46 
PIElUlLi^. 
Habitat.- — Woods tliroiigdioiit Europe (excepting the Polar 
Eegion), Western Asia and Siberia. In Britain it is generally dis- 
tributed, but local, and is known by the trivial name of the “ Wood 
White.” Where it occurs it frequents open places in woods, and has 
a slow and languid flight, being very easy to catch. PI. X., 4. 
Lakva green, with a darker stripe on the back where the 
dorsal vessel shows through ; beneath this on each side is a yellow 
stripe. 
Chrysalis yellowish green or grey, rusty red on the sides and 
on the wing-cases (Boisduval). PI. XVI. 
The larva is found in June and September, the insect being 
double-brooded. It feeds on Vida Cracca, Lotus, Latiujrus, and 
several other plants of the order Leguminosce. 
VARIETIES. 
a. Erysimi, Bork. Eur. Schmet. (1798). Has no dusky tips to 
the fore wings. 
h. Lathyri, Hub. 797 — 8. Has the hind wings greenish instead 
of white. 
Both these varieties are met with in this country. They are 
rather aberrations than varieties. 
c. Diniensis, Boisd. Gen. 6. This is a well-marked variety of 
the second brood, and is somewhat larger than the average size of 
the type. The dark markings are wholly wanting, the wings, both 
on the upper and under sides, being nearly pure white. It is found 
in the South of Europe, especially in the southern provinces of 
France. PI. X., 5. 
2. L. Duponcheli, Stand. Cat. p. 5, 1871. — Lathyri, Dup. i. 43, 
3, 4; H.-S. 407-8. 
Expands 1'50 in. It is of the same shape as Sinapis, but the 
bases of the wings are strongly tinged with greenish yellow ; the 
tips of the fore wings are marked with an oblong spot, which is 
darker than that which appears in the last species. The hind 
wings are greenish on the under side, with lighter spots, one or 
two of them being white. PI. X., 5. 
