OPISTHOGRAPTIS 203 



or in the ground. One or two of these larvae are "cannibals," 

 feeding on other larvce when they have an opportunity. 



GENUS OPISTHOGRAPTIS. 

 Opisthograptis, Hiibner, Verz. bek. Schmett. p. 292 (1822?). 

 Kuinia, Duponchel, Lepid. France, vii. (2), p. 117 (1829); 

 Guenee, Spec. Gen. Lepid. Uran. et Phal. i. p. 108 (1857). 

 The antennse are simple, the palpi short and hairy, and 

 the hind tibice are not swollen, but armed with short spurs. 

 The wings are entire, and the fore- and hind-wings are nearly 

 uniformly coloured. The larvse are remarkable for possessing 

 fourteen legs, having two rudimentary pairs in front of the 

 usual pair of pro-legs ; and dorsal and lateral appendages on 

 some of the hinder segments. They feed on trees, and the 

 pupte are enclosed in strong cocoons attached to the branches. 



BRIMSTONE MOTH. OPISTHOGRAPTIS LUTEOLATA. 

 {Plaie CXLVL, Fig 2.) 



Geometra luteolata, Linnsus, Syst. Nat. (ed. x.), i. p. 525, 



no. 168 (1758). 

 Geometra cratcegata, Linnaeus, Faun. Suec. p. 336 (1761); 



Hiibner, Eur. Schmett. v. fig. 32 (i297)- 

 Ennomos cratcegata, Treitschke, Schmett. Eur. vi. (1), p. 41 



(1827). 

 Riimia cratcegata, Stephens, 111. Brit. Ent. Haust. iii. p. 174 



(1831); Buckler, Larvce of Brit. Lepid. vii. pi. 106, 



fig.5-5 c (1897). 

 Rumia luteolata, Kirby, Eur. Butterflies and Moths, p. 305. 



pi. 44, figs. 2-2 b (1881). 



The Brimstone Moth is common throughout Europe, Asia 

 Minor, and Siberia. The wings expand from an inch to an 

 inch and two-thirds. 



