oa Journal of the Entomological Society of Southern Africa - Notes on African Formicidae (Hymenoptera) - 1
When examining closely workers of L. schwabi Ford and L. stuhlmanni Mayr, collected by Dr G. Arnold in Bulawayo and Chirinda Forest (S. Rhod.), and determined by him and comparing them with specimens of stuhlmanni, collected by Dr J. H. Grobler in Barberton (Tvl.), (also determined by Dr Arnold), I noticed that the ratio of the width of the head across the anterior margin to the width across the eyes is the same in both species.
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