Ueber Gastr. Arbusculae,Published in Entomologische Zeitung Stettin, in 1860, in volume 21, pages 414-417Created: 2016-11-22, modified: 2016-11-22
IntelligenzPublished in Entomologische Zeitung Stettin, in 1856, in volume 17, pages 191-192Created: 2016-11-22, modified: 2016-11-22
Amphipoea lucens Freyer, the large ear and A. fucosa Freyer, the saltern ear (Lep.: Noctuidae) in HertfordshirePublished in Entomologist's Record and Journal of Variation, in 1991, in volume 103, issue 9-10, pages 249-250Created: 2016-09-01, modified: 2016-09-01
LiteraturPublished in Entomologische Zeitung Stettin, in 1854, in volume 15, pages 362-364Created: 2016-11-22, modified: 2016-11-22
LepidopterologischesPublished in Entomologische Zeitung Stettin, in 1861, in volume 22, pages 295-297Created: 2016-11-22, modified: 2016-11-22
LepidopterologiePublished in Entomologische Zeitung Stettin, in 1861, in volume 22, pages 459-460Created: 2016-11-22, modified: 2016-11-22
Entgegnung auf die Bemerkungen des Stiftungskassiers Herrn C. F. Freyer in AugsburgPublished in Entomologische Zeitung Stettin, in 1860, in volume 21, pages 235-237Created: 2016-11-22, modified: 2016-11-22
Einige Bemerkungen über Psyche atra FreyerPublished in Wiener Entomologische Monatsschrift, in 1857, in volume 1, pages 73-75Created: 2016-11-23, modified: 2016-11-23
Ueber Bomb. Menthastri und UrticaePublished in Entomologische Zeitung Stettin, in 1845, in volume 6, pages 333-335Created: 2016-11-22, modified: 2016-11-22
Ueber die ältere lepidopterologische LitteraturPublished in Entomologische Zeitung Stettin, in 1840, in volume 1, pages 75-80Created: 2016-11-22, modified: 2016-11-22
Intelligenz-Nachrichten. Nachricht an LepidopterologenPublished in Entomologische Zeitung Stettin, in 1844, in volume 5, pages 31-32Created: 2016-11-22, modified: 2016-11-22
Lepidopterologie. Ueber meine Gastropacha ArbusculaePublished in Entomologische Zeitung Stettin, in 1860, in volume 21, pages 93-96Created: 2016-11-22, modified: 2016-11-22
Erinnerung an Jacob Hübner aus AugsburgPublished in Entomologische Zeitung Stettin, in 1861, in volume 22, pages 297-299Created: 2016-11-22, modified: 2016-11-22
Ueber Hipp. Pitho Hbr. Pronoe & MedeaPublished in Entomologische Zeitung Stettin, in 1847, in volume 8, pages 93-95Created: 2016-11-22, modified: 2016-11-22
Lepidopterologie. Die Naturgeschichte von Thyris FenestrinaPublished in Entomologische Zeitung Stettin, in 1860, in volume 21, pages 97-98Created: 2016-11-22, modified: 2016-11-22
Über eine neue Art von Hypochthon (Proteus)Published in Archiv für Naturgeschichte, in 1846, in volume 12, issue 1, pages 289-290Created: 2017-03-18, modified: 2017-03-18
Beschreibung der Raupe von Eupithecia Cauchyata Dup., Austerata FreyerPublished in Entomologische Zeitung Stettin, in 1871, in volume 32, pages 278-279Created: 2016-11-22, modified: 2016-11-22
On the occurrence of Kretania eurypilus Freyer on the Peloponesos (Lycaenidae, Plebejinae)Published in Nota Lepidopterologica, in 1984, in volume 7, pages 164-170Created: 2013-02-03, modified: 2013-02-03
Zur Naturgeschichte der Orgyia Selenitica, Hübners B. LathyriPublished in Entomologische Zeitung Stettin, in 1844, in volume 5, pages 29-31Created: 2016-11-22, modified: 2016-11-22
Lepidopterologische Beobachtungen, Nachrichten und Bemerkungen vom Jahre 1840Published in Entomologische Zeitung Stettin, in 1841, in volume 2, pages 90-96Created: 2016-11-22, modified: 2016-11-22
Lopidopterologische Beobachtungen, Nachrichten und Bemerkungen vom Jahre 1840Published in Entomologische Zeitung Stettin, in 1841, in volume 2, pages 107-112Created: 2016-11-22, modified: 2016-11-22
Eupithecia Extensaria (Freyer, 1844) (Geometridae) in PolandPublished in Nota Lepidopterologica, in 2007, in volume 30, issue 1, pages 17-23Created: 2015-03-17, modified: 2015-03-17
Ueber die Stellung und Einreihung des Pap. Lucina im System,*Published in Entomologische Zeitung Stettin, in 1841, in volume 2, pages 50-51Created: 2016-11-22, modified: 2016-11-22
Die Falter der Reinthal- oder Schlückenalpe bei Reutte in TyrolPublished in Entomologische Zeitung Stettin, in 1843, in volume 4, pages 153-158Created: 2016-11-22, modified: 2016-11-22
Die Falter der Rheinthal- oder Schlückenalpe bei Reutte in TyrolPublished in Entomologische Zeitung Stettin, in 1843, in volume 4, pages 162-167Created: 2016-11-22, modified: 2016-11-22
