References by Betrem, J. G.
Betrem, J. G. 1926. De mierenfauna van Meijendel. Levende Natuur 31:211-220. PDF
Betrem, J. G. 1953. Enkele opmerkingen omtrent de soorten van de Formica rufa-groep (Hym.). Entomologische Berichten (Amsterdam) 14:322-326. PDF
Betrem, J. G. 1955a. On some ant types of Fabricius. Entomologische Berichten (Amsterdam) 15:291-293.
Betrem, J. G. 1960a. Formica truncorum F. niet inheems. Entomologische Berichten (Amsterdam) 20:130-134. PDF
Betrem, J. G. 1960b. Ueber die Systematik der Formica rufa-gruppe. Tijdschrift voor Entomologie 103:51-81.
Betrem, J. G. 1962a. Quelques remarques sur l'identité de la Formica nigricans. Entomologische Berichten (Amsterdam) 22:38. PDF
Betrem, J. G. 1962b. Die neue Systematik der Formica rufa-Gruppe. Pp. 298-300 in: Strouhal, H.; Beier, M. (eds.) 1962. XI. Internationaler Kongress für Entomologie. Wien, 17. bis 25. August 1960. Verhandlungen. Band III. Wien: Organisationskomitee des XI. Internationalen Kongresses für Entomologie, 348 pp.
Taxa originally described by author (including combinations)
Taxon Authorship Rank Status
Formica kontuniemii Betrem, 1954 Species Synonym
Formica pratensis staerckei Betrem, 1960a Subspecies Valid
Formica nigropratensis Betrem, 1962a Species Valid
Statistics
Published between 1926–1964
Taxon descriptions between 1954–1962
No. of references 11
No. of described taxa (including combinations) 3
No. of described taxa (valid, including combinations) 2
No. of described taxa (protonyms only) 3
Names belonging to author
Author name No. of references
Betrem, J. G. 11