BRITISH AKD EUROPEAN BUTTERFLIES AND MOTHS. 



183 



A. virgularia, Hiibn. The Small Dusty 

 Wave is whitish grey thickly dusted with 

 darker, with two dark transverse lines on the 

 hind wings and three on the fore wings, the 

 outer one dotted with black on the ner- 

 vures, especially towards the costa. There are 

 two distinct light submarginal lines uniformly 

 shaded with darker on both sides, an inter- 

 rupted dark marginal line, dark dots at the 

 ends of the nervures on the fringes and 

 dark central dots on all the wings. It is 

 common in Central and Southern Europe in 

 July and August, especially on walls and rocks. 

 The larva is grey, with a row of dark lozenge- 

 shaped spots on the back. It feeds on low 

 plants in Spring and Summer. 



A. straminata, Treit. The Dotted -bor- 

 dered Cream Wave is greyish white, slightly 

 reddish, heavily dusted with darker, with three 

 dark transverse lines on the fore wings, two 

 on the hind wings, and a submarginal line 

 uniformly shaded with darker on both sides. 

 There is a dark central dot on all the wings 

 and sharp black dots on the fringes at the 

 ends of the nervures. It is found in woods 

 in Central Europe, and is on the wing in July. 

 The larva is light yellow with slender dark 

 lines and lozenge-shaped spots. It feeds on 

 thyme in May. 



A. pallidata, W. V. Wings yellowish 

 brown in the male, white in the female, finely 

 dusted with black. The three dark transverse 

 lines and the somewhat lighter submarginal line 

 are very indistinct. There are no other dark 

 markings. The hind wings have two transverse 

 lines. On the under side there is a brown 

 central dot on all the wings. The hind legs 

 are rather stunted in the male. It is common 

 in woodland pastures in most parts of Europe 

 in June and Julv. 



A. subsericeata. Haw. The Satin Wave. 

 Fore wings whitish, with four slightly sinuated 

 greyish transverse lines, a dark central spot 

 and rather indistinct spots on the hind margins. 

 It is found in Southern and West-Central 

 Europe in June. The larva is clay-coloured, 

 with a yellow lateral and light dorsal line. It 

 feeds on grass in April. 



A. laevigaria, Hubn. is ashy grey with 

 two dark transverse lines on the hind wings 

 and three on the fore wings, the first and 



third of which are most sharply defined, the 

 third being expanded into dots on the nervures. 

 Between the first and second transverse lines 

 a dark line runs from the inner margin of the 

 fore wings across the hind wings. The submar- 

 ginal line, which is indistinct, the marginal 

 line between the nervures, and the fringes and 

 ends of the nervures are dark. There is a 

 black central dot on all the wings. It is found 

 in South-Central and Southern Europe in July. 



A. obsoletaria, Ramb. is reddish grey, 

 not dusted with black. There are the usual 

 transverse lines, a submarginal line, shaded 

 with darker on both sides, and four central 

 dots, but no dark marginal line, and only 

 slight dots on the fringes at the ends of the 

 nervures. It is scarce and local in Southern 

 and South-Central Europe. 



A. herbariata, Fabr. The Herbarium 

 Wave is straw-coloured, with the transverse 

 lines broad and brown, and with sometimes 

 a dark band between the first and second. 

 The inner border of the strongly curved sub- 

 marginal line is especially broad and dark. 

 The fringes on the marginal line are darker 

 between the nervures. The dark central dot 

 on the fore wings is often wanting. It is found 

 in Central and Southern Europe in July. It 

 is extremely rare in England. 



A. bisetata, Hufn. The Small Fan-footed 

 Wave is bright straw-coloured, with three 

 dark transverse lines on the fore wings and 

 two on the hind wings. There is a dark 

 central dot on all the wings and the nervures 

 are similarly dotted at the ends. The submar- 

 ginal line of the fore wings is spotted with 

 dark towards the base except in cell 4. It 

 frequents meadows in most parts of Europe 

 in July. The larva is greyish brown, and feeds 

 on dandelion till April. 



A. trigeminata. The Treble Brown-Spot 

 Moth is bright straw-colour with brown trans- 

 verse lines, black central dots and fringes, 

 dotted with black at the base. The submar- 

 ginal line of the fore-wings is darkly spotted 

 towards the base. It is common in Southern 

 and Central Europe, in July. The larva is 

 flesh-coloured and feeds on various plants till 

 April. 



A. filicata, Hilbn. is white with the basal 

 half of the fore wings brown. There are three 



