— 429 



Oscar John (St.-Petersburg). 



Leucanitis indecora, a new moth from Turkestan (Lepido- 

 ptera, Noctiiidae). 



(with 7 figures). 



Head, thorax and abdomen dark grey, lighter on underside. 

 General colour of fore wings dark grey, of the same tint as the 

 thorax; the transverse band and half-band in the middle area only 

 indicated by a dark boundary-lin«', not, or hardly lighter than the 

 rest of the wing; transverse shade faintly indicated near apex only; 

 cilia white, intermixed with dark scales. Hind wings light grey with 

 a broad dark grey outer band from ai)ex to anal angle; the black spot 

 near outer margin between veins 2 and 4 more or less surrounded by 

 a lighter area: lunular spot on discocellulars black. Underside light 

 grey, fore wings Avith an oblong, hind wings with a lunular black 

 spot on discocellulars; both wings with a blackish transverse band 

 l)ei'ore outer margin; hind wings with a black spot between veins 

 2 and 4 near outer margin, corresponding with the spot on upperside. 

 Tibiae of all legs without armature. Length of fore wings from base 

 to apex IH— 17^/2 mm. 



Male copulntory apparatus (figs. 5 and 6): Valves membraneous, 

 broad, with rounded outer margin. Armature somewhat assymetrical: 

 right valve with a strongly chitinized ventral margin, which termina- 

 tes in a strong process at lower angle, clasper rather stout; left valve 

 only slightly chitinized at venti-al margin, process at angle weak, 

 clasper short and l)limt. Hoth valves l)ear a small ampulla and above 

 the latter a long and stout ])rocess emerging by about two thirds 

 al)ove the dorsal margin of the valves; underneath the am])ulla is an 

 oblong bristled prominence. Uncus long, sickle-shaped, with terniin;il 

 claw. Scaphium long, straight, reaching to ventral margin of i bi- 

 valves. Penis short, stout, with one thorn-like tooth on the vesica 

 and without any other outer or inner armature. 



Female genital apparatus: genital i)late idain (fig. H). Bursji 

 coj)ulatrix (fig. 4) bag-shaped, with a short, stout apjiendix from 

 which emerges the ductus seminalis; the latter comparatively short; 



PyccK. Энтом. Обозр. 1909. № 4. (Мартъ 1910 г.). 



6* 



