THE STRIPED PEACH WORM. 5 
which are about equidistant from each other and of about the same width 
as the spaces between them, color reddish-brown. Some of the spaces (yellow- 
ish-white) have dark points in them. Head and thoracic shield yellowish- 
brown, feet fuscous and dirty yellow. Four pairs of pro-legs beside anal pair 
which are of the same color as the ground color of the body. Base of anal 
pair black. 
Mature larvae (PL II, fig. 1) were found to vary from three- 
eighths to five-eighths inch in length, and in color to vary from 
yellowish white with poorly defined stripes to a clear white with 
vivid venetian-red stripes. There is an anteriorly directed semi- 
circular black patch over each ocellar area. 
THE PUPA. 
(PI. Ill, fig. 1.) 
The pupa is unusually broad across the thoracic region, slightly 
flattened dorso-ventrally and quite variable in size. The average di- 
mensions of 10 w r ere found to be 6.3 -mm. by 2.6 mm. When newly 
formed, the pupa is a light brown, changing later to a dark brown, 
the head, thorax, and ventral region obtaining a much darker color 
than the other regions. The wing pads are long, extending to cover 
all but the 3 posterior segments of the abdomen. 
THE COCOON. 
(PI. Ill, fig. 2.) 
This species differs from many of the genus in that it pupates nor- 
mally in the soil. The larva enters the soil to a depth of about one- 
half inch and spins a white silken cocoon, which it incloses in fine 
soil particles and to the outside attaches coarser particles. Within 
this cocoon the larva pupates. The average size of 38 cocoons meas- 
ured was 9.3 mm. in length by 4.4 mm. at the greatest width, slightly 
flattened to conform to the pupae and usually distinctly curved. 
SEASONAL HISTORY AND HABITS. 
The following seasonal-history records were started at Benton 
Harbor, Mich., during the season of 1915 and were completed in 1916, 
in open-air insectaries in which glass battery jars were used as rear- 
ing cages. In all cases peach foliage was used as food for the larvae. 
There is one full brood and a partial second brood. 
The rearing studies began with the collection of a quantity of 
larvae September 3, 1914. These overwintered, and the moths which 
emerged were used for part of the 1915 records. The rearing ma- 
terial for 1916 was that kept from the season of 1915, together with 
moths emerging from pupae collected in May, 1916. 
