69 



Thk More Important Insects Injurious to the 

 Seed and Roots. 



The following insects injurious to the seed and roots of Indian corn 

 and belonging in this section of ''the more important species/' have 

 been treated at length in the Eighteenth Report of this office, published 

 in 1894 as an appendix to the. Report of the State Department of Agri- 

 culture, and also in Bulletin 44 of the Illinois Agricultural Experiment 

 Station, printed in May, 1896: 



Wireworms (Elateridoi) . 18th Rep., pp. 28-51; Bull. 44 pn 224-93*? 

 (See PI. VL, Fig. 2-5.) 



The White-grubs (Lachnosterna and Cyclocephala). 18th Rep pp 

 109-144; Bull. 44, pp. 257-279. (See PL V.) 



The Northern Corn Root- worm (Diabrotica longicornis) . 18th Rep 

 pp. 154-165; Bull. 44, pp. 287-296. 



The Southern Corn Root-worm (Diabrotica 13-punctata) 18th Rep 

 pp. 146-154; Bull. 44, pp. 282-287. 



The Corn Root-aphis (Aphis maidiradicis) . 18th Rep pp 58-85- 

 Bull. 44, pp. 237-256. i^ ' 1 1^- 



