LIST OF DESCRIPTIONS. 
1. THe Corn Root-Worm, (Diabrotica longicornis, Say): imago, p. 15; pupa, p. 16; 
larva, p. 17; egg, p. 18. 
2. Tur Carnon-Bue Bacterium (Micrococcus insectorum, Burrill): p. 52. 
3. Tue Strawberry Crown-Borer ( Tyloderma fragaria, Riley): imago, p. 65; larva, 
p. 66; pupa, p. 66. 
4. Tue StrawBerRY Crown-Mrner (Anarsia lineatella, Zeller): imago, p. 79; larva, 
p. 80. 
5. Tne Merton Pianv-Louse (Aphis cucumeris, n. s.): winged female, p. 85; pupa, 
p. 86; wingless female, p. 87; root form, p. 87. 
6. THE CueRRY-SLUG oR PEAR Stue (Selandria cerasi, Peck): p. 99. 
7. Apanteles orobene, u.s., p. 104. 
8. THe LomBarpy-PopLtar Borer (Agrilus granulatus, Say): larva, p. 121; pupa, 
We 122. 
9. Phytoptus abnormis, n. s., p. 184. 
10. Phytoptus acericola, n. s.. p. 135. 
11. Phytoptus quadripes, Shimer, p. 135. 
12. Phytoptus fraxini, n. s., p. 136. 
13. Ph ytoptus ulmi, n.s., p. 137. 
14. Phytoptus salicicola. n. s., p. 138. 
15. Phytoptus querci, n. 8., p. 138. 
16. Phytoptus thye@, n.s., p. 138. 
17. Phytoptus pyri, Scheuten, p. 140. 
18. Tne Ancoumors Grain-Morn (Gelechia cerealella, Oliv.): imago, p. 146; larva, p, 
146; pupa, p. 147. 13 
19. LHeteropus ventricosus, Newport, p. 140. 
20. Pteromalus gelechie, n. s., p. 151, 
