Lithosiidae 
the nind wing is slightly produced at the anal angle. Here 
come two of the species found in our fauna, /. schwar^iorum 
and /. unifascia . In the third section, typical Mice, fall the 
species in which the anal angle is not produced. Here are 
placed five species. The student may find the following key 
helpful in determining his specimens: 
A. Hind wing slightly produced at the anal angle. 
Lappets and markings of fore wing yellow, hind wings 
crimson, fuscous at apex. 
i. Fore wing with the band across the wing crimson on the 
inner margin. schwarziorum Dyar 
2. Fore wing with the band across the wing not crimson on 
the inner margin... unifascia Grote 
B. Hind wing not produced at the anal angle. 
Abdomen crimson; fore wing slaty-gray in ground color, 
i. Fore wing with crimson patch on the costa. subjecta Walker 
2 Fore wing without crimson patch on costa, and with a pink 
streak on the inner margin at the base. . l.striqta Otjolengui ^ 
3. Fore wing with whitish patch about the middle of the inper 
margin. plumbea Stretch 
Abdomen orange or yellowish. 
1. Hind wing pale yellow, with apex blackish.. .nexa Boisduval 
2. Hind wing smoky-gray. faustinula Boisduval 
Fig. 55 .—Illice unifascia, $ . i. 
(After Hampson.) 
(1) Illice unifascia Grote 
& Robinson, Plate XIII- Fig. 
36, ?. (The Banded Lichen- 
moth.) 
Syn. ienuifascia Harvey. 
The insect ranges from 
the Ohio Valley southward to 
Texas, and from Virginia to Florida. The transverse band 
is often interrupted in the 
middle of the wing, and there 
is variation in the color of 
the hind wings, which, while 
usually red or crimson, may 
Fig. 56 .—mice subjecta, $ . f aIs0 be orange, or even 
(After Hampson.) yellow. 
(2) Illice subjecta Walker, Plate XIII, Fig. 35, $ . (The 
Subject Lichen-moth.) 
Syn. packardi Grote. 
IO9 
