49 
This pupa is easily distinguished from that of Ornix geminatella 
by the horn-like projections of the head, the shorter antennal 
sheaths, and the row of tubercles on the last abdominal segment. 
Imago .—“Head and antennae shining dark brown, face ochreous. 
Tore wings uniform, shining dark brown with a purplish tinge, 
slightly dusted with pale ochreous; cilia of the general hue. Hind 
wings dark gray; cilia with a rufous tinge.”—Clemens (l. c.). 
The alar expanse is 7.5 mm. (.3 in.). 
DISTRIBUTION. 
I find that this species is very generally distributed throughout 
Illinois, being common in nearly all the nurseries and orchards 
examined during the past season. The specimens originally de¬ 
scribed by Dr. Clemens were presumably from Pennsylvania, and 
those bred by Mr. Chambers were probably found at Covington, 
Kentucky. Mr. Brunn reports it common at Ithaca, N. Y. Hence 
I believe that the following list includes all the American locali¬ 
ties in which the species has as yet been recognized, though there 
is little doubt that it is fouud over a large portion of the states 
between and adjacent to the ones named: 
Illinois. —Bond, Champaign, Crawford, Edwards, Effingham, 
Jackson, Jefferson, Marion, McLean, Monroe, Randolph, St. Clair, 
and Washington counties. (Weed). 
Kentucky. —Kenton, Co. (Chambers). 
Michigan. —Ingham Co. (Weed). 
New York. —Tompkins Co. (Brunn). 
Pennsylvania. —Northampton Co. (Clemens). 
LIFE HISTORY. 
It will be noticed that a discrepancy as to the stage in which 
this insect hibernates occurs between the statements of Mr. Brunn 
and Dr. Clemens, the former saying that it passes the winter as 
a larva, and the latter, as a pupa. I have examined a large num¬ 
ber of the mines late in autumn as well as throughout the winter 
and early spring, and never have found the pup?e earlier than 
April 9, up to this date the larvae being invariably present. 
Briefly recapitulated, the life history of the species is this: The 
small brownish moth deposits an egg on the surface of the leaf, 
from which there soon hatches a minute greenish larva which be¬ 
gins mining the leaf, making at first only a narrow mine, but 
gradually widening it as it grows older. When full grown it is 
about two tenths of an inch long, flat, with a green body and 
brown or black head. It pupates within the mine, and in due 
season emerges as a moth. 
The apple Tischeria is very easily recognized by the peculiar 
mine of the larva, so that its presence can be detected at any sea- 
—4 
