Subfamilies
Links
Jack Longino's Ants of Costa Rica
American Museum Social Insects website
William and Emma Mackay Ants of North America site
Gordon and Roy Snelling New World Army Ants
sF Myrmicinae Trachymyrmex
Trachymyrmex is a diverse group of litter-dwelling species. I currently have recorded 7 species/morphospecies, but it is likely that this number will change as the taxonomy and collecting improves. My many morphospecies likely represent known species. Jack Longino's Trachymyrmex pages are. as always, useful.
Species are sorted by the Weber's length (maximum length of the mesonotum from anterior pronotum to the posterior of propedum).Head length (HL, maximum length of head in full face view, excluding mandibles).
Kaspari MS
WWL=0.95
HL=0.75
propedum with pairs of short thin spines
postpetiole rhomboid with apex 2/3rd anterior.
Kaspari MS
WWL=1.05
HL=0.80
Smaller post-petiole than bugnioni
Forel 1912
WWL=1.05
HL=0.80
Large post petiole,
recurved hairs on most tubercles
Formerly MEK-002
Kaspari MS
WWL=1.20
HL=0.95
Post petiole trapezoidal, with anterior portion higher, and a dorso-posterior declivitous face
Forel 1912
WWL=1.25
HL=0.95
rounded occipital margins
small single propodeal spines
long spines on posterior portion of post-petiole where it joins the gaster, less spinose than Longino's
zeteki
Weber 1890
WWL=1.5
HL=1.2
Post petiole is a rounded triangle in lat view, vertical stout spines on dorsum of pronotum,in face view, deep semicircular notch between two flat declivitous occipital margins.
Formerly MEK-003
Santschi 1931
WWL=1.80
HL=1.42
Long propedal spines, post petiole rounded square,in face view, deep semicircular notch between two flat declivitous occipital margins. See Longino's JTL-005.
23Dec04
MEK-002 is now JTL-001
Last Updated: 20Dec2004