INSECTS INJURING OAK-LEAVES. 
129 
Fig. 40.— Larva of Basilarchia archippus (Limenitis disippus). Emerton del. 
173. The live oak thecla. 
Thecla favonius Abbot and Smith. 
The green, slug-like caterpillars of this beautiful butterfly were ob 
served on the live oak at Enterprise, Fla., April 7 and 8, also a few 
days afterwards at Crescent City, and again on the scrub live oaks on 
Anastasia Island, St. Augustine. They pupated April 13, 14; the 
chrysalis in general appearance closely resembling that of Thecla cala- 
nus, found about Providence. They breed easily in confinement, my 
specimens haviug been placed in a small pocket tin box. After my re- 
turn to Providence the butterflies emerged from April 30 to May 2. It, 
is the most common species iu the Southern States, and is said by Abbot 
and Smith to feed on Quercus rubra and other oaks. 
Larva. — Closely resembling in general appearance that of Thecla calanus. Body 
straw-yellowish green, with fine yellowish papillas and dense, short hairs. Head pale 
horn color, small and narrow. Length, 17™ m . 
Pupa. — Of the same size and shape as that of Thecla calanus, thehirsutiesthe same, 
though not quite so coarse. In color rather pale horn, not so much mottled with 
black. It differs from T. calanus in the distinct lateral row of black dots. Length, 
10 mm . 
Imago. — Wings of the usu al form and color in the genus. Fore wings of male with 
a blackish sex-mark below the costa; a tawny patch in the first and a larger, more 
distinct oue in the second median cell. Hiud wings with a large deep orange patch 
near the inner angle, with a minute one on each side; orange spots on the inner 
' angle. "The points of the W formed by the inner line on the under side of the bind- 
wings touching the outer line." (French.) Expanse of wings, 23 mm . 
5 ENT 9 
