The Ants of Africa
Genus Messor
Messor ruginodis Stitz

Messor ruginodis Stitz

return to key {link to the Hymenoptera Name Server} Type location Central African Republic (Messor barbarus L. r. ruginodis n. stirps, Stitz, 1916: 374, illustrated, worker) collected at Fort Crampel, by Schubotz, xi.1910-6.i.1911 (type location given as "Congo" in Bolton, 1995) - no images on Antweb (January 2015) .


{short description of image}Stitz's (1916) description is at {original description}. Fort Crampel now known as Kaga Bondoro, 6 58' 60" N 19 10' 60" E.

Noted by Bolton (1982, not illustrated) as "nomen dubium" as the original specimens appear to have been lost from the Museum in Berlin. He decided from the Stitz description that it is related to Messor capensis (type location South Africa). It obviously is a well defined and distinct species.

The major worker from Sudan, shown below, is larger, TL ca 13 mm, than the Stitz dimensions TL 9-7 mm, but the head shape shown by Stitz is suggestive of a media worker (see Messor galla morphs from Sudan for comparision of majors). The alitrunk and petiole node are distinctively sculptured, with strong striations, and the petiole has an antero-ventral angular prominence.  The hind femora also have several oblique hairs on the ventral surface. Unlike the Collingwood description and fresh specimens from Kenya of Messor ferreri it is not entirely black and the anterior of the head has shorter fine linear striations. It is, however, darker than specimens of Messor angularis collected in Sudan.  If my identification is corrrect it clearly differs from M. capensis in not having abundant erect hairs on the gaster.


Oxford University Museum specimens

Messor ruginodis
B Taylor det.

Sudan
Z Mahmoud
2009-68

14.iii.2009
Al Gedarf
1466'37.54" N
3534'36.65" E
Hand collected
2
{album}
Messor ruginodis
B Taylor det.
Sudan
Awatif Omer
01
2012
Sennar
1336' N
3301' E
Media and minima workers
2
{album}
Messor ruginodis
B Taylor det.
Sudan
Awatif Omer
39
2012
Dinder NP
11 N
35 E
Major, media & minor workers
3
{album}

{Messor ruginodis}

The photomontage is of a major worker from Sudan, Al Gedarf; collector Zuheir Mahmoud.


{Messor ruginodis minor}

The photomontage is of a minor worker collected as above.


{Messor ruginodis}

The photomontage is of a major worker from Sudan, Dinder National Park; collector Awatif Omer Mahmoud (Sudan 2013 39).


{Messor ruginodis minor}

The photomontage is of a minor worker from Sudan, Sennar; collector Awatif Omer Mahmoud (Sudan 2013 01).

Contents
2007, 2008, 2010, 2013, 2015 - Brian Taylor CBiol FSB FRES
11, Grazingfield, Wilford, Nottingham, NG11 7FN, U.K.

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