes without denticles (only preapical angle is recognizable); propodeal dorsum anteriorly with a very weak median longitudinal depression; 1st gastral tergum with short erect setae; subpetiolar process in lateral view lobate and directed ventrally (Fig. 1A) . . . . . ''[[Odontomachus latidens]]''  
 
*Masticatory margin of mandible with very small denticles or sometimes without denticles (only preapical angle is recognizable); propodeal dorsum anteriorly with a very weak median longitudinal depression; 1st gastral tergum with short erect setae; subpetiolar process in lateral view lobate and directed ventrally (Fig. 1A) . . . . . ''[[Odontomachus latidens]]''  
 +
{|
 +
|[[File:Satria et al. 2015 F1.jpg|thumb|300px|Satria et al. 2015. Figure 1.]]
 +
|[[File:Satria et al. 2015 Odontomachus latidens worker.jpg|thumb|300px|Satria et al. 2015. ''[[Odontomachus latidens]]'']]
 +
|}
  
 
*Masticatory margin of mandible with 6–9 distinct denticles which are reduced in size toward base of mandible; propodeal dorsum anteriorly without a median longitudinal depression; 1st gastral tergum without erect setae; subpetiolar process in lateral view triangular and directed posteriorly (Fig. 1B) . . . . . ''[[Odontomachus procerus]]''  
 
*Masticatory margin of mandible with 6–9 distinct denticles which are reduced in size toward base of mandible; propodeal dorsum anteriorly without a median longitudinal depression; 1st gastral tergum without erect setae; subpetiolar process in lateral view triangular and directed posteriorly (Fig. 1B) . . . . . ''[[Odontomachus procerus]]''  
 +
{|
 +
|[[File:Satria et al. 2015 Odontomachus procerus worker.jpg|thumb|300px|Satria et al. 2015. ''[[Odontomachus procerus]]'' ]]
 +
|}
  
 
[[Category:Identification key|Odontomachus]][[Category:Odontomachus]]
 
[[Category:Identification key|Odontomachus]][[Category:Odontomachus]]

Latest revision as of 13:46, 24 May 2016

This worker key is based on: Satria, R., Kurushima, H., Herwina, H., Yamane, S. and Eguchi, K. 2015. The trap-jaw ant genus Odontomachus Latreille from Sumatra, with a new species description. Zootaxa. 4048:1-36.

You may also be interested in

Odontomachus

1

  • Palp formula 4, 3; pronotal disc with long erect setae; mesopleuron with anteroventral ridge (arrow in Fig. 2C) . . . . . Odontomachus simillimus
Satria et al. 2015. Figure 2. Odontomachus simillimus


  • Palp formula 4, 4; pronotal disc without long erect setae; mesopleuron without anteroventral ridge (arrow in Fig. 5C) . . . . . 2
Satria et al. 2015. Figure 5.

2

return to couplet #1

  • Subapical tooth of mandible 2.5 times as long as broad (arrow in Fig. 11A) . . . . . 3
Satria et al. 2015. Figure 11.
  • Subapical tooth of mandible as long as broad or shorter than broad (arrow in Fig. 5A) . . . . . 4
Satria et al. 2015. Figure 5.

3

return to couplet #2

  • Size large (HL 3.13–3.55 mm; WL 4.15–4.65 mm); median part of vertex immediately along median furrow transversely striate; masticatory margin of mandible with more than 10 denticles; pronotal disc densely and transversely striate . . . . . Odontomachus minangkabau
Satria et al. 2015. Odontomachus minangkabau
  • Size small (HL 2.56–3.03 mm; WL 3.35–4.00 mm); median part of vertex immediately along median furrow smooth and shiny or sometimes with rough texture, but not transversely striate; masticatory margin of mandible with 10 or fewer denticles; pronotal disc usually concentrically striate (but rarely transversely striate) . . . . . Odontomachus rixosus
Satria et al. 2015. Odontomachus rixosus

4

return to couplet #2

  • Masticatory margin of mandible with very small denticles or sometimes without denticles (only preapical angle is recognizable); propodeal dorsum anteriorly with a very weak median longitudinal depression; 1st gastral tergum with short erect setae; subpetiolar process in lateral view lobate and directed ventrally (Fig. 1A) . . . . . Odontomachus latidens
Satria et al. 2015. Figure 1.
Satria et al. 2015. Odontomachus latidens
  • Masticatory margin of mandible with 6–9 distinct denticles which are reduced in size toward base of mandible; propodeal dorsum anteriorly without a median longitudinal depression; 1st gastral tergum without erect setae; subpetiolar process in lateral view triangular and directed posteriorly (Fig. 1B) . . . . . Odontomachus procerus
Satria et al. 2015. Odontomachus procerus