194 SPAN-WORMS. 
with black. She is equipped with a jointed ovipositor, 
which can be lengthened or shortened at will, and which is 
used to deposit the eggs. The male has large and delicate 
wings and feathered antenne. The fore-wings are of a 
rusty-buff color, with two transverse wavy brown lines, the 
Fig. 193.—Hybernia tiliaria Harr. From Div. of Entomology, 
Dep. of Agriculture. 
inner often indistinct, while between the bands and near the 
edge of the wings there is generally a brown dot. The 
hind-wings are paler, with a small brownish dot in the 
middle; the body is similar in color to the fore-wings, which 
measure, when expanded, about an inch and a half across. 
‘The females, as soon as they emerge from the ground, late 
in October or even early in November, climb up the trees, 
and, after mating, deposit their oval pale-yellow eggs, cov- 
ered with a net-work of raised lines, in little clusters on the 
branches. 
