460 



Codling moth — Continued. 



its relations to weather and climate, 

 experimental investigations, 311- 

 440. 

 larvae, a study of their catalase con- 

 tent, 443-446. 

 Colaspis brunnea, 450, 454. 

 Conifers, 2, 5. 



Corn, Indian, entomological ecology 

 of, 447-457. 

 insects infesting, 447. 

 native insect enemy of, 449. 

 Root-aphis, 448, 449, 455. 

 Root-worm, 448, 449. 



and Corn Root-aphis, mutual bi- 

 ographical adaptation as com- 

 petitors for food, 453-454. 

 Southern, 455. 

 rootworms, 455. 



status of plant after its long do- 

 mestication on our soil, 455. 

 young, victim of maladaptation of 

 insect competitors, 455. 

 Cottonwood, 3, 10, 13, 15, 16, 24, 25, 26, 

 28, 29, 30, 31, 39, 40, 49, 75, 76, 79, 

 80, 82, 91, 95, 96. 

 Mississippi, 10, 12, 13, 14, 16. 

 Swamp, 3. 

 Crataegus, 3. 



Cucumber-tree, 4, 43, 46, 48, 49. 

 Cutworms, injury to Corn, 455, 456. 

 Cyclocephala, 449. 

 Cypress, 3, 4, 9, 10, 12, 13, 14, 16. 



D 



Diabrotica longicornis, 449, 456. 



and Aphis maidi-radicis. See Corn 

 Root-worm and Corn Root-aphis. 



biographical adaptation to food, 452. 



12-punctata, 449. 

 Dikraneura, 128. 



abnormis, 128. 



angustata, 128. 



cruentata cruentata, 128. 

 rubricata, 128. 



fieberi, 128. 



maculata, 128. 

 Dogwood, 47. 



E 



Ear-worm, injury to Corn, 455. 



Elm, 10, 11, 12, 13, 14, 15, 16, 17, 18, 



19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 



29, 30, 35, 43, 44, 45, 47, 49, 50, 51, 



52, 53, 54, 55, 56, 75, 76, 78, 80, 82, 



90, 91, 92, 94, 95, 97. 

 Slippery, 4. 

 Water, 3. 

 White, 3, 4, 31. 

 Emphytus maculatus, 450, 457. 

 Empoasca, 127. 

 Empria maculata, 457. 

 Erythroneura, 129. 

 aboUa abolla, 130. 



accensa, 130, 131. 



iconica, 131. 



lemnisca, 131. 



varia, 130. 

 aclys, 131. 



basilaris basilaris, 133. 

 comes accepta, 136. 



comes, 135. 



compta, 136. 



delicata, 136. 



elegans, 135. 



octonotata, 136. 



palimpsesta, 135. 



pontifex, 136. 



reflecta, 136. 



rubra, 135. 



rubrella, 135. 



rufomaculata, 136. 



vitifex, 132, 135. 



ziczac, 136. 

 hartii, 132. 

 illinoiensis illinoiensis, 131. 



spectra, 132. 

 infuscata, 134. 

 ligata pupillata, 134. 

 maculata apicalis, 134. 



bella, 134. 



bigemina, 134. 



era, 134. 



gemina, 134. 



maculata, 133. 



osborni, 134. 



