Andrenosoma cyrtoxys Séguy, 1952

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 : 428

Andrenosoma cyrtoxys Séguy, 1952

Andrenosoma cyrtoxys Séguy, 1952: 195 .

Diagnosis. Despite its similarity with Andrenosoma albibarbe and Andrenosoma bayardi , the characteristics of male terminalia led us to confirm it as a valid species.

Description. Medium size species (14 ̶ 17 mm), black and scarcely pilose. Head. Face, facial gibbosity and beard with white setae. Antennae with strong black setae. Thorax with black or white setae dorsally and long, strong, black, long setae laterally. Wings. First posterior cell open at wing margin ( Fig. 5 a). Abdomen. Tergites IV ̶VII are red medially. Black legs with white setae, most abundant on the coxae. Bright black male terminalia with gonostylus with a toothed blade on superior edge ( Fig. 5 b). Variability. Some specimens with black and white setae on facial gibbosity.

Biology and ecology. Flight period from April to June. They perchin sunny forest clearings, mainly pine woods, between 800m and 1500 m above sea level.

Specimens examined. SPAIN. Province of Ávila : Camino del Pozo de la Nieve (El Tiemblo), (40° 21' N, 4° 31' W), 1100 m, 06/06/2008, M. Portillo, 2♂ ; Monte de Utilidad Pública 19 (Pedro Bernardo), (40° 14' N, 4° 56' W), 800 m, 07/04/1995, G. Pérez Andueza, 1♂ ; Puerto de Casillas (Casillas), (40° 20' N, 4° 34' W), 1450 m, 24/06/ 2008, M. Portillo, 1♂ ; Puerto de Casillas (Casillas), (40° 20' N, 4° 34' W), 1450 m, 14/05/2009, G. Pérez Andueza, 1m.

Distribution. Paleartic Region: France and Italy. This is the first report of the species from Spain.

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).