INDEX. 
[Two numbers joined by a dash, as 1-39, indicate that the subject is treated continuously throughout the 
pages noted.) 
Circular 
No. 
A. 
Abies grandis. (See Fir, lowland.) 
lasiocarpa. (See Fir, Alpine.) 
Ablerus clisiocamp, parasite of Malacosoma americana..........---- 98 
Acalypha, food plant of Aphis gossypii....--......-..--------------- 80 
Acanthia lectularia. (See Bedbug.) 
Acer negundo. (See Box elder.) 
saccharinum, food plant of Hulecanium nigrofasciatum.......--- 88 
Pulvinaria innumerabilis.....-..-.-- 64 
Achillea millefolium, flowers, food of Anthrenus scrophularix......... 5, Tev. 
Acholla multispinosa, probable enemy of Balaninus proboscideus and 
PROT ECUILS eee Ne re ene ee ciclo sheen Rohe USE tania 99 
Adalia bipunctata, enemy of aphides...........--..--..------------- 81 
MGCTOStDNUMYPISt 2-2 ~) ona ets ak 43, ed. 2 
IPhyliaipynicoleae eens ose eee U 
Adiantum ballii, fumigation with hydrocyanic-acid gas.............. 37, rev. 2 
cuneatum, fumigation with hydrocyanic-acid gas......._- 37, rev. 2 
Aédes atlanticus, distinctive characters of larva.................---- 72 
distinctive characters of genus, adults.....................--- 40 
fuscus, distinctive characters of adult.....................---. 40 
TABVO ohne tes 72 
* grossbecki, distinctive characters of larva.............-- eG 72 
infirmatus, distinctive characters of larva.....-..--...-.------ 72 
quaylei, distinctive characters of larva..........----.-..----.- 72 
Aaa distinctive characters'of adult... 2. ..22-.2.20 2.2 40 
table of North American species, adults......./...-...-.--..- 40 
tormentor, distinctive characters of larva................---..- 72 
Ageratum, food plant of Aleyrodes vaporariorum........------------- 57 
Agonoderus pallipes, injurious to seed corn....-..-..---------------- 78 
PAIGTALICSIOSLIIVEAL US NCILCUIAT a= aoc oeials bie are eles alainictela cleiwineld ele ieeeaee 24, rev. 
MEM CCIES Hee aes Be ce eetoe eh cotstie cee enc eee eee eee 24, rev. 
Agropyron occidentalis, food plant of Toroptera graminum.....------ 93, rev. 
repens, food plant of Mayetiola destructor or related 
BIDCCIOS Merete tee ene eee rp r eis) roy ie Nh Cates 70 
tenerum, food plant of Toxoptera graminum........------ ; 93, rev. 
Agrostis, food plant of Mayetiola destructor or related species...-..-.- 70 
possible food plant of Toroptera graminum..........------ 85 
Alabama, requirements relative to shipment of nursery stock 75, rev. 2 
PAUconol.as tem cuiy for (CHIP Pers 7. elec nisie c= a aie aes co side a 77 
(wood) and oil of lemon against corn root-aphis...........-. 86 
Aleyrodes citri on citrus plants in greenhouses..-....-..---..-------- 57 
packardi on strawberry in greenhouses.......-.-.--------- 57 
Spp:;, in greenhouses, remedies. .-.---..:-.--2<s2-<-s-5-52- 80 
vaporariorum, circular.........-.------- SppE SNA BV tts aloe 57 
OM OTIALO sees fo cle Soletdalisadaadaae ene 37, rev. 2 
P TEINIECIOS SE eee teen we eee oe { 37, ere: 
Alfalfa, food plant of Bruchophagus funebris.......-..-.--+----+------- 69 
COTO LO ELL CUA Te) ott oak tae cinta aioli otal “. 84 
Diabrotica 12-punctata 22.5 jcceecclcstens see 59 
ELYLORTUTUUS OOSCUTISI Ns potas ointsl Ds ta cratnlulotch a Nore 67 
grasshopper enemies, circular..................-.------- Me 84 
Alkali wash against round-headed apple-tree borer ......-.-.-. ..| 32, rev. 3 
Allocota thyridopterigis, parasite of Thyridopteryx ephemerxformis..... 
probable host of Habrocytus thyridopterigis. - . 97 
Allograpta obliqua, enemy of Aphis gossypii ........-...------------ 80 
Macrosiphum pisi........-.--++-------- 43, ed. 2 
Almond, food plant of Bryobia pratensis...........-------------+--- 19, ed. 2 
Alocasia macrorhiza variegata, fumigation with hydrocyanic-acid gas.| 37, rev. 2 
Alopecurus geniculatus, food plant of Toroptera graminum.....-...--- 93, Tev. 
Alsike. (See Clover, alsike.) 
Alum ineffective against rose-chafer.............--..---------------- 11, rev. 
Alyssum, sweet, food plant of Pontia rapx..........---------------- 60 
4844°—Cir. 100—11——2 
Page. Figure. 
