Beridops Enderlein

Fachin, Diego Aguilar, González, Christian R., Elgueta, Mario & Hauser, Martin, 2021, A catalog of Stratiomyidae (Diptera: Brachycera) from Chile, with a new synonym and notes on the species, Zootaxa 5004 (1), pp. 1-57 : 17-18

Genus Beridops Enderlein

Beridops Enderlein, 1913b: 550 . Type species: Beris trichonota Philippi, 1865 [= Beris maculipennis Blanchard, 1852 ], by original designation.

Refs.: Enderlein, 1913b: 536 (in key, as Xylophagidae : Actininae); Enderlein, 1921: 155 (classification, in Stratiomyidae : Beridinae : Beridini), 199 (in key), 210 (suppl. descr.); Aubertin, 1930: 98 (in key); Stuardo, 1946: 63 (cat.); James, 1973a: 26.5 (cat.); James, 1973b: 11 (rev.); Woodley, 1995: 34, 39 (in key), 78 (redescr.); Woodley, 2001: 62 (cat.); Pujol-Luz & Pujol-Luz, 2014: 404 (list).

Comments. Brammer & von Dohlen (2007, 2010) indicated one specimen identified as “ Beridops sp. ” from Curicó, Chile, deposited in the USU collection.

abdominalis James, 1973b (paratypes, Figs 31–37 )

Beridops abdominalis James, 1973b: 13 ; 12 (in key); pl., fig. 2 (male terminalia).

Holotype: male ( WSU, type number No. 327; see Zack, 1984: 19). Type locality: Chile, Arauco Province, Pichinahuel Mts [= Mountains]. Distr.: Biobío Region: Arauco Province (Pichinahuel); La Araucanía Region: Cautín Province (Lago Villarrica, Los Coigües).

Refs.: Woodley, 1995: 80 (cat.); Woodley, 2001: 62 (cat.).

Comments. Of the 11 paratypes (four males and seven females) and the allotype mentioned in the original description ( James, 1973b), three (sexes not stated) and the allotype are deposited in the WSU collection (see Zack, 1984: 19). One female paratype is in the CNC, which is not mentioned in Cooper & Cumming (1993) ( Figs 31– 33 ). One paratype (sex not stated) is in the CAS and one male is in the FMNH collection ( Figs 34–37 ; photos also available at: https://collections-zoology.fieldmuseum.org/taxonomy/316858). The depository institution of the remaining five paratypes remains unknown.

maculipennis ( Blanchard, 1852) Beris maculipennis Blanchard, 1852: 400 . = Beris trichonota Philippi, 1865: 730 . Syntype: probably male, according to Woodley (2001: 62) (it should be deposited in MNNC, but was not found; Woodley, 2001: 62 considered it destroyed). Type locality: Chile, Valdivia

Province. Syn. by Aubertin (1930: 100).

Lectotype: female ( MNHN). Type locality: Chile, “Coquimbo, etc.”. Distr.: Coquimbo Region: Elqui Province (Cerrillos Pobres, Puerto Tres Cruces [Vicuña]), Limarí Province (San Pedro de Quile), Choapa Province (Hacienda Illapel, Huintil, Illapel); Valparaíso Region: Valparaíso Province (Viña del Mar), Marga Marga Province (Los Perales, Olmué), San Antonio Province (El Canelillo); Metropolitana Region: Santiago Province (Arrayán, Las Condes, Quebrada de la Plata), Cordillera Province (El Alfalfal, El Canelo, El Clarillo, El Melocotón, El Volcán, Los Maitenes, Quebrada El Manzano, Río Colorado ); O’Higgins Region: Cachapoal Province (Rancagua), Cardenal Caro Province (Pichilemu); Maule Region: Talca Province (Hacienda Las Mercedes at NE of Río Claro), Linares Province (Linares); Ñuble Region: Diguillín Province (Estero Cabrero, Fundo Malcho [Cordillera Parral], La Balsa, Las Cruces, Villegas); Biobío Region: Biobío Province (Concepción, El Abanico, San Rosendo, Tucapel); Araucanía Region: Malleco Province ( Cerros de Nahuelbuta ); Los Ríos Region: Valdivia Province (without precise locality); Los Lagos Region: Osorno Province (Puyehue), Llanquihue Province: (Calbuco, Casa Pangue, Ensenada, Peulla, Puerto Varas), Chiloé Province (Ancud, Castro, Dalcahue); Aysén Region: Aysén Province ( Río Mañihuales ). Argentina: Río Negro Province (Bariloche) (see James, 1939: 596).

