436 
LEPIDOPTERA. 
the inner hind angle. Of those that want this character on 
the fore wings, the largest American species, known to me, 
may be called Apatela Americana 24 (Fig. 216), which has 
been mistaken * for Apatela Acens, the maple-moth of Eu- 
rope. Its body and fore wings are light gray ; on the latter 
Fig. 216. 
there is a wavy, scalloped white line edged externally with 
black near the outer hind margin, and the usual round and 
kidney-shaped spots are also edged with black ; the hind 
wings are dark gray in the male, blackish in the female, with 
a faintly marked black curved band and central semicircular 
spot ; all the wings are whitish and shining beneath, with a 
black wavy and curved band and central semicircular spot on 
each ; the fringes are white, scalloped, and spotted with 
black. It expands from two inches and a quarter to two 
inches and a half, or more. This kind of moth flies only at 
night, and makes its appearance between the middle and the 
end of July. The cat- 
rig. 217 . erpillar (Fig. 217) eats 
the leaves of the va- 
rious kinds of maple, 
and sometimes also 
those of the elm, lin- 
den, and chestnut. It 
is one of the largest 
kinds ; and, early in October, when it arrives at maturity, 
[ 24 A. Americana is synonymous, with Acronycta acericola Guende. — Mourns,] 
* Sco Phalana Aceris, Smith, in Abbot’s “ Insects of Georgia,” p. 186, pi. 83. 
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