NOTES ON EUPITHECIA LARV.E. 143 



The larva of this insect, when full fed, comes out of the 

 sallow catkins, and spins a slight cocoon amono; earth, roots 

 of grass or moss. The pupa is pale golden yellow. Ab- 

 dominal divisions dusky. Thorax aad wing-cases having a 

 slight greenish tinge. Eyes prominent, blackish. Abdomen 

 short and curtailed. 



EwpitJiecia ahhreviata. Slender, hairy, tapering towards 

 the head. Ground-colour pale yellowish-red. Central dor- 

 sal line pale olive. Down the centre of the back a series of 

 pale olive, V-shaped spots, sometimes bordered with yellow. 

 Spiracular line yellowish. Segmental divisions red. Central 

 ventral line yellowish, sometimes altogether wanting. Dor- 

 sal spots frequently merged in a broad central line. The 

 whole of the markings on this larva vary much in intensity 

 of colouring, but are usually faint and indistinct. Feeds on 

 oak. Full fed the beginning of July. Pupa enclosed in a 

 slight earthen cocoon ; bright red; thorax and wing-cases 

 paler than abdomen ; base of wing-cases dusky ; abdominal 

 divisions and tip deep red. Perfect insect appears at the end 

 of April and in May. 



Eupithecia exJguata. This larva somewhat resembles that 

 of the liitle blue emerald (lodis lactearea), and appears at 

 the same time. It is long, slender and tapering. Ground- 

 colour dark green, with a central row of small dull red 

 lozenge-shaped dorsal spots, connected by a central dorsal 

 line of the same colour. Spiraculai* line red, bordered with 

 yellow. Segmental divisions yellowish. The dorsal blotches 

 are often wanting on the anterior segments, and their place 

 supplied by a greenish line. In the centre of each dorsal 

 blotch a small yellow spot. Feeds in September and 

 October, on barberry, white-thorn, black currant, ash, alder 

 sallow, blackthorn, snow-berry and dogwood. Pupa en- 

 closed in an earthen cocoon ; long, slender and tapering. 

 Wing-cases dark olive-green. Thorax and abdomen dusky 



