JOURNAL OF ENTOMOLOGY. 
No. XII.—Marcau, 1865. 
XXIV.— Contributions to an Insect Fauna of the Amazon Valley.— 
Leprpoprera—Nympuatine. By H. W. Bares. 
[Continued from p. 213.] 
[Puates XIII*. & XIV.] 
Genus Acrronia (Hiibn.), Dbldy. in Dbld. & Hewits. Gen. p. 80. 
In Boisduval’s ‘ Species Général des Lépidoptéres’ this genus was 
placed, as a tribe equivalent to Papilionides, Pierides, &c., in the sec- 
tion “ Succeints,” owing to a statement of Lacordaire (who studied 
the habits of insects at Cayenne), that the pupe were girt with a 
silken thread. I convinced myself, by repeatedly rearing two species 
of the genus, that this is a mistake, and that the pups hang by the 
tail like the rest of the Nymphalide, with which the perfect insects 
agree in all essential points of structure. The larve resemble those 
ot Epicalia, Callithea, &c., in being armed with branched spines, and 
in having two longer spines projecting from the summit of the head. 
They differ from allied larvee in having, besides the shorter spines of 
the body, several longer and thicker hispid lobes proceeding from the 
second, third, fifth, tenth, and eleventh segments. They feed on the 
leaves of a succulent climbing plant on the borders of woods. The 
chrysalides have a deep notch on the dorsal surface of the thorax, 
and two long flattened appendages proceeding from the head, 
In consequence of this discovery of the true position of the pup, 
Dr. Felder has abolished the tribe or family Ageronide, and placed 
the genus, together with Pandora, to which the perfect insects have 
great resemblance, in the neighbourhood of Hetima and Epicalia in 
the family Nymphalide—a position which I believe to be their true 
one. 
Dr. Felder speaks of the discoidal cells in this genus as closed. The 
VOL. Il. 2A 
