The Ants of Africa
Genus Monomorium
Monomorium subopacum (F Smith)


Monomorium subopacum (F Smith)

return to key
return to listIran list {link to the Hymenoptera Name Server} Type location Madeira (51. Myrmica subopaca, F Smith, 1858b: 127, worker & queen; note the prior name is 45. Myrmica glyciphila, see below,  Bolton, 1987: 360, has "rejected as prior name based on pagination, on the first reviser principle"), collector T V Wollaston - see below.
adoneum (Monomorium (Xeromyrmex) subopacum Sm., v. adoneum n. v., Santschi, 1936a: 41, illustrated, worker) from Lebanon, Djbeil or Djbla, ancient Byblos, collector Santschi - see
apuleii (Monomorium (Xeromyrmex) subopacum Sm., v. apuleii n. var., Santschi, 1927d: 243, all forms) from Tunisia, Hammamat, collector Santschi - see
(Monomorium (Xeromyrmex) subopacum var. ebraicum n. var., Menozzi, 1933b; 62, worker & male) from Israel - see below
planidorsum (Monomorium salomonis F., subsp. planidorsa n., Emery, 1915e: 378, worker, stirps of subopacum Santschi, 1927d: 244) from Tunisia, Cussabat - see
junior synonyms
mediterraneum (Monomorium mediterraneum, Mayr, 1861: 72, in key, worker & queen; Santschi, 1936a: 40, male, synonymy Santschi, 1927d: 241) from southern Spain - see
obscuripes (Pharacota cabrerae st oscuripes, Santschi, 1921b: 424, male; Santschi, 1927d: 241, worker & queen, also synonymy) from Canary Is - see (fragmented queen)
italica (Monomorium (Xeromyrmex) subopacum F Smith ssp. italica n. ssp., Baroni Urbani, 1964c: 154, illustrated, worker; synonymy Baroni Urbani, 1968b: 450) from Italy- no images on Antweb (February 2015)
cabrerae (Paraphacota Cabrerai n.sp., Santschi, 1919g: 405, illustrated, male; Santschi, 1927d: 242, worker & queen, also synonymy) from Canary Is - see (male)
glyciphila (45. Myrmica glyciphila, F Smith, 1858b: 125, worker; see above note on rejection as prior name) from Sri Lanka - see
liberta (Monomorium (Xeromyrmex) Salomonis L. st. subopacum Sm., v. liberta, n. var., Santschi, 1921e: 170; Santschi, 1927d: 243, worker) from Senegal, St Louis, collector Claveau - see
surcoufi (Pharacota surcoufi, Santschi, 1919d: 90, illustrated, male; Santschi, 1927d: 243, worker & queen) from Algeria, Biskra - see male at;
unavailable names
senegalensis (Monomorium Salomonis L. st. subopacum Sm. v. senegalensis n. var., Santschi, 1913c: 306, worker) from Senegal - no images on Antweb (February 2015)
intermedium (Monomorium (Xeromyrmex) salomonis subsp. subopacum var. intermedium var. nov. Wheeler, 1927g: 108;  Monomorium (Xeromyrmex) subopacum Sm., v. intermedium (Wheeler), Santschi, 1927d: 242, worker) from Canary Is, Palma, Barranco de las Augustias, collector W M Wheeler - - no images on Antweb (February 2015)
all forms known (see Bolton, 1995) .

{Monomorium subopacum}Monomorium subopacumSmith's (1858b) description is at {original description}. Smith's (1858b) description of glyciphila is at {original description}. Mayr's (1861) description of mediterraneum is at {original description}. Arnold (1916: 224) gave a fuller description and transcription is at {original description}. Bondroit (1918: 143) gave an illustrated fuller description, this is at {original description}. Santschi's (1913c) description of senegalensis is at {original description}. Santschi's (1921e) description of liberta is at {original description} Note the latter two suggest Santschi twice described the same specimens. Emery's (1915e) description of planidorsum is at {original description}.Santschi's (1919d) description of the surcoufi male is at {original description}. Santschi's (1921b) description of the obscuripes male is at {original description} Santschi (1927d) reviewed subopacum - see {original description}. Wheeler (1927g) simply regarded intermedium as with coarser puncturate sculpture than the type form salomonis but finer than the stirps subopacum, which he also had collected on the Canary Is. Menozzi's (1936a) description of ebraicum is at {original description}. Santschi's (1936a) description of adoneum is at {original description}. Baroni Urbani's (1964c) description of italica is at {original description}. Bolton's modern description (1987) is at {original description}.

{Monomorium subopacum - salomonis comparison}WORKER - TL 3.1-3.4 mm (in Bolton, 1987: 360, not illustrated).

Arnold (1916) recorded finding it at Bulawayo, Zimbabwe.

{Monomorium subopacum}The photomontage is collated from

Oxford University Museum specimens

Monomorium subopacum
B Taylor det.
M Sharaf

Gebel Asfar
3013' N
3129' E

Monomorium subopacum
B Taylor det.
M Sharaf

3039' N
3426' E


Monomorium subopacum
B Taylor det.
M Sharaf

3056' N
3121' E
Kafr Sheik

Monomorium subopacum
B Taylor det.
Z Mahmoud

2008'32.11" N
3015'3.37" E
Hand collected

{Monomorium subopacum}

The photomontage is of a worker collected in Sudan, Shada; collector Zuheir Mahmoud (Sudan 63).

First country record

{Monomorium subopacum}The photomontage is of workers (12 specimens) from Egypt, Gebel Asfar; collector Mostafa Sharaf - colour appears similar to apulei - see link above.. 

{Monomorium subopacum worker}The photomontage of a worker from Reunion is collated from

{Monomorium subopacum ebraicum}The photomontage of a cotype of ebraicum is collated from The Smithsonian Institute images at

{Monomorium subopacum male}The photomontage of the obscuripes male is collated from

{Monomorium subopacum male}The photomontage of the cabrerae male is collated from

2007, 2008, 2010, 2012, 2015, 2017, 2018 - Brian Taylor CBiol FRSB FRES
11, Grazingfield, Wilford, Nottingham, NG11 7FN, U.K.