88 
ODENESTIS POTATORIA. 
DRINKER. 
Plate XV. Figure 2. 
This insect measures from two inches to two inches 
and a half or nearly three inches across. 
Male: fore wings dull brownish-red, with a dark line 
running slantwise from the outer corner to the lower 
margin, with more or less of dull yellowish or a paler 
shade of red along its outside and from its base to the 
inner corner, in some specimens there is another line 
across the wing within, also a yellowish-white spot near 
but above the middle, with (in some individuals) a pale 
mark spread from it outwards, and a spot or speck of the 
same above it, near the upper edge. Hind wings dull 
brownish-red. The antennae are beautifully pectinated. 
Female : fore wings dull yellow, paler or deeper in 
different specimens, with a rather small yellowish-white 
spot in the centre, and sometimes another between it and 
the upper margin, also a darker line slantwise from the 
outer corner to the lower margin, and in some specimens 
another across near the inner corner. Hind wings dull 
yellow, with a darker line across them. 
This species is subject to very considerable variety. 
Localities for this species, which is a very common one 
throughout the country, are Charmouth, Nafferton, Wicken 
Fen, Faversliam, Sheppy, Bisterne, Barnstaple, Bolton, 
Glasgow. 
The perfect insect appears in July and August. 
The caterpillar is rather dark dull bluish-grey, much 
freckled with two rows of orange dots on each side below 
the back, a yellowish line on each side, with short tufts of 
white hair above the feet, and slanting yellowish-orange 
streaks on the sides, 
