Diglyphus sabulosus Erdös

Figs 17, 18, 41, 69, 70, 78

Diglyphus sabulosus Erdös, 1951:197, lectotype female in HNHM, examined. Diglyphus sabulosus; Thuróczy, 1992: 167, lectotype designation.

Diagnosis. Scape white with apical ⅓–½ dark brown (Figs 69, 70); legs (Fig. 41): fore femur with basal ½ dark brown and metallic and apical ½ yellowish-white, mid femur with basal ½–¾ dark brown and metallic and apical ⅓–½ yellowish-white, hind femur with basal ¾ dark brown and metallic and apical ⅓ yellowish-white; fore tibia lightly infuscate, mid tibia yellowish-white, hind tibia yellowish-white with a dark brown ring close to base but occasionally completely pale; fore wing speculum bare or with a few scattered setae (as in Fig. 72); male gaster completely dark and metallic (Fig. 18).

Material. France: 3♀ (BMNH) . Italy: 7♀ 25♂ (PN) . Romania: 19♀ 3♂ (BMNH) . Russia: 2♀ (ZISP) . Spain: 1♀ (BMNH) . Sweden: 7♀, of which 5♀ are reared from Agromyza rondensis Strobl 1900 on Elytrigia repens Desv. ex Nevski 1933 (Poaceae) (BMNH, MZLU) .

Distribution. Czech Republic (Bouček & Askew 1968), Hungary (Erdös 1951), Italy *, Romania (Bouček & Askew 1968), Russia *, Slovakia (Kalina 1989), Sweden (Hedqvist 2003), Turkey (Yefremova et al. 2011), Ukraine (Bouček & Askew 1968).

Remarks. The male paralectotype of D. sabulosus we have examined (in HNHM) belongs to D. puszte nsis. The specimens collected in Sweden and Italy show a marked preference for Agromyzidae mining Poaceae .