Andrenosoma atrum ( Linnaeus, 1758 )

García, Marta, Pérez, Guillermo & Portillo, Manuel, 2017, Taxonomic review of the species of Andrenosoma (Diptera: Asilidae) in Spain and description of a new species, Zootaxa 4299 (3), pp. 423-431 : 425-426

Andrenosoma atrum ( Linnaeus, 1758)

Andrenosoma atrum ( Linnaeus, 1758) : 605. Asilus atrum Linnaeus, 1758: 605 .

Erax prostratum Scopoli, 1763: 359 .

Laphria violacea Meigen, 1804: 262 (misidentification).

Diagnosis. Male and female with fully black bluish shiny body, very smoky wings and black mystax.

Description. Medium sized species (15 ̶ 20 mm), black bluish color and black short setosity on thorax and abdomen. Head. Face and facial gibbosity with black and white setae in female and only black in male; beard white. Antennae with black and white setae; third antennal segment at least longer than first two segments and with pruinosity. Thorax without tomentum, with long black and white setae laterally and posteriorly; black scutellar setae. Wings very smoked and with first posterior cell closed and stalked ( Fig. 2 a). Legs black with abundant black and white setae; tibia and tarsus robust. Abdomen. Black bluish with black setae. Male terminalia with yellow setae and a very developed gonostylus ( Fig. 2 b) with short apical tip and longer superior one, sometimes two. Female terminalia long, tubular and with black and white setae.

Biology and ecology. Flight period June to October. They are commonly perched on stumps in the forest edge and forest clearings, mainly of conifer woods, located between 900m and 1500m above sea level. They feed basically on hymenopterans and other dipterans ( Broek & Schulten, 2013; Musso, 1970).

Specimens examined. SPAIN. Province of Ávila : Castañar del Tiemblo (El Tiemblo), (40° 21' N, 4° 30' W), 900 m, 20/09/2007, G. Pérez Andueza, 1♂ ; El Regajal (El Tiemblo), (40° 21' N, 4° 31' W), 1100 m, 19/10/2008, G. Pérez Andueza, 1♀ ; La Barranca (El Tiemblo), (40° 21' N, 4° 31' W), 1100 m, 19/09/2008, G. Pérez Andueza, 2♂ and 1♀ ; Navarredonda de Gredos , (40° 20' N, 5° 09' W), 1400 m, 05/10/2007, G. Pérez Andueza, 1♂ ; Puerto de Casillas (Casillas), (40° 20' N, 4° 34' W), 1450 m, 19/10/2007, G. Pérez Andueza, 1♂ and 1♀ ; Puerto de Casillas (Casillas), (40° 20' N, 4° 34' W), 1450 m, 19/09/2008, G. Pérez Andueza, 1♂ ; Puerto de Casillas (Casillas), (40° 20' N, 4° 34' W), 1450 m, 10/10/2008, G. Pérez Andueza, 1♂ ; San Juan de la Nava , (40° 28' N, 4° 41' W), 1115 m, 16/ 09/1989, J.J. Pedrero, 1♀ . Province of Barcelona : Vallvidrera, (41° 25' N, 2° 05' W), 362 m, 09/1892, E. Gobert, 1♀ . Province of Ciudad Real : Lagunillas N- 530 (a 10 km de Luciana), (39° 01' N, 4° 24' W), 700 m, 25/09/1997, M. Portillo, 1♂ and 1♀ . Province of Huesca : Jaca, (42° 35' N, 0° 32' W), 818 m, 07/1913, J. Arias, 1♂ and 1♀ . PROVINCE OF SALAMANCA: Nava de Francia , (40° 32' N, 6° 07' W), 1041 m, 20/10/1996, M. Portillo, 1♂ . Province of Soria : Vinuesa, (41° 54' N, 2° 46' W), 1105 m, 18/09/1997, M. Portillo, 5♂ . Province of Valladolid : San Miguel del Arroyo, (41° 26' N, 4° 27' W), 814 m, 24/09/1988, S. Fdez. Gayubo, 1♀ .

Distribution. Paleartic Region: Austria, Bosnia, Bulgaria, Croatia, Czech Republic, Denmark, France, Germany, Greece, Italy, Poland, Romania, Russia, Slovakia, Spain, Sweden, Switzerland, Serbia, Canary Islands and Algeria. In Spain had been cited by Lehr (1988) (without specifying location), by Czerny & Strobl (1909) in El Escorial (Province of Madrid), by Arias (1912) in Madrid, Mallorca and by Pérez Andueza & Portillo (1991) in San Juan de la Nava (Province of Ávila).

Figures

FIGURES 1 – 5. Wing (a) and Dististylus (b) of Andrenosoma: A. albibarbe (fig. 1); A. atrum (fig. 2); A. bayardi (fig. 3); A. biacuminatum (fig. 4); A. cyrtoxys (fig. 5).