BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 159 



1-311. EILEY, C. V. Fourth 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. <7th Ann. Kept. 

 State Board of Agric. for 1871, April, 1872, pp. 146+6, 60 

 figs. Separate: <Jefferson City", Mo., April, 1872, pp. 146+6, 

 66 figs. Notice: horticulturist, August, 1872, v. 27, p. 251. 

 <Ent. Mo. Mag., July, 1872, v. 9, p. 47. 



CONTENTS. 

 PREFACE 3 



NOXIOUS INSECTS. 

 NOTES OF THE YEAR 5 



The Colorado potato-beetle,* Doryphora W-lineata 5 



Its injuries in 1871, 5 Its appearance in great numbers in early 

 spring, 5 Exorbitant price of Paris green, 6 Natural enemies 

 of the beetle very abundant, 6 Diminution in numbers of the 

 beetle later in the season, 7 Causes of such diminution, 7 Dam- 

 age caused by the potato-beetle in Missouri, 7 It invaded Can- 

 ada in 1870, 8 The three-lined potato-beetle mistaken for it in 

 New York and Massachusetts, 8 Its further spread eastward ir- 

 resistible, 8 Slow spread of the insect in the South, 9 Its pres- 

 ent extent northward, 9 It spreads but does not leave the dis- 

 tricts already invaded, 9 It is not injurious to potatoes in Col- 

 orado at a certain altitude, 10 New food-plants, 10 It feeds 

 upon cabbage, 10 Its hibernation, 11 Objections raised against 

 the use of Paris green, 11 Paris green is an efficient remedy and 

 now in general use, 12 Box for dusting Paris green, 12 Mixing 

 the poison with diluents, 12 No serious cases of poisoning have 

 come to knowledge, 13 Antidote for Paris green, 13 Other ap- 

 plications, 13 Messrs. Sauuder's and Reed's experiments with 

 various substances, 14 Experiments with decoctions of various 

 plants, 15 Air-slacked lime as a remedy, 15 Mechanical means, 

 15 Squire's brushing machine, 15 Creighton's improved patent 

 insect destroyer, 15 Disadvantage of all mechanical means, 16 

 A simple and effective way of brushing off and killing the bugs, . 

 16 Natural enemies increasing, 16 Chickens acquiring a taste 

 for eggs and larvae of the beetle, 16 Spiders are among its ene- 

 mies, 17 The 15-spotted lady-bird and its larva, 18 The icy 

 lady-bird, 18 The ring-banded soldier-bug, 19 Thedotted-legged 

 plant-bug, 19 The spined soldier-bug in its earlier states, 20 

 The Nebraska bee-killer, 21 The Kansas bombardier-beetle, 21 

 Rove-beetles of the genera Philonthus and Quedius, 21. 

 The codling-moth again, Carpocapsa pomonella 22 



Time of year that the first moths appear, 22 Time required for de- 

 velopment, 22 Proper time to apply the bandages around the 

 tree, 22 It attacks peaches, 22 Best kind of bandages, 23 

 Wier's apple-worm trap, 23 Advantages and disadvantages of 

 the trap, 24 Overestimating the value of Wier's trap, 25 Jarring, 

 25 Mr. Chapin's method of knocking down the wormy apples, 

 26 When this operation should begin, 26 Fires, lights, and 

 bottles of liquid not to be recommended asaremedy, 27 vV T orth- 

 lessness of Todd's book, "The apple culturist," 28 Natural ene- 



* Extract in <Sci. Amer., 25 May, 1872, v. 25, p. 351. 