Notes on the distribution of Gortyna borelii lunata Freyer in the Carpathian BasinPublished in Nota Lepidopterologica, in 1987, in volume 10, pages 54-60Created: 2013-02-03, modified: 2013-02-03
The conservation of Gortyna borelii lunata Freyer (Lep.: Noctuidae)Published in Entomologist's Record and Journal of Variation, in 2000, in volume 112, issue 1, pages 1-5Created: 2016-09-01, modified: 2016-09-01
On the generic names used by Freyer in the Neuere BeitragePublished in Entomologist's Record London, in 1931, in volume 43, pages 14-15Created: 2016-09-01, modified: 2016-09-01
Lepidopterologisches, Zur Naturgeschichte und Beschreibung der Cucullien: Umbratica, Lucifuga, Lactucae & CampanulaePublished in Entomologische Zeitung Stettin, in 1859, in volume 20, pages 417-425Created: 2016-11-22, modified: 2016-11-22
Suspected second brood of Eupithecia lariciata Freyer (larch pug)Published in Entomologist's Record and Journal of Variation, in 1986, in volume 98, issue 9-10, pages 207-208Created: 2016-09-01, modified: 2016-09-01
Zum Vorkommen von Erebia styx Freyer in den Allgäuer Alpen (Lep. Satyridae)Published in Nachrichtenblatt der Bayerischen Entomologen, in 1987, in volume 036, pages 112-113Created: 2016-09-15, modified: 2016-09-15
Notes concerning the taxonomic status of Coenonympha thyrsis FreyerPublished in Entomologist's Record and Journal of Variation, in 1977, in volume 89, issue 1, pages 1-2Created: 2016-09-01, modified: 2016-09-01
ACANTHACEAEPublished in Rodriguésia, in 1957, in volume 20, issue 32, pages 138-150Created: 2016-07-17, modified: 2016-07-17
Gortyna borelii Pierret (ssp. lunata Freyer ?): a new British mothPublished in Entomologist's Record and Journal of Variation, in 1971, in volume 83, pages 51-52Created: 2016-09-01, modified: 2016-09-01
SHORTER NOTESPublished in Torreya, in 1905, in volume 5, issue 8, pages 145-147Created: 2022-12-15, modified: 2022-12-15
Genus makingPublished in Nautilis, in 1889, in volume 3, pages 5-8Created: 2013-09-28, modified: 2013-09-28
MykologischesPublished in Linnaea, in 1852, in volume 25, pages 158-161Created: 2017-10-18, modified: 2017-10-18
The Genetics of Luperina Nickerlii Freyer, 1845 in Europe (Noctuidae)Published in Nota Lepidopterologica, in 2013, in volume 36, issue 1, pages 35-46Created: 2015-03-17, modified: 2015-03-17
Eupithecia lariciata Freyer (Lep.: Geometridae), the larch pug in Dumfries-shirePublished in Entomologist's Record and Journal of Variation, in 1987, in volume 99, issue 7-8, pages 152Created: 2016-09-01, modified: 2016-09-01
In memoriam P. C. T. SnellenPublished in Tijdschrift voor Entomologie, in 1912, in volume 55, issue 1/2, pages 1-8Created: 2010-01-11, modified: 2021-04-05
Is the large ear Amphipoea lucens (Freyer) (Lep.: Noctuidae) resident in south-east England?Published in Entomologist's Record and Journal of Variation, in 2000, in volume 112, issue 3, pages 106Created: 2016-09-01, modified: 2016-09-01
Observations on the egg laying habits of Gortyna borelii lunata Freyer in the wildPublished in Entomologist's Record and Journal of Variation, in 1981, in volume 93, issue 2, pages 44Created: 2016-09-01, modified: 2016-09-01
Enumeration des Lepidopteres Heteroceres recueillis a Java par Mr M. C. Piepers avec des notes par Mr P. C. T. SnellenPublished in Tijdschrift Voor Entomologie, in 1900, in volume 43, pages 12-108Created: 2011-10-04, modified: 2022-08-15
Patella (Helcioniscus) nigrisquamata ReevePublished in Nautilis, in 1894, in volume 8, pages 91-92Created: 2013-09-28, modified: 2013-09-28
What is a species?Published in Nautilis, in 1889, in volume 3, pages 78-80Created: 2013-09-28, modified: 2013-09-28
A search for LiguusPublished in Nautilis, in 1922, in volume 35, pages 65-73Created: 2013-09-28, modified: 2013-09-28
Florida West Coast LiguusPublished in Nautilis, in 1921, in volume 35, pages 20-22Created: 2013-09-28, modified: 2013-09-28
A RejoinderPublished in The Wilson Bulletin, in 1914, in volume 26, issue 3, pages 157-161Created: 2016-11-27, modified: 2016-11-27
Neue MicrolepidopterenPublished in Stettiner Entomologische Zeitung, in 1872, in volume 33, pages 23-26Created: 2012-12-02, modified: 2012-12-02
Letters, Extracts from Correspondence, Notices &cPublished in Ibis, in 1860, in volume 2, issue 4, pages 428-432Created: 2024-10-04, modified: 2024-10-04