136 SEVENTEENTH Report STATE ENTOMOLOGIST OF MINNESOTA—1918 
PLATE VII 
Sericotrombium scabrum. 
or 
A—Dorsal surface of female. 
B—Ventral surface of female. x15 
C—Palpus of adult. x30 
D—lLeg I of adult. x30 
E—Eyes. x50 
F—Hair from body of adult. x350 
G—Dorsai surface of larva. x100 
H—Ventral surface of larva. x100 
I —Segment IV of larval palpus. x400 
J —Tarsus III of larva. x400 
Ix—Tip of mandible of larva. x400 
L—Process of mandibular sheath. x600 
