26 
It feeds on the stems and branches of the poplar, 
the aspen, and, it is said, the beech. 
SESIA BEMBICIFOKMIS. 
LUNAR HORNET SPHINX. 
Plate VI. Figure 8. 
This insect measures from one inch and not quite a 
quarter to one and three quarters. Male : front wings 
transparent; the upper edge yellowish brown; the outer 
edge brown. Hind wings also transparent, the fringes 
yellowish brown; the head dull black; the thorax the 
same, with a yellow collar; the body bright orange 
yellow, the first and second segments black, as is the 
hinder margin of the third and of the fourth, the re¬ 
mainder of the last-named dark reddish brown. 
Localities for this species are Canterbury, Darenth 
Wood, and near Hammersmith, Cambridge, Scarborough, 
York, Manchester, Preston, Newcastle, Dudley, and 
Coventry. 
The situations where it is found are osier and willow 
beds. 
The date of the appearance of the perfect insect is 
in July. 
The caterpillar is dull white with a brown spot on 
each side. 
The dates of the appearance of the caterpillar are 
from September to May, when it turns to the chrysalis 
state. 
It feeds on the stems and branches of the sallow. 
