Ant fauna (Hymenoptera: Formicidae) of the Socotra Archipelago (Yemen): zoogeography, distribution and description of a new species Author Sharaf, Mostafa R. Author Fisher, Brian L. Author Collingwood, Cedric A. Author Aldawood, Abdulrahman S. text Journal of Natural History 2017 J. Nat. Hist. 2017-01-27 51 5 - 6 317 378 http://dx.doi.org/10.1080/00222933.2016.1271157 journal article 55739 10.1080/00222933.2016.1271157 f91a0e7b-c4c5-458a-858a-9de4cf82e13f 1464-5262 5184295 89612083-9CE6-48E8-8975-1CE5334E098B Monomorium atomum Forel, 1902a ( Figure 11 (a–c)) Monomorium (Martia) atomus Forel, 1902a: 210 (w.) India . Indomalaya. Diagnosis Figure 10. Cardiocondyla minutior . (a) Body in profile. (b) Head in full-face view, CASENT0746617, AntWeb.org, (Zach Lieberman). (c) Distribution map from recent records. Figure 11. Monomorium atomum . (a) Body in profile. (b) Head in full-face view, CASENT0746615, AntWeb.org, (Zach Lieberman). (c) Distribution map from recent records. Worker . Small species (TL 1.20–1.30). Head distinctly longer than broad, feebly convex or parallel sides and feebly concave posterior margin; eyes small with four or five ommatidia in the longest row; petiole peduncle in profile short and without anteroventral process. Body smooth and shining. Colour uniform yellow. Material examined Yemen , Socotra Island , W. Jo’ o, 21 April 2014 , 196 m, (M.R. Sharaf leg.), 12.54038°N , 54.17186°E (1 w, KSMA ) . Geographic range India ( Forel 1902a ). This species is recorded for the first time from Socotra Archipelago Island. Ecological and biological notes This species was found in humid leaf litter under a date palm tree where the soil was rich in accumulations of decayed animal faeces.