Fig. 21. A in Faunistic survey of myrmecophilous and other ant-associated beetles and spiders in the Belgian province of Limburg (Araneae, Coleoptera, Hymenoptera: Formicidae)

Fig. 21. A, Acrotrichis intermedia (Gillmeister, 1845) (range 1.0-1.1 mm). B, Pteryx suturalis (Heer, 1841) (range 0.75-0.85 mm). C, Ptilium myrmecophilum (Alibert, 1844) (range 0.6-0.65 mm). © U. Schmidt. ; Published as part of Berx, Peter, Bosmans, Bart, Dekoninck, Wouter, Janssen, Marc, Stassen, Eugène & Crevecoeur, Luc, 2023, Faunistic survey of myrmecophilous and other ant-associated beetles and spiders in the Belgian province of Limburg (Araneae, Coleoptera, Hymenoptera: Formicidae), pp. 1-61 in Belgian Journal of Entomology 141 on page 26, DOI: 10.5281/zenodo.12639020