The Ants of Africa
SUBFAMILY DORYLINAE - Subgenus Anomma species key 2009
Subgenus Anomma introduction

The measurements given on the species pages and in the keys below are, in mm:
TL = Total Length from anterior margin of head (excluding mandibles) to end of gaster; HW = Head Width at widest point; HL = Head length from anterior margin of head (excluding mandibles) to posterior margin (straight line across the rearmost points); HD = Head Depth at maximum from dorsum to ventral surface; CI - Cephalic Index (HW/HL) X 100; SL - Scape Length; SI - (SL/HW) X 100; AL - Alitrunk (or mesosoma) length from anterior to posterior margin when seen from directly above; PW = maximum width of pronotum; PetL = length of petiole seen from the side; GL = Gaster Length; MFL = Midfemur Length.

. Major workers Minima worker heads (some may be media 5)
. burmeisteri-group .
* {Dorylus burmeisteri major} {Dorylus burmeisteri minima}
. Major TL ca 10 mm; overall shiny; colour somewhat variable from red-brown to near black; petiole glabrous West Africa & Congo Basin - burmeisteri
* {Dorylus nigricans major} {Dorylus nigricans minor face}
. Best fit to descriptions but not associated with known males; major TL ca 11 mm; near black, head, pronotum and most of gaster quite shiny, posterior of head and first segment of gaster submatt; head less narrowed posteriorly than burmeisteri; petiole with hairs on dorsum specimens photographed by C Schöning and distinct from burmeisteri Mali & Ivory Coast - nigricans
* {Dorylus rubellus major} none available
. Generally similar to burmeisteri but with several erect hairs on the petiole dorsum; overall lighter coloured West Africa - rubellus
. molestus-group .
* {Dorylus molestus major} {Dorylys molestus media 4/ minima}
. . Congo Basin eastwards (? West Africa) - molestus
. arcens-group .
* {Dorylus arcens major} {Dorylus arcens minima face}
. . West Africa & Congo Basin - arcens
* {Dorylus mayri major} {Dorylus mayri minima face}
.
Cameroun & Uganda - mayri
* {Dorylus terrificus major} {Dorylus terrificus minima face}
. . West Africa & Congo Basin - terrificus
* {Dorylus wilverthi major} {Dorylus wilverthi minima}
. {Dorylus wilverthi} West Africa & Congo Basin - wilverthi
. sjoestedti-group .
* {Dorylus rufescens major} {Dorylus rufescens minimaf face (media 4?)}
. . Cameroun & Congo Basin - rufescens
* {Dorylus sjoestedti} {Dorylus sjoestedti minima}


Camaeriun & Congo Basin - sjoestedti
* {Dorylus victoriae} {Dorlyus victoriae minima}
. . Uganda & Kenya - victoriae
. emeryi-group .
* .{short description of image} {Dorylus emeryi minima}
. . West Africa & Congo Basin - emeryi
* {Dorylus opacus major} {Dorylus opacus minima}
. . West Africa & Congo Basin - opacus
* {Dorylus titan} {short description of image}
. . West Africa & Congo Basin - titan
. gribodoi-group .
* {Dorylus lamottei}HW 0.78 - 2.9 mm; petiole seen from above near spherical; petiole with distinct anterior ventral process {Dorylus lamottei minima}
. junior synonyms gerstaeckeri & lamottei West Africa & Congo Basin - gribodoi
* {Dorylus ueharae major} {Dorylus ueharae minima}
. Major - TL 8.55 mm, HL 2.5, HW 2.0, Head Depth 1.5, SL 1.15, PW 1.00, Petiole length 0.65. Alitrunk length 2.5, Gaster Length 3.0; distinctively bicoloured, with head near black, alitrunk chestnut orange and gaster darker, near black apically; petiole without a distinct anterior ventral process. Tanzania - ueharae
* {short description of image}Major .
* {Dorylus congolensis media}Media 1 - TL 7 mm, HW ca 2.0 mm; head distinctly flattened in profile {Dorylus Gabon minima}
. TL 11-12.5 mm, CI 91; head with posterior strongly scalloped; mandibles short and quite straight, variably with subapical tooth and denticles; funiculus segments 1-5 differing little in length petiole wider than long; major head blackish red-brown (darker than kohli) and spiculate with a shiny frontal area on some specimens, cheeks darker, some specimens from shaded forest clear brown; mandibles and gaster shiny. Smaller morphs (TL 5 mm) with shinier head, anterior finely punctate, posterior shiny Congo Basin - congolensis
. kohli-group .
* {Dorylus kohli major} {Dorylus kohli minima face}
. TL 10 mm; HW 2.5 mm HL 2.7 mm; colour as congolensis but slightly more matt; head puncturate but "claire"; petiole as wide but slightly wider behind than it is long; ? more coarsely sculptured Congo Basin - kohli
see also langi
* {short description of image} {short description of image}
. TL 11-12 mm, HW 3 HL 3.5; sides of head parallel in anterior 3/4 then narrowing; mandibles narrower and more arcuate than congolensis; head black or dark red, sides and alitrunk paler, dorsal promesonotum more brown West Africa & Congo Basin - militaris
* .{Dorylus Cameroon 37 major} {Dorylus Cameroon 37 minima}
. . Cameroun - new species - daleckyi
* {Dorylus indocilis major} {Doryls indocilis minima face}
. . Congo Basin east to Tanzania - indocilis
* .{D. quadratus major} {D. quadratus minima}
. . Tanzania - quadratus
Contents Subgenus Anomma introduction
© 2007, 2008, 2009, 2010 - Brian Taylor CBiol FSBiol FRES
11, Grazingfield, Wilford, Nottingham, NG11 7FN, U.K.

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