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Fig. 3. Wing of same. 
Fig. 4. The Woolly Grass Root Louse, Rhizobius spicatus; enlarged 
twenty-six diameters; a, antenna; b, beak. : 
Fig. 5. The Small Brown Ant, Lasius niger alienus, female; enlarged 
four and one half diameters. 
Fig. 6. The same, worker, enlarged eight and one fourth diameters. 
Fig. 7. The Corn Mealy Bug, Dactylopius sorghiellus, adult female, dor- 
sal view; enlarged twenty-nine diameters. 
Fig. 8. The same, ventral view. 
PLATE XI. 
Fig. 1. The Small Brown Ant, Lasius niger alienus, male; enlarged 
eight and one fourth diameters. 
Fig. 2. Formica schaufussi, worker; enlarged eleven and one half diam- 
eters; a, portion of upper surface of abdomen greatly enlarged. 
PLATE XII. 
Fig. 1. Lachnosterna rugosa, male imago; enlarged two and one fifth 
diameters; a, last two ventral segments. 
Fig. 2. Larva of same; enlarged two and one half diameters. 
Fig. 3. Lachnosterna rugosa or hirticula, last abdominal segment of 
larva, seen from beneath; enlarged six diameters. 
Fig. 4. Lachnosterna fusca, male imago; enlarged two diameters; a, 
last two ventral segments. 
Fig. 5. Lachnosterna inversa or fusca, last abdominal segment of larva, 
seen from beneath; enlarged six diameters. 
Fig. 6. Lachnosterna gibbosa, male imago; enlarged two diameters; 
a, last two ventral segments; b. spurs at tip of hind tibia. 
Fig. 7. Larva of same, last abdominal segment; seen from beneath; 
enlarged six diameters. 
Fig. 8. Cyclocephala immaculata, last abdominal segment of larva, seen 
from beneath; enlarged six diameters. 
PLATE XIII. 
Fig. 1. Cyctocephala immaculata, larva; enlarged three and one third 
diameters. : 
Fig. 2. Imago of same; enlarged three diameters. 
Fig. 5. Prionus imbricornis, imago; natural size. 
Fig. 4. Prionus laticollis, imago: natural size. 
Fig. 5. Prionus, larva; natural size. 
Fig. 6. Prionus, pupa; natural size. 
Fig. 7. The Green June Beetle, Allorhina nitida; a, larva; b, pupa; e, 
male imago; all enlarged one and a half diameters; d, e, f, g, mandible, 
antenna, leg, and maxilla of larva; more enlarged. 
PLATE XIV. 
Fig. 1. The Southern Corn Root Worm, Diabrotica 12-punctata, imago; 
enlarged five and two thirds diameters. 
Fig. 2. Pupa of same, dorsal view; enlarged ten diameters. 
Fig. 3. Ventral view of pupa. 
Fig. 4. Larva of same, dorsal view; enlarged five diameters. 
Fig. 5. Side view of larva. 
Fig. 6. The Northern Corn Root Worm, Diabrotica longtcornis, imago; 
enlarged ten diameters. 2 4 
Fig. 7. Corn root broken across to show larva of same within. 
Fig. 8. Pupa of same; enlarged eight and a half diameters. 
