PACHYGASTRIA TRIFOLII. 15 



medicaginis just as commonly as the type, as well as many inter- 

 mediate forms. Staudinger observes that he has but few males from 

 Greece, but these are to be referred to the var. medicaginis, although 

 one from Milos reminds him of the Sicilian codes. Frey notes the 

 Swiss examples as being paler or yellower than the type. Chapman 

 notes that this form, as represented in .Constant's collection, is smaller, 

 paler, and washed out in appearance ; Benteli, that the specimens of 

 this form taken at Berne are chiefly males. Curtis notes that medica- 

 ginis is to be distinguished from P. trifolii by the abbreviated fascia at 

 the base of the forewings, and the obscure one across the hindwings, 

 whilst the breadth of that parallel to the outer margin of the forewings 

 is also greater, characters not included in the original description. 

 Standish obtained larvae near Lyndhurst at the end of June, these 

 were full-fed at the beginning of July, and imagines appeared 

 at the beginning of August. Ingpen also states that, in July, 1827, he 

 obtained larvae of trifolii Y&ax Brockenhurst, and bred a single example 

 of the aberration from one of the larvae, which did not differ from the 

 others that produced P. trifolii. Stephens notes examples in the 

 " Brit. Mus. Coll.," from Bristol (we cannot now trace these examples). 

 Riihl very rightly disputes (Soc. Ent., viii., p. 44) the statement of 

 Ochsenheimer "that all the earlier stages of trifolii and medicaginis are 

 very different." 



|3. var. ratamae, H.-Sch., " Svs.-Bearb.," figs. 152-3 (1851); vi., p. 51 (1852); 

 Staud., "Cat.," 2nd ed., p. 68 (1871); 3rd ed.,p. 121 (1901) ; Kirby, "Cat.," p. 829 

 (1892); Auriv., "Iris," vii., p. 151 (1894). Trifolii var., Hb., "Eur. Schmett.," 

 264 (1803) ; Rbr., "Cat. Lep. And.," pi. v., fig. 1 (1858). Retamae, Rbr., "Cat. 

 Lep. And.," p. 357 (1866). — Ratamae, Sppl. 152-153. Ochraceo-lutea, alis posteri- 

 oribus et anteriorum ciliis, strigis duabus transversis nee non ambitu stigmatis medii 

 albi ferrugineo-fuscis. — Fine pair sent by Pogge from Spain, s agrees best with fig. 73 

 of eversmanni but the wings rather narrower, the border of forewings straighter and 

 their tips more pointed ; the colour ochreous-clay-yellow ; the two transverse stripes, 

 the fringes, the circumference of a pure white central spot, and the whole hindwings, 

 red-brown with a slight violet tinge ; the hindwings with a faint lighter central stripe, 

 nearer the base than that of forewings. The ? agrees very well with figs. 122-123 of 

 terreni, the colour of the hindwings reddish-brown ; the two transverse stripes on 

 forewings, the circumference of the very small whitish central spot and the fringes 

 rusty-brown. The hinder transverse stripe not so dentated as in terreni, and not so 

 light towards the base. The forewings in both sexes a little darker beneath, all with 

 a broad transverse stripe beyond the middle (Herrich-Schaffer). Localities : 

 Morocco : common (Blackmore). Spain : Cadiz, Malaga (Ram bur), Bilbao, 

 frequent (Seebold). 



Rambur notes this form as having a yellow spot at the anal angle 

 of the hindwing, also that several specimens have the fringes yellow. 

 Chapman notes that the examples (from Spain), as represented in Con- 

 stant's collection, are yellowish-white, with dark median fascia, the 

 white stigma ringed with dark, the inner line dark, hindwings as in L. 

 quercits $ • Hofmann describes it as : " Forewings yellow, with brown 

 bands ; the hindwings brown." Staudinger diagnoses it as : " Alis 

 ant. flavidis, brunneo-fasciatis ; alis post, brunneis, saepius plus 

 minusve flavido-fasciatis. Andalusia — Gades." 



y. ab. iberica, Gn., "Ann. Soc. Ent. Fr.," 3, vi., p. 453 (1858); Staud,, 

 " Cat.," 2nd ed., p. 68 (1871); 3rd ed., p. 121 (1901); Kirby, "Cat.," p. 829 (1892) ; 

 Auriv., "Iris," vii., p. 151 (1894); Hofm., "Die Gross-Schmett.," p. 61 (1891); 

 Reutti, "Lep. Bad.," 2nd ed., p. 57 (1898).' Trifolii, Dup., " Hist. Nat.," iii., 7, lb ; 

 var., Rbr., " Cat. Lep. And.," pi. v., fig. 2 (1858). — I only possess the ? of this new 

 species, but it is so striking that one cannot doubt its distinctness. It has somewhat the 

 shape of P. trifolii, but all the wings are less thickly scaled and notably narrower. The 



