55 
Agriotes pubescens. (Plate VI., Fig. 1.) Page 39. 
MeJanotus communis. (Plate VI., Fig. 3-5.) Page 
39. 
MeJanotus fissilis. (Plate VI., Fig. 2.) Page 41. 
MeJanotus infaustus. Page 42. 
MeJanotus cribulosus (The Corn Wireworm). (Plate 
VI., Fig. 6-8; and Plate VII., Fig. 1.) Page 42. 
Asaphes decoloratus. (Plate VII., Fig. 2-4.) 
Page 45. 
Small, slender, soft-bodied, yellowish white grubs in 
the roots and earth. Page 146. 
Diabrotica 12-punctata (The Southern Corn Root 
Worm). (Plate XIV., Fig. 1-5.) Page 146. 
c. Roots visiblj 7 penetrated and perforated scarcely at 
all; sometimes decayed at tips, but not eaten 
away. Principal injury interior, in form of 
minute burrows which are commonly longitud¬ 
inal, discoverable on peeling or splitting the 
root, the burrows sometimes containing minute 
slender white six-legged larvae, with brown head 
and neck and brown patch on last segment. 
Page 154. 
Diabrotica longicornis (The Northern Corn Root 
Worm). (Plate XIV., Fig. 6-8; and Plate XV., 
Fig. 1-8.) Page 154. 
Detailed Discussion of Injuries to the Roots. 
1. Some of the roots deadened , hardened , or dwarfed , without 
loss of substance. 
a. Small brown or yellowish ants abundant in the hills, 
and very small, bluish green or whitish, oval, thick¬ 
bodied root lice on the larger roots. 
PLANT LICE AND MEALY BUGS. 
(Aphidid e and Coccid,e.) 
Associated with ants in hills of corn, the observer may find 
any one or more of eight species of minute, soft, thick-bodied, 
six-legged insects, sometimes winged, but usually without wings, 
and always of very sluggish habit and slight power of locomo¬ 
tion. When exposed, they may show little or no signs of 
disturbance, but if shaken off the roots into which their stout 
jointed beaks are thrust, they will probably crawl slowly and 
clumsily about, making movements almost too sluggish and 
aimless to look like efforts to escape. The ants which have 
nested in the hill will, however, commonly seize these little 
insects in their mandibles and hurry away with them into con¬ 
cealment. 
