Leptothorax exilis Emery, 1869b: 15, pl. 1, fig. 9 (w.) ITALY. Palearctic.

Primary type information: Type-material: holotype worker. Type-locality: Italy: Bellavista, above Portici (C. Emery). Type-depository: MSNG. Type notes: A “syntype” cited by Salata et al., 2018: 778, has the data: “Napoli, vii.77, Casamicciola”; this is not type-material as date is incorrect and Emery cites he has only “one specimen”.

Infrasubspecies

• L. t. e. corticalonylanderi Emery & Forel, 1879
• L. t. e. dichroa Emery, 1905
• L. t. e. ruficornis Emery, 1898
• L. t. e. specularis Emery, 1898
• L. t. e. unifasciatonylanderi Emery & Forel, 1879