Pristomyrmex trachylissus looks very similar to Pristomyrmex bicolor with some notable differences the most obvious of which is the pronotal spines of P. bicolor are forward and outward pointing while in this species they are slightly backward pointing. This species is dimorphic.
A previously posted species which I had listed as Pristomyrmex trachylissus is actually Pristomyrmex bicolor.
The pronotal spines point outward
and slightly towards the posterior.
The pronotal spines point outward
and slightly towards the posterior.
Some major workers and minor workers
Two major workers and minor workers
A major worker and a minor worker
A major worker.
Taxonomy:
Genus: Pristomyrmex 255791
No rank: cellular organisms 131567
Superkingdom (Domain): Eukaryota 2759
No rank: Opisthokonta 33154
Kingdom: Metazoa 33208
No rank: Eumetazoa 6072
No rank (Subkingdom): Bilateria 33213
No rank (Branch): Protostomia 33317
No rank (Infrakingdom): Ecdysozoa
No rank (Superphylum): Panarthropoda 88770
Phylum: Arthropoda 6656
No rank (Subphylum): Mandibulata 197563
No rank: Pancrustacea 197562
Subphylum (Epiclass): Hexapoda 6960
Class: Insecta 50557
No rank (Subclass): Dicondylia 85512
Subclass (Infraclass): Pterygota 7496
Infraclass: Neoptera 33340
Cohort: Holometabola
Order: Hymenoptera 7399
Suborder Apocrita 7400
Infraorder: Aculeata 7434
Superfamily: Formicoidea
Family: Formicidae 36668
Subfamily: Myrmicinae 34695
Tribe: Myrmecinini 144010
Species: trachylissus
Updated: 2022 02 22
First Published: 2022 02 22
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