Rotastruma recava Bolton, 1991

Hosoishi, Shingo, Yamane, Seiki & Sokh, Heng, 2021, A third species of the rare ant genus Rotastruma (Hymenoptera, Formicidae) from Cambodia, with illustrated generic diagnoses and key to species, Deutsche Entomologische Zeitschrift 68 (2), pp. 225-233 : 225

Rotastruma recava Bolton, 1991

Type material examined.

Holotype and one paratype worker images examined. Holotype: Malaysia • worker; Sarawak, 4th Division G. Mulu NP; 22 May 1978; N. M. Collins leg.; type image CASENT0901995 of AntWeb (http://www.antweb.org/); BMNH. paratype: SINGAPORE • one worker; Bukit Timah Forest; 15 Mar 1973; D. H. Murphy leg.; type image CASENT0178523 of AntWeb (http://www.antweb.org/); MCZC.

Remarks.

This species is easily distinguished from R. epispina sp. nov. and R. stenoceps by the concave occipital margin, convex lateral margin of head and sides of head not having hairs in the worker caste.