130 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
♦ 
1122. [Riley, C. V.] Eggs of snowy tree-cricket on raspberry canes. 
<Amer. Eut., February, 1870, v. 2, p. 128. 
Answer to inquiry of J. B. Root; oviposition of and means against CEcantkus 
niveus. 
1123. [Riley, C. V.] Spotted rove-beetle. <Amer. Ent., February, 
1870, v. 2, p. 128. 
Answer to inquiry of J. Huggins ; habits of Staphylinus maculosus and of rove- 
beetles in general. 
1124. [Riley", C. V.] Raspberry gouty gall. <Amer. Ent., February, 
1870, v. 2, p. 128, fig. 90. 
Answer to inquiry of C. Carpenter; ravages of and means against Agrilus 
rujicollis ; description and figure of larva. 
1125. [Riley, C. V.] Parasitic cocoons. <Ainer. Ent., February, 
1870, v. 2, p. 128, fig. 91. 
Answer to inquiry of G. C. Brackett; figures cocoons and conjectures as to 
the habits of \_Microplitis ceratomice var. actuosm~\. 
1120. [Riley, G. V.] The pigeon Tremex in apple. <Amer. Ent., 
February, 1870, v. 2, p. 128. 
Answer to inquiry of J. Huggins; habits and food plants of Tremex columba • 
description of imago; Rhyssa [= ThaJessa~\ lunator destroys the larva. 
1127. Riley^, C. V. Second annual report on the noxious, beneficial, 
and other insects of the State of Missouri, made to the State 
Board of Agriculture, pursuant to an appropriation for this 
purpose from the legislature of the State. <5th Ann. Rept. 
State Board of Agric. for 1869, March, 1870, pp. 136 4- 0,99 figs. 
Separate: <Jefferson City,Mo., March, 1870, pp. 136+6, 99 figs. 
CONTENTS. 
Preface. 3 
NOXIOUS INSECTS. 
Report of the committee on entomology of the State Horti¬ 
cultural Society-. 5 
Noxious insects less injurious in Missouri in 1869 than usual, 5— 
The army-worm and the grain plant-louse considerably injurious 
in Missouri in 1869, 5—The chinch-bug and the codling-moth less 
injurious, 6—A species of Thrips destroying great numbers of the 
Cnrculio, 6—Eggs of the apple-tree plant-louse destroyed by in¬ 
sect foes and birds, 6—According to Dr. Hull the “scab” in ap¬ 
ples is caused by the apple-tree plant-louse, 7—The pickle-worm 
doing great damage during 1869, 7—Importance of preventing 
the introduction of injurious insects, 7—Cultivation causes in¬ 
sects to multiply unduly, 8—More attention paid in Europe to 
injurious insects than in this country, 8. 
Imported insects and native American insects. 8 
The imported currant-worm much more injurious than the native, 
8—Other instances showing the greater destructiveness of im¬ 
ported insect enemies than of their native representatives, 9—Al¬ 
most all our worst insect pests and pernicious weeds have been 
introduced from Europe, 10—Few American insects and plants 
have become naturalized in Europe, 11—The American fauna and 
