224 
LARGE SWORD-GRASS MOTH. 
Calocampa Exoleta. 
PLATE XXII. Fig. 2. 
Pha]. Noct. Exoleta, Linn. ; Don. vi. PI. 187, larva , — Noctua 
Exoleta, Hubner. — Sword-grass Moth, Wilkes., PI. 18, Harris, 
Xylina Exoleta, Curtis' B. E. vi. PI. 256.^ — Calocampa Ex- 
oleta, St^h. » 
Antenna: setaceous, rather stout in the males, each 
joint ciliated beneath with hairs ; the proboscis as 
long as the antenna ; palpi entirely covered with 
long trigonate scales, the Joints robust, the second 
double the length of the first, the terminal one 
short and ovate, with the apex truncate ; head with 
a frontal crest; anterior wings long and narrow, 
scarcely wider at the hinder margin (which is 
dentate) than towards the base ; thorax quadrate, 
slightly crested, and three-lobed behind ; the abdo- 
men depressed, in the male with the apex triangu- 
lar ; such are the principal attributes of the present 
genus, and which serve to distinguish it fi-om Xylina, 
with which it has generally been associated. , Only 
two species are found in this country, and one of 
them, C. Vetusta, is very rare. They bear con- 
