34 COLEOPTERA. 



matter, is also of use to fix the larva to the leaf. 

 Several species of these larvae occupy one and 

 the same leaf, which they quietly gnaw together. 

 When about to be transformed, which happens 

 in the month of June, they fix themselves by 

 their glutinous knob to a leaf, and the chry- 

 salis, in about a fortnight, gives way for the per- 

 fect insect. 



SPECIFICATION. 



Chrysomela pallida. Ch. ovata, flavescens, oculis 

 nigrts. Linn. Si/st. Nat. l.p. 589. Gmel. l.p. 1676. 

 Fabr. Si/st. Ent. p. 99. Spec. Ins. l.p. 122. Mant. 

 Ins. 1. p. TO, 

 Panzer, Faun. Ins. Germ. fast. 78. /. 4. 

 Inhabits the willow, birch, ash, &c. Fabricius con- 

 sidered this species to be the same as the black-eyed 

 Crioceris of Geoffroy, 1. p. 243, but Olivier and Panzer 

 are of a different opinion. 



PI. 11. a. Natural size. b. The same magnified. 

 c. A horn. 



