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This study is a synthesis of the current knowledge regarding the Macrolepidoptera fauna from Central Dobrogea (south-eastern Romania) and it is based on the research done in the area since 2007. Most of the collecting has been done on salt steppes around the large lakes (sea lagoons) Razim (Razelm) and Sinoe (Histria, Plopu-Sarinasuf), but also in forested areas and rocky hills (Babadag Forest, Cheile Dobrogei, Gura Dobrogei, Cetatea Enisala etc.) from Central Dobrogea. The most remarkable results were obtained in the salt steppes (which have been very little studied before). From these areas, due to the research done in the last three years, three species of Noctuidae were published as new records for Romania: Cucullia argentina (Fabricius, 1787), Tarachidia candefacta (Hubner, [1831]) and Leucania punctosa (Treitschke, 1825). Furthermore, there have been found numerous very local and very rare species, which had previously been known in Romania based on very few individuals such as: Phyllodesma ilicifolia (Linnaeus, 1758), Hyles hippophaes (Esper, 1793), Dasycosa modesta (Staudinger, 1879), Megaspilates mundataria (Stoll, 1782), Idaea sericeata (Hubner, 1813), Paradrymonia vittata bulgarica de Freina, 1983, Grammodes bifasciata (Petagna, 1787), Symira dentinosa Freyer, 1839, Episema lederi Christoph, 1885, Saragossa siccanorum (Staudinger, 1870), Cardepia hartigi (Parenzan, 1981), Polia cherrug Rakosy & Wieser, 1997, Chersotis laeta macini Rakosy, Stangelmeier & Wieser, 1996, Chersotis imbriola niculescui Rakosy, 1997, Diachrysia chryson deltaica Rakosy, 1996, Euxoa cos (Hubner, [1808]), Parocneria terebinthi (Freyer, 1838) etc. The species protected by Romanian and EU laws are commented. A total of 697 species of Macrolepidoptera from Central Dobrogea are listed. Ten species are new records for the fauna of Dobrogea and 237 species have been not reported previously in this geographical area. Resume. Cette etude est une synthese des connaissances actuelles en ce qui concerne la faune des macrolepidopteres du centre de Dobrogea (sud-est de la Roumanie) et est basee sur la recherche effectuee dans la region depuis 2007-2012. La plupart de la collection a ete fait dans les steppes de sel autour des grands lacs (des lagunes marines) de Dobrogea, Razim (Razelm) et Sinoe (Histria, Plopu-Sarinasuf), mais aussi dans les zones boisees et de collines rocheuses (Foret Babadag, Deiles de la Dobrogea, Gura Dobrogei, Fortiication Enisala etc.) du centre de Dobrogea. Les resultats les plus remarquables ont ete obtenus dans les steppes salees (qui ont ete tres peu etudie avant). En raison de la recherche effectuee dans les trois dernieres annees dans ces zones, trois especes nouvelles de Noctuidae pour Roumanie ont ete publiees: Cucullia argentina (Fabricius, 1787), Tarachidia candefacta (Hubner, [1831]) et Leucania punctosa (Treitschke, 1825). En outre, on a trouve de nombreuses especes locales et tres rare, qui avait ete precedemment connu en Roumanie sur la base de tres peu d’individus, tels que: Phyllodesma ilicifolia (Linnaeus, 1758), Hyles hippophaes (Esper, 1793), Dasycosa modesta (Staudinger, 1879), Megaspilates mundataria (Stoll, 1782), Idaea sericeata (Hubner, 1813), Paradrymonia vittata bulgarica de Freina, 1983, Grammodes bifasciata (Petagna, 1787), Symira dentinosa Freyer, 1839, Episema lederi Christoph, 1885, Saragossa siccanorum (Staudinger, 1870), Cardepia hartigi (Parenzan, 1981), Polia cherrug Rakosy & Wieser, 1997, Chersotis laeta macini Rakosy, Stangelmeier & Wieser, 1996, Chersotis imbriola niculescui Rakosy, 1997, Diachrysia chryson deltaica Rakosy, 1996, Euxoa cos (Hubner, [1808]), Parocneria terebinthi (Freyer, 1838) etc. On commente les especes protegees par Roumanie et les lois de l’UE. Un total de 697 especes de macrolepidopteres du centre de Dobrogea sont enumerees. Dix especes sont nouvelles pour la faune de Dobrogea et 237 especes n’ont ete pas precedemment rapportees dans cette zone

Two new species of Euxoa Hubner are described from northern and western Canada: Euxoa apopsis Troubridge & Lafontaine, related to E. macleani McDunnough, and E. muldersi Lafontaine & Hensel, related to E. churchillensis McDunnough. Euxoa chimoensis Hardwick, stat. rev., is recognized as a valid species rather than as a subspecies of Euxoa macleani. A diagnosis of the E. westermanni species-group is given with descriptions and illustrations of the new species and their relatives.

The white gypsum dune ecosystem in the Tularosa Basin in south central New Mexico is the largest gypsum dune field on earth, covering 712.25 km2. White Sands National Monument in Otero County, New Mexico, protects approximately 40%, 297.85 km2, of this dune field. In 2006 the US National Park Service initiated a long term study of the Lepidoptera at White Sands National Monument, resulting in the discovery of two new species, Euxoa lafontainei Metzler & Forbes, n. sp. and Protogygia whitesandsensis Metzler & Forbes, n. sp. described herein. Adult moths and male and female genitalia are illustrated for Euxoa lafontainei, and adults and male genitalia are illustrated for Protogygia whitesandsensis and its relatives.