The Ants of Africa
SUBFAMILY DORYLINAE - Subgenus Anomma comparative study of gastral apices
Subgenus Anomma analysis page

Compilation of Anomma gastral apices using the above species-grouping

A {short description of image}Sternites with a fringe of moderately long hairs on the posterior margin; tergites with abundant semi-decumbent fine hairs; pygidium with quite narrow triangular lateral spines burmeisteri group
B {short description of image}Sternites with longer, more abundant and longer hairs but without an obvious posterior fringe of hairs; tergites with even more abundant and longer hairs; pygidium with stronger, broader based lateral spines, in some cases these have apices which are at least bifurcate arcens group
C {short description of image}Sternites with only sparse hairs and no obvious posterior fringe of hairs; tergites with quite abundant long hairs; pygidium with narrow based lateral spines, with a distinct downcurve sjoestedti group
D {short description of image}Both sternites and tergites with sparse long hairs but quite distinctive very short widely spaced pilosity; Both sternites and tergites with sparse long hairs but quite distinctive very short widely spaced pilosity; pygidium from above with semi-circular excision, also with short, sharp and very distinctly down-turned lateral spines emeryi group
E {short description of image}Both sternites and tergites with few semi-erect hairs and those are mostly short; pygidium with short lateral spines gribodoi group
F {short description of image}Both sternites and tergites with few semi-erect hairs but distinctive fringes of very short hairs, with the fringes on the posterior and lateral magins of the sternites; pygidium with moderately long sharp lateral spines kohli group

A burmeisteri-group burmeisteri, molestus, nigricans, ornatus & rubellus
. Sternites with a fringe of moderately long hairs on the posterior margin; tergites with abundant semi-decumbent fine hairs; pygidium with quite narrow triangular lateral spines .
1 {short description of image} West Africa & Congo Basin - burmeisteri
2 {short description of image} Eastern Africa - molestus
3 {short description of image} Mali & Ivory Coast - nigricans
4 {short description of image} Congo Basin east into western Tanzania & Uganda -  ornatus
5 {short description of image} Cameroun & Central African Republic - rubellus
B arcens-group .arcens, mayri, terrificus & wilverthi
. Sternites with longer, more abundant and longer hairs but without an obvious posterior fringe of hairs; tergites with even more abundant and longer hairs; pygidium with stronger, broader based lateral spines, in some cases these have apices which are at least bifurcate .
6 {short description of image} West Africa & Congo Basin - arcens
7 {short description of image} Cameroun & Uganda - mayri
8 {short description of image} Guinea & Zaire - terrificus
9 {short description of image} Congo Basin - wilverthi
C sjoestedti-group rufescens, daleckyi, sjoestedti & victoriae
. Sternites with only sparse hairs and no obvious posterior fringe of hairs; tergites with quite abundant long hairs; pygidium with narrow based lateral spines, with a distinct downcurve .
10 {short description of image} West Africa & Central African Republic - rufescens
11 {short description of image} Congo Basin - sjoestedti
12a Dorylus (Anomma) victoriae
Uganda & Kenya - victoriae type form
12b {short description of image} daleckyi
12c No major image available
West Africa & Zaire - langi
D emeryi-group emeryi, opacus & titan
. Both sternites and tergites with sparse long hairs but quite distinctive very short widely spaced pilosity; pygidium from above with semi-circular excision, also with short, sharp and very distinctly down-turned lateral spines .
13 {short description of image} West Africa - emeryi
14 {short description of image} West Africa & Congo Basin - opacus
15 {short description of image} Guinea & Zaire - titan
E gribodoi-group congolensis, gribodoi and ueharae
. Both sternites and tergites with few semi-erect hairs and those are mostly short; pygidium with short lateral spines; lateral edges of tergites with a fringe of very short hairs .
16 {short description of image} West Africa & Congo Basin - gribodoi
17 {short description of image} Tanzania - ueharae
18 {short description of image} Congo Basin - congolensis
F kohli-group kohli & militaris & quadratus
. Both sternites and tergites with few semi-erect hairs but distinctive fringes of very short hairs, with the fringes on the posterior and lateral magins of the sternites; pygidium with moderately long sharp lateral spines .
19 .
20 {short description of image} West Africa & Congo Basin - kohli
20 Dorylus indocilis
Zaire east to Tanzania - indocilis
21 Dorylus militaris
Zaire & Guinea - militaris
22 {short description of image} Tanzania - quadratus
Contents Subgenus Anomma introduction
© 2008, 2012, 2014, 2015 - Brian Taylor CBiol FRSB FRES
11, Grazingfield, Wilford, Nottingham, NG11 7FN, U.K.

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