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Wednesday, August 08, 2012

Polyrhachis ypsilon

Polyrhachis ypsilon is a monomorphic ant with a brilliant golden sheen and very pronounced curving hooked spines (thorns) on the petiole. It might be said that the curving hooked spine is the petiole. The other two sets of spines (thorns) are on the first (pronotum) and second (mesonotum) thoracic segments. Polyrhachis ypsilon is the most brillantly golden of the Polyrhachis genus. At over 15 millimeters the workers of Polyrhachis ypsilon is among the largest species of this genus.

As part of the Formicinae subfamily of ants, Polyrhachis ypsilon supposedly do not have a functional sting. Or so one should believe until one is actually stung by one.

Worker of the golden ant, Polyrhachis ypsilon, in a defensive stinging threat posture that is the typical threat posture of many of the Polyhachis genus.

Polyrhachis ypsilon golden ant worker with its brilliant golden sheen and huge hooked petiole spines.

Polyhachis ypsilon the golden ant.

Golden Polyrhachis ypsilon ant worker.

Worker ants of Polyrhachis ypsilon showing their brilliant golden sheen.

Workers of Polyrhachis ypsilon.

Workers of Polyhachis ypsilon ant.

Polyhachis ypsilon ant workers.
Polyhachis ypsilon workers

Polyhachis ypsilon workers.
Polyhachis ypsilon workers

Posterior view of Polyrhachis ypsilon ant showing the three sets of long curving spines (thorns).
Posterior view of Polyrhachis ypsilon ant

Lateral view of Polyrhachis ypsilon worker.
Lateral view of Polyrhachis ypsilon worker

Lateral view of the Polyrhachis ypsilon ant.
Lateral view of the Polyrhachis ypsilon ant

Top view of Polyrhachis ypsilon worker.

The metallic golden sheen completely covered this species even to the tip of the antennae and the hooks (tarsal claws) at the end of the limbs.

Polyrhachis ypsilon the golden ant.

See also:
Polyrhachis genus. 84544
Polyrhachis abdominalis
Polyrhachis armata
Polyrhachis australis 252372
Polyrhachis dives 84555
Polyrhachis furcata 111117

Top Node: cellular organisms 131567
SuperKingdom: Eukaryota 2759
No Rank: Opisthokonta 33154
Kingdom: Metazoa 33208
No Rank: Eumetazoa 6072
No Rank: Bilateria 33213
No Rank: Coelomata 33316
No Rank: Protostomia 33317
No Rank: Panarthropoda 88770
Phylum: Arthropoda 6656
No Rank: Mandibulata 197563
No Rank: Pancrustacea 197562
Superclass: Hexapoda 6960
Class: Insecta 50557
No Rank: Dicondylia 85512
No Rank: Pterygota 7496
Subclass: Neoptera 33340
Infraclass: Endopterygota 33392
Order: Hymenoptera 7399
No Rank: Apocrita 7400
Suborder: Aculeata 7434
Superfamily: Vespoidea 34725
Family: Formicidae 36668
Subfamily: Formicinae 7479
Tribe: Camponotini 72773
Genus:- Polyrhachis 84544
Species: ypsilon 84558

Last Updated: 2012 08 08
First Updated: 2012 08 08
© 2011 - 2012 Quah. All rights reserved.

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