252 



it, and the blots on the sides are almost or entirely want- 

 ing, leaving the whole a uniform pale yellowish-green. 



It feeds on the wood angelica (Angelica sylvestris^), and 

 cow-parsnep (Heraclium spondylium). 



The date of the appearance of the caterpillar is in 

 August, September, and October. 



The chrysalis is enclosed in an earthen cocoon. 



I have to thank the Rev. Joseph Greene, Rector of 

 Cubley, near Doveridge, Derbyshire, for the accounts 

 of this and the following new British species. 



EUPITHECIA TRISIGNARIA. 

 Plate XXX. Figure 23. 



THIS insect measures three quarters of an inch, some- 

 times reaching to nearly an inch in expanse. 



Male : fore wings dull brown, with indistinct transverse 

 shadings, somewhat paler; the line along the outer mar- 

 gin pale and sometimes very obscure. Central spot very 

 large, black, and gradually shading off; on the upper 

 margin are some dark shades. Hind wings uniformly 

 dull greyish-brown; the central spot very indistinct. 



Localities for this species are near Cubley, Derbyshire. 



The situations in which it is found are woods in damp 

 places. 



The perfect insect appears in June. 



The caterpillar is of a pale green ground colour, with a 

 line along the back, and another on each side of it of 

 dark green, the latter broader than the former; the side 

 line whitish and waved; the head black. Underneath 

 green, with a central yellowish line. 



