90 
Fig. 6. Small oranch of peach, showing perforations of bark’; natural j 
size. ,. 
Fig 7. Small branch of plum, with hart removed, showing breeding , 
chamber and tunnels in sap wood made by larva; natural size. 
Fig. 8. Perforations of bark of large branch of plum tree; natural size, j 
Fig. 9. Denuded branch, showing breeding chambers, larval channels, 
and pupal chambers: natural size. 
PLATE II. 
Fig. 1 The American Plum Borer, Euzophera semifuneralis, lar\a, \entral 
view; enlarged six diameters. 
lew; enlarged six aidmeiws. 
Fig. 2. The Grain Plant Louse, Siphonophora avenoe, on wheat head; nat¬ 
ural size. 
■al size. , . I 
Fig. 3. The American Plum Borer, larva, dorsal view; enlarged six di¬ 
ameters. 
m eters. 
Fig. 4. The Grain Plant Louse, on wheat head; enlarged three and -one 
half diameters. 
lalf diameters. 
Fig 5 The American Plum Borer, imago; enlarged two and one fourth 
diameters. Under surface of wings shown on right side. 
PLATE III. 
Fig. 1. The Grape Scale, Aspidiotus uvoe, on grape stem: natural size. 
Fig. 2. Individual scale: enlarged ten diameters. 
Fig' 3. The Larger Corn-Root Worm, Diabrotica 12-punctata; enlarged 
five diameters. 
ve uiamcucis. ... 7 .j. . 
Trio- 4 The Woolly Bark Louse of the Maple, Pulmnana innumerabuis.U 
nntumnB condition m twig with half-grown female scales: b, autumna 
?e "i^ seen from abofe: c, the same seen from beneath. 
itdcr s The same 1 a twig with adult fly and egg masses, b, mafuie e 
male g scale seen from abovef c, mature female scale seen from beneath; A 
mouth parts. 
PLATE IY. 
WHITE GRUBS. 
Fig. 1. Lachnosterna gibbosa, last abdominal segment of Ian a, seen frod 
beneath; enlarged flve and one half diameters. i 
sneain; enicugcu nvc o- —- 
Fig. 2. Lachnosterna inversa or fusca, last abdominal segmen 
seen from beneath: enlarged four diameters. 
een nom uvuectim, cmaigcu -- 
Fig. 3. Lachnosterna sp, larva and pupa in earthen cells, and dorsal an 
side views of imago; natural size. 
le Views Oi imagu, uaiuitti 
Fig. 4. Lachnosterna rugosa or liirticula, last abdominal segment of lan. 
seen from beneath; enlarged four diameters. 
^een irom oeneain, emaigeu. -- , 
Fig. 5. Cyclocephala immaculata, last abdominal segmen o an , s ^ 
from beneath; enlarged six diameters. m 
rOHl UoIlYCl Lil } CliiaigLU v n y. q 
Fig. 6. Lachnosterna rugosa, larva, side “view; enlarged two and 
diameters. 
lameuers. 
Fig. 7. Cyclocephala immaculata, larva, side view; enlarged three and or 
third diameters. 
