EXPLANATION OF PLATE I. 
All the figures enlarged unless otherwise stated, the hair-lines indicating the natural 
FIG. 
Fic. 
. 9.—Lateral view of the true pupa of Epicauta cinerea Forst.; 948, 
of same 
SIZES. 
1.—Egg-pod of Caloptenus differentialis with the mouth torn open, exposing 
he newly-hatched larva of Æpicauta vittata (1 a) eating into an egg, and 
the passage which it made through the mucous covering—natural size. 
2.—Dorsal view of the first larva, or triungulin, of Æ. vittata; 2 a, one side 
of the head of same from beneath, greatly enlarged so as to show the 
mouth parts; 2 4, terminal joint of maxillary palpus showing imbrications 
and flattened inner surface armed with stout points; 2c, leg, showing more 
plainly the tarsal spines; 2 e, labrum; 2 d, one of the abdominal joints 
from above, showing stout points, stigmata and arrangement of spinous 
hairs. : 
. 3.—Eggs of Æ. vittata, the natural size indicated at side. 
. 4.—Dorsal view of the Carabidoid stagesof the Second Larva of Æ. vittata; 
4 a, its antenna; 44, its right maxilla; 4 ¢, its leg; 4 d, side view of same, 
showing its natural position within the locust-egg mass. 
. §.—Lateral view of the ultimate or full-grown stage of the Second Larva of 
E. vittata; 5 a, portion of the dorsal skin, showing short setaceous hairs. 
. 6.—Third head, or that from the Scarabeidoid stage of the Second Larva of E. 
vittata, from beneath, showing the reduction of mouth-parts as compared 
with the first head (2 a); 6a, antenna of same; 6 4, maxilla of same; 6 ¢, 
mandibles of same. 
. 7.—Fourth head, or that of the full-grown larva of Æ. vittata, from above; 7 4, ; 
leg of same; 7 4, the breast-plate or prosternal corneous piece. 
. 8.—Lateral view of the pseudo-pupa or Coarctate Larva of E. vittata, with 
the partially shed skin adhering behind; 8 a, dorsal view of same; 8 b. its 
from the front; 8 c, same from side ; 8 d, tuberculous leg; 8 ¢, raised 
spiracle ; 8 f, anal part of same. 
ventral view 
. 10.—LEpicauta vittata (lemniscata or trivittate var.). 
. 11.—Epicauta cinerea Forst (= marginata Fabr.). 
.12.—Antenna of the triungulin of Zpicauta pensylvanica ; 12 @, maxilla of 
same; 12 4, labial palpus of same. 
-13— 5) Hornia minutipennis, dorsal view, 13 @, lateral view of same; 134, 
simple claw of same; 13 ¢, Coarctate Larva ; 13 d, leg of ultimate stage of 
Second Larva. 
