94 
LARVA. 
OVUM 
Young larva. .|Black, 
THE ENTOMOLOGIST. 
Pomonaria. 
..e-(9mall translucent 
with white 
spots and bars 
Second instar|Usual form of genus 
Full-grown 
..|Short, stout; pattern 
decided ; texture 
coarse; colour yel- 
lowish 
Isabelle. 
Lapponaria. 
Fairly large; glaucous|As in pomonaria 
green, more opaque 
&e. 
Green; striped 
mimic larch needles 
Pattern nearly 
Ground purplish. 
Greenish ; no spots,/As in pomonaria, but 
with more whitespots 
on spiracular stripe 
to|As in pomonaria 
the/Longer; skin texture 
same asin pomonaria.| fine; stripes degraded 
as in zonaria 
Larch—refuses other|Birch, Erica, Myrica 
gale, many trees and 
shrubs 
As in pomonaria— 
shorter 
Pattern as described. 
Red median stripe 
and white outlines 
of patagia very clear 
Food........|Oak — most forest 
trees foods 
PUPA ele aiecss's Red brown, rather] Yellower brown 
polished 
Antenne ..../Tip clear Tip clear 
Collar ......|Broad white Narrow white 
Thorax......'Pattern as in descrip- 
. tion of isabelle, but 
g coarser, and colours 
4 less decided; whole 
a much paler 
3 Fore wings ..'Long—tip rounded As in pomonaria 
- Fringes .. White; black spots atiNarrow; black 
ends of veins; fairly 
broad 
Valvesof geni- Tip rounded, as in 
talta: jelem crc hirtaria narrower 
As in pomonaria, but 
Pectinations indi- 
cated at tip 
Black 
Much broader. No 
pattern, medio dorsal 
red stripe clear; fur 
paler laterally 
Shorter and broader ; 
tip angular 
Broad ; silky dark fus- 
cous, like zonaria 
Tip with definite 
angle as in zonaria 
FEMALE IMAGO. 
Antenne ....|Rather thin; black |Thick; pale 
Thorax andjColour black, irregu-|Scales redder, simi- 
abdomen larly speckled with) larly scattered. Few 
rusty scales. Hairs} pale scales. Hairs 
short pale much longer and 
paler 
Wings ......|Rudimentary, very|Much longer; scales 
short, with rusty) redder, but some 
scales and few pale| almost white scales 
hairs present. Hairs much 
longer 
Whole outline/Long As in pomonaria 
of insect 
Thin; black 
Red scales definitely 
massed in a broad 
median stripe down 
both thorax & abdo- 
men; hairs pale short 
Variable in size, but 
never so long as 
in isabelle. Hairs 
darker and shorter 
Shorter and rounder 
