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.
Protonyms originally described by author
Protonym Taxon Authorship Rank Status
Formica kontuniemii Formica kontuniemii Betrem, 1954 Species Synonym Original combination
Formica thijssei Formica thijssei Betrem, 1955b Species Synonym Original combination
Formica nigricans var. staerckei Formica pratensis staerckei Betrem, 1960a Subspecies Synonym
Formica nigropratensis Formica nigropratensis Betrem, 1962a Species Synonym Original combination
Statistics
Published between 1926–1964
Taxon descriptions between 1954–1962
No. of references 11
No. of described taxa (including combinations) 5
No. of described taxa (valid, including combinations)
No. of described taxa (protonyms only) 4
Names belonging to author
Author name No. of references
Betrem, J. G. 11