The Ants of Africa
Genus Dorylus - Subgenus Anomma
Dorylus (Anomma) arcens Westwood - polymorphism

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{Dorylus arcens polymorphism}Polymorphism

The various morphs are shown in detail below. 

{Dorylus arcens major} Major

{Dorylus arcens major} Major from Liberia (Yekepa PF 10)

{Dorylus arcens major} The photomontage is of the Santschi type major worker described as "nigricans" collated from http://www.antweb.org/specimen.do?name=casent0911305.

{Dorylus arcens media 1} Media 1

{Dorylus arcens media 2} Media 2

{Dorylus arcens media syntype major} The photomontage is of a syntype media worker collated from http://www.antweb.org/specimen.do?name=casent0901937
On the Antweb page it is denoted as a "major" worker. The overall size and head shape, specially the mandibles with subsidiary teeth, shows that it matches the media workers I have from Guinea.

{Dorylus arcens media 3} Media 3

{Dorylus arcens media 4} Media 4

{Dorylus arcens media syntype major} The photomontage is of a syntype minor worker collated from http://www.antweb.org/specimen.do?name=casent0901937.

{Dorylus arcens major} The photomontage is of the Santschi type minor worker described as "nigricans" collated from http://www.antweb.org/specimen.do?name=casent0911306.

{Dorylus arcens minima} Minima
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© 2007, 2013, 2014 - Brian Taylor CBiol FSB FRES
11, Grazingfield, Wilford, Nottingham, NG11 7FN, U.K.

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