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The caterpillar is yellowish grey with a greenish 
line along the back and another on either side of it, 
the second segment pale dull yellowish with black 
spots behind; the head dull reddish yellow. 
The date of the appearance of the caterpillar is in 
September. 
It feeds on the sloe. 
MACROCHILA MARGINELLA. 
Plate CXI. Figure 20. 
Localities for this species are Brighton, Newcastle- 
on-Tyne, Sanderstead. 
The perfect insect appears in July and August. 
The caterpillar is greyish above, dull yellowish on 
the sides, with a reddish brown line along the back 
and another on either side below it, the second seg¬ 
ment with a black blot behind; the head reddish 
brown. 
It feeds in a web on the end shoots of the juniper. 
MACROCHILA USTULELLA. 
Plate CXII. Figure 1. 
Localities for this species are near Worcester. 
The perfect insect appears in June. 
It feeds between the leaves of the elm. 
H. T. Stainton, Esq., has obligingly lent me a 
specimen of this species to figure on the plate. 
