Perigonia glaucescens Walker, 1856 (Fig 5. B) General distribution. Endemic to Hispaniola. Distribution in the DR. Cordillera Central, Independencia and Barahona (Fig 2. A). Habitat. Elevation 650–1100 m asl. The insect generally flies at low elevations in areas that are heavily forested. It appears to be local but can be extremely frequent where it is found (Fig 9. F). Host plants. Probably Rubiaceae. Material examined. Hodecek: Ebano Verde: 19°01'59"N 70°32'35"W, 1100 m, 6/2023, 1 ♂, leg. J. Hodecek; Pedernales province: 18°06'24"N 71°37'12"W, 700 m, 6/2023, 1 ♂, leg. J. Hodecek; Valle Nuevo National Park: 18°53'00"N 70°33'56.5"W, 660 m, 5/2024, 2 ♂, leg. J. Hodecek. Haxaire: Monseñor Nouel, Route from Cotui to Piedra Blanca, Maimón: 18°53'11"N 70°17'55"W, 151 m, 9/08/2007, 10 ♂ 2 ♀, leg. Jean Haxaire & Odile Paquit; Polo, Las Auyamas (Barahona): 18°06'52"N 71°16'25"W, 862 m, 18/04/2016, 8 ♂, leg. Jean Haxaire; Pedernales, Route Cabo Rojo to El Aceitillar, Sierra de Bahoruco: 18°07'02"N 71°36'58"W, 896 m, 24/02/2017, 13 ♂, leg. J. Haxaire & Odile Paquit; La Vega, trail from Manabao to La Ciénega, Rio Yaque de Norte: 19°04'27"N 70°49'37"W, 951 m, 26/02/2017, 5 ♂, leg. J. Haxaire & Odile Paquit; San Cristobal, Village of Cambita, trail to La Cole: 18°30'03"N 70°15'29"W, 732 m, 22/02/2019, 4 ♂, leg. J. Haxaire & Odile Paquit; Monseñor Noel, Bonao, Loma de Blanco, before the Hydroelectric Plant Hoyo de Piño: 18°53'05"N 70°30'11"W, 420 m, 27/02/2019, 6 ♂, leg. J. Haxaire & Odile Paquit.

Published as part of Hodecek, Jiri & Haxaire, Jean, 2025, A revised and annotated checklist of the hawkmoths (Lepidoptera: Sphingidae) of the Dominican Republic, with new records and distribution maps of chosen species, pp. 401-427 in Zootaxa 5701 (4) on pages 418-419, DOI: 10.11646/zootaxa.5701.4.1, http://zenodo.org/record/17326170