38 
BULLETIN 427, IT. S. DEPARTMENT OF AGRICULTURE. 
1915. 
February 23. — 1 Sympiesis stigmatipennis adult issued. (Female.) 
February 25. — 3 Sympiesis stigmatipennis adults issued. (Males.) 
Life cycle 26 days at average mean temperature of about 52° F. 
Longest life cycle noted, 45 days. 
CAMPOPLEX PHTHORIMAEAE CTTSHM. 1 
During 1913 a very few adults of this species (fig. 25) were reared 
from tuber-moth material collected near Puente, Cal. These speci- 
mens could not be reared in the laboratory. In 1914 and 1915 
the parasite became very abundant, and was reared from tuber-moth 
larvae, proving it to be a parasite of this species. 
Fig. 25.— Campoplex phthorimaeae; 
Adult female, with lateral view of abdomen. 
(Original.) 
Much enlarged. 
Tests under laboratory conditions showed that it oviposits in the 
tuber-moth larva? only where they act as leaf -miners, and prefers those 
about half grown. The adult has been noted ovipositing both in the 
field and in the laboratory. It is so active that the tuber-moth 
Chittenden Nos. 2230° 3 and 2230°". 