Refs.: Rondani, 1863: 87 (list, as Oplachantha maculipennis atributed to Gay); Philippi, 1865 (as separate species): 729 (distr., as Beris ); Reed, 1888: 284 (cat.); Hunter, 1900: 121–122 (cat.); Kertész, 1908b: 125, 127 (cat.); Enderlein, 1921: 205 (com.); Gazulla & Ruiz, 1928: 298 (distr.); Enderlein, 1913b: 551 (suppl. descr., orig. des., as Beridops ), figs. 15 (antenna), and 16 (wing); Aubertin, 1930: 94 (list), 100, 102 (suppl. descr., antenna fig. 6, trichonota syn. of maculipennis ?); Lindner, 1943: 91 (list); 95 (suppl. descr., as separate species, trichonota syn. in error of Archistratiomys luctifera ); Stuardo, 1946: 63 (cat., trichonota syn. of maculipennis ); James, 1973a: 26.5 (cat.); James, 1973b: 12 (in key, com.); Woodley, 1995: 80 (cat.); 184, figs. 95–96 (male head), and 97–98 (fem. head), 185, figs. 99–102 (male term.); Woodley, 2001: 62 (cat.).

nigripes James, 1973b (paratype, Figs 38–40 )

Beridops nigripes James, 1973b: 12 ; 12 (in key); pl., fig. 1 (male term.).

Holotype: male ( CEUC = UMCE, currently in MEUC). Type locality: Chile, Coquimbo Province, Fray Jorge National Park, 15 km SW of Pachingo, 100–200 m. Distr.: Coquimbo Region: Limarí Province (Parque Nacional Bosque Fray Jorge, Termas Socos), Choapa Province (west of Canela Baja , Puerto Oscuro); Valparaíso Region: Valparaíso Province (Quebrada San Gerónimo); Metropolitana Region: Santiago Province (Las Condes, Quebrada de la Plata).

Refs.: Woodley, 1995: 80 (cat.); Woodley, 2001: 62 (cat.).

Comments. Of the 50 paratypes (36 males and 14 females) and the allotype mentioned in the original description ( James, 1973b), seven (sexes not stated) are deposited in the WSU collection (WSU No. 709; see Zack, 1984: 19) and another five currently in the CAS collection. A male paratype (labeled: Coquimbo, West of Canela Baja, 23.x.1961, L.E. Peña) is in the CNC collection ( Figs 38–40 ), which is not mentioned in Cooper & Cumming (1993). James (1973b: 13) mentioned several females that he believed to belong to the species but were not included in the paratype series due to their similarity with Beridops maculipennis ( Blanchard, 1852) . The depository institution of the remaining 37 paratypes and the allotype remains unknown.

penai James, 1973b (holotype, Figs 41–43 )

Beridops penai James, 1973b: 14 ; 12 (in key); pl., fig. 3 (male term.).

Holotype: male ( CNC, type number No. 13537; see Cooper & Cumming, 1993: 43). Type locality: Chile, Linares Province, Parral District. Distr.: Maule Region: Linares Province ( Las Cruces , Parral ); Araucanía Region: Cautín Province (12.3 km N Loncoche).

Refs.: Woodley, 1995: 80 (cat.); Woodley, 2001: 62 (cat.).

Comments. Of the 11 male paratypes and the allotype mentioned in the original description ( James, 1973b), one is deposited in the WSU collection (WSU No. 710; see Zack, 1984: 19), another two and the allotype are in the CNC collection (see Cooper & Cumming, 1993: 43). The depository institution of the remaining eight paratypes remains unknown.

Figures

FIGURES 28–37. Type specimens of Stratiomyidae. 28–30. Actinomyia eupodata (Bigot, 1879), female, holotype [NHMUK]. 31–37. Beridops abdominalis James, 1973b, paratypes (31–34. Male [FMNH] © Field Museum, Chicago, Illinois, USA; 35–37. Female [CNC]). Scale bar, 1 mm.

FIGURES 38–46. Type specimens of Stratiomyidae. 38–40. Beridops nigripes James, 1973b, male, paratype [CNC]. 41–43. Beridops penai James, 1973b, male, holotype [CNC]. 44–46. Hadrestia digitata James, 1975a, female, holotype [CNC].