BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 15 
43. LeBaron, W. Shall we kill all kinds of insects? <Western 
ltural, 10 June, 1871. 
Usefulness of some insects; the orders of noxious insects; their numbers 
and stage when injurious. 
44. LeBaron, W. The lesser apple leaf-roller. <Amer. Nat., June, 
1871, v. 5, pp. 209-212. 
Characters, ravages, life history, habits, and transformations of Tortrix 
[= Teras~\ malivorana; supposed enemy. 
45. LeBaron, W. A trip to southern Illinois. The curculio and 
other matters. <Prairie Farmer, 1 and 8 July, 1871, v. 42. 
Habits and habitats of Conotrachelus nenuphar; means against the same. 
46. [LeBaron, W.] Visit to McLean and Tazewell counties. The 
chinch bugs. <Prairie Farmer, 5 August, 1871. 
Habits and ravages of Blissus leucopterus; remedies. 
47. [LeBaron, W.] The chinch bug. <Prairie Farmer, 12 August, 
1871. 
Ravages of and preventives against Blissus leucopterus. 
48. [LeBaron, W.J The chinch bug and other insects. <Prairie 
Farmer, 26 August, 1871. 
Remedies for attacks of Blissus leucopterus; ravages of and means against 
Hylurgus [=■ Dendroctonus] dentatus; habits of Necrophorus americanus; 
food plants of Deilephila lineata; note on Aphis mali. 
49. LeBaron, W. First annual report on the noxious insects of the 
State of Illinois. <Springfield [August], 1871, 96 pp., 8 figs. 
CONTENTS. 
Table of contents... 3 
Introduction. 5 
Insects injurious to the apple tree. 13 
pear tree. 47 
plum tree. 51 
grape vine.54 
currant. 59 
potato. 63 
rose. 79 
pine. 83 
50. [LeBaron, W.] The chinch bug once more. <Prairie Farmer, 
2 September, 1871. 
Reply to inquiries as to the liability of the recurrence of Blissus leucopterus 
next year; its seasons, and whether spring wheat or winter wheat involves 
the lesser risk. 
51. LeBaron, W. Insects injurious to fruits. <Trans. North. Ill. 
Hortic. Soc., 1871, pp. 85-89. 
Brief notes on Carpocapsa pomonella, Conotrachelus nenuphar, and Doryphora 
10-lineata. 
52. LeBaron, W. The bean weevil. <Prairie Farmer, 1871, v. 42. 
Injuries of Bruchus fahce [— obtectus~\ ; habits; remedies. 
