Genus Pieris 
Fig. i 41.—Neuration 
of the genus Pieris. 
the primaries is straight, the outer margin of the secondaries more 
or less evenly rounded. 
Egg. —The egg is spindle-shaped, with vertical raised ridges. 
Caterpillar.— Elongate, the head hemispherical, very slightly, 
if at all, larger in diameter than the body. The caterpillars feed 
upon cruciferous plants. 
Chrysalis. —Attached by the anal extremity, and held in place 
by a silk girdle; slightly concave on the ventral side; convex on 
the dorsal side, with a distinct or pointed 
hump-like projection on the thorax. At the 
point where the thoracic and abdominal seg¬ 
ments unite in some species there is in addi¬ 
tion a distinct keel-shaped eminence, and at 
the head the chrysalis is furnished with a short 
conical projection. 
(1) Pieris monuste, Linnaeus, Plate 
XXXV, Fig. 1, 6 ; Fig. 2, $ (The Great South¬ 
ern White). 
Butterfly. —The upper side of the wings, 
depicted in the plate, requires no comment. 
On the under side the black marginal mark¬ 
ings of the primaries reappear as pale-brown markings. The hind 
wing is pale yellow or grayish-saffron, crossed by an ill-defined 
pale-brown transverse band of spots, and has the veins marked 
with pale brown, and interspersed between them pale-brown rays 
on the interspaces. 
Early Stages.— What we know of these is derived principally 
from Abbot through Boisduval, and there is opportunity here 
for investigation. 
The species has a wide range through tropical America, and 
is not uncommon in the Gulf States. 
(2) Pieris beckeri, Edwards, Plate XXXIV, Fig. 8 , 6 ; Fig. 
9, $ (Becker’s White). 
Butterfly. —This species, through the green markings of the 
under side of the hind wings, concentrated in broad blotches on 
the disk, recalls somewhat the species of the genus Euchloe , and 
by these markings it may easily be discriminated from all other 
allied species. 
Early Stages. —These have been in part described by Edwards 
in the second volume of “The Butterflies of North America.” 
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