L. farinata (Hufnagel)
(Figs. 21, 47)
Phalaena farinata Hufnagel, 1767: 610 . Types not traced. Type locality: Berlin.
Geometra illibata [Denis & Schiffermüller], 1775: 116. Types not traced. Type locality: Vienna.
Geometra nivearia Hübner, [1799]: pl. 41, fig. 217. Types not traced. Type locality: Europe.
Phalaena albaria Turton, 1802: 241 . Types not traced. Type locality: Austria.
Lithostege farinata bachmutensis Prout, 1938: 239, pl. 18, g. Syntypes in BMNH (not examined). Type locality: Bakhmut (Ukraine).
Lithostege farinata: Prout, 1914: 172, pl. 6d; Prout, 1937: 83; 1938: 238; Viidalepp, 1996: 47; Parsons et al., 1999: 546.
Material examined. More than 500 specimens from different European countries in SMNK, ZSM, ZFMK. Here we mention just data of specimens with genitalia preparation: 1 3: Falknerstein, Austria inf. 2.V.1951, coll. H. Reisser, Wien, prep: 776/2009 H. R.; in SMNK. 1 3: Hainburg, N. Österr[eich], 24.5.1963, leg. Dr. Sielmann, prep: 1054/2010 H. R.; 1 3: Süd-Frankreich, Provence Le Castellet, 19.5. 1974, 600m, leg. P. Kuhna, prep: 1609/ 2011 H. R.; 1 3: Austria, Burgenland, Neusiedl, 12.7.65, P. Kuhna, prep: 1610/2011 H. R.; all in ZFMK. Preparations of genitalia: 4 3. Determination verified, based on comparison with identified specimen, and the identification key of Amsel (1935).
Description & Diagnosis. Wingspan 27–30 mm. Forewing milk-white to creamy-white, hindwing of a lighter white, fringes white. Pattern elements absent, except some weak dusting with grey scales on forewings. Underside darker, forewing of a brownish-grey, hindwings of a milky white, with a dark discal spot (Fig. 21). Male genitalia (Fig. 47) characterized by an elongated valve, the strongly sclerotized costa reach only half the length of the valve, terminating with a short, pointed, apical projection; harpe a broad, lobe-like process near the centre of the valve, pointed distally, with a narrow basal arm; dorsal arm narrow, elongated, terminally with a few spines, running parallel to valve costa, hardly reaching its tip; uncus shorter than in L. coassata, L. ancyrana, L. griseata and L. palaestinensis; juxta vase-shaped and elongated (longer than other species of the farinata group); saccus broad, elongated, trucate distally, aedeagus extremely long and narrow (both much longer than all other members of the group, Figs 47 –53).
Bionomics. Hostplants: Sisymbrium officinale, Sinapis arvensis, Alliaria petiolata, Raphanus raphanistrum . The species flies from the beginning of May to July (Heinicke & Müller, 1976).
Distribution. Reported from many European countries including European Russia; also from Caucasus, Transcaucasus and Turkey (FAUNA EUROPAEA, 2011; Viidalepp 1996). Not recorded from Iran.