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Sunday, April 24, 2011

Pheidole Sp7.

The worker (minor) of this Pheidole species at 1.2 mm makes it just 0.2 mm longer than a typical Oligomyrmex worker. The queen is very dark brown to almost black in color. The majority of Pheidole species are monogynous but there are quite a number that are polygnous. Most Pheidole species are also dimorphic but there are some exceptions.


Size comparison of Pheidole species
 Size comparison. Center is an 0.8 mm Oligomyrmex worker, top a very common small Pheidole species sp1, bottom a typical size Pheidole worker at 2.9 mm and left Pheidole sp7 worker at 1.2 mm.
The ant in the center is an Oligomyrmex minor worker, one of the tiniest of ant at 0.8 mm. Top - the most common small Pheidole species which is found all over Malaysia and S'pore is 1.8 mm. There are several other similar size species but most are larger. Bottom, this is the 'typical' size Pheidole worker 2.9 mm. It is around the size of the worker of Pheidologeton diversus. The one on the left is the currently discussed species at 1.2 mm. I had to 'freeze' these specimens in order to photograph them together. They all soon recovered and went their separate ways. But you can't do this with termites.


a 1.5 mm major worker of a small Pheidole species
 The major worker of a small Pheidole species at 1.5 mm.
A 1.2 mm minor worker of Pheidole ant
Pheidole sp a worker and major tending to some brood.

Pheidole ant

workers and major worker of a small Pheidole ant
Major and minor workers of Pheidole sp.

Minor soldiers of Pheidole sp wih larvae and pupae.

The alate gyne of Pheidole sp is very dark brown to almost black in color.


 Pheidole ant

Taxonomy:
Kingdom - Animalia
Phylum - Arthropoda
Subphylum - Hexapoda
Class - Insecta
Subclass - Pterygota
Infraclass - Neoptera
Order - Hymenoptera
Suborder - Apocrita
Infraorder - Aculeata
Superfamily - Vespoidea
Family - Formicidae -- ants, fourmis
Subfamily - Myrmicinae
Genus - Pheidole

Last Updated: 2011 04 24
First Posted: 2011 04 24
© 2011 Quah. All rights reserved.

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