CABER A. 229 



Cabera, Treitschke, Schmett. Eur. vi. (i), p. 343 ( l82 7> ; 

 Guenee, Spec. Gn. Le"pid. Uran. et. Phal. ii. p. 52 

 (1857)- 



Three British species, two of which are very common, belong 

 to this, the typical genus of the family. 



THE WHITE WAVE. CABERA PUSARIA. 



Geometra pusaria, Linn. Syst. Nat. (ed. x.), i. p. 522, no. 150 

 (1758); id. Faun Suec. p. 329, no. 1251 (1761); Clerck, 

 Icones, pi. 3, fig. 6 (1759); Esper, Schmett. v. p. 177, 

 Taf. 31, figs. 12-13 ( I 795 ? ); Hiibner, Eur. Schmett. v. 

 fig. 87(1798?). 



Cabera pusaria, Treitschke, Schmett. Eur. vi. (i), p. 344 (1827) ; 

 Stephens, 111. Brit. Ent. Haust. iii. p. 196 (1831); Kirby, 

 Eur. Butterflies and Moths, p. 311. (1881); Buckler, 

 Larvae of Brit. Lepid. vii. pi. 120, figs. 2-2 b (1897). 



The White Wave. 



The White Wave is common throughout the greater part of 

 Europe and Western Asia. It expands from an inch to an 

 inch and a quarter. It is white with three grey transverse 

 lines across the fore-wings, and two on the hind-wings. The 

 first and third lines are sharply defined, but the second is 

 somewhat less distinct. All the wings are sprinkled with grey 

 dots. The larva feeds on birch, beech, elm, willow, &c., and 

 is found from June to September. It is slender, and varies 

 much in colour, and may be green, yellowish, or brown. On 

 the last segment are two raised projections. Some specimens 



