LEPIDOPTERA . 
339 
as the preceding, and resembles it somewhat. It lacks, 
however, the line of scales in the discal cell, and the body 
is more nearly yellow. This color probably suggested the 
name Bumblebee Hawk-moth, given to this insect nearly 
one hundred years ago by Smith and Abbot. The larva 
feeds on the bush honeysuckle ( Diervilld ) and the snow- 
berry ( Symphoricarpus ). 
Superfamily SATURNIINA (Sa-tur-ni-i'na). 
The Saturnians (Sa-tur'ni-ans). 
The group of families constituting the superfamily Sa- 
turniina includes the largest of our native moths; in fact 
nearly all of our very large moths belong to it; but it also 
includes a considerable number of species of moderate size. 
These moths are most easily distinguished from other 
moths by the structure 
of the wings (Fig. 417). 
Here, as with the Skip¬ 
pers and the Butterflies, 
the frenulum is lost (or 
nearly so in the low¬ 
est family), and its place 
is taken by a greatly ex¬ 
panded humeral angle 
of the hind wing, which, 
projecting under the 
fore wing, insures the 
acting together of the 
two in flight without the 
aid of a frenulum. This 
losing of the frenulum 
is also characteristic of 
the Lasiocampidae. But 
the Saturnians differ „ 
# Fig. 417.—Wings of Citheronia regalis % 
from this family in that 
vein V, arises midway between radius and cubitus, or is 
