48 SYNOPSIS OF LAEV.E. 



1. Greenish larvce, without markings, covered more 

 or less (especially when young) with a whitish exuda- 

 tion. TricMosoma, Clavellaria, Gimbex. 



2. Not greenish, with orange and other markings. 

 Abia, Zarcea. 



B. Not ejecting a liquid from lateral pores. Spin- 

 ning a simple close cocoon, not ejecting a liquid from 

 the mouth, often giving out a resinous exudation, often 

 social, never rolling themselves up into a ball, and 

 always attached to Coniferce or juniper. Lopliyrus, 

 Monoctenus. 



1. Greenish (rarely blackish or brownish) larvse 

 without definitely arranged spots or markings, some- 

 times with lines proceeding from the centre of the 

 back to the sides in the direction of the tail ; generally 

 lighter on the sides than on the back, resting with the 

 body rolled up into a ball, often changing colour before 

 pupating. 



a. Pupating in stems, never with lines down the 

 back ; generally dark green on the back and dirty 

 white on the sides. Empliytus, Taxonus, Poecilosoma 

 luteolum. 



b. Pupating in the earth, with or without spinning 

 a cocoon, sometimes with lines arranged down the 

 back; often ejecting from the mouth a brownish 

 liquid when alarmed. Tenthredo, Macropkya, Allantux. 



c. Larvae for the greater part white and covered with 

 a whitish exudation. 



1. Head reddish-yellow, feeding on oak. Emphytus 

 serotinus. 



ii. Head not reddish, feeding on alder. 



The exudation in flakes, covering all the body 

 spinning a cocoon becoming pale green at last moult. 

 Eriocampa ovata. 



The exudation powdery, not spinning a cocoon, 

 losing the exudation and becoming pale green before 

 pupating. Poecilosoma pulveratum. 



2. Greenish larvae without regularly arranged stripes 

 or spots, not resting rolled up into a ball, usually 



