134 SEVENTEENTH Report StaTE ENToMOLOGIST oF MINNESOTA—1918 
PLATH VI 
Hutronbidium locustarum. 
A—Dorsal surface of female. x8 
B—Venetral surface of female. x8 
C—Palpus. x25 
D—Segment IV of palpus. x50 
E—-Tarsus I of adult. x25 
W—HDyes. 55 
G—Hair from body of adult. x55 
H—Posterior dorsal plate of male. x12 
I —Posterior dorsal plate of female. x12 
J —Dorsal surface of larva. x150 
i<—Ventral surface of larva. x150 
L—Mouth parts of larva. x300 
M—Segment IV of larval palpus. x600 
N—Tarsus III of larva. x300 
O—Engorged larva—dorsal surface. x25 
