30 
INDEX TO CIRCULARS 1 TO 100. 
Kerosene against round-headed apple-tree borer............--.-.---- 
slender seed-corn ground-beetle..............-.--- 
San Joseiscale ee ep eee pe einen = ee a ol tent = | 
Straw Denny Wee Vil-sapeemeeasleilec een ee oleae | 
striped! cucumiber beetle=- = =... te oa eae 
two-linedichestnutiboren=.--2----.222--=--!- aes = 
Wihiterantsheeeee ease eee cane cesar eee e ee oes 
and carbolic acid against common hen louse. ......-....-- 
gypsum against SQUASH DURE. -ae= ce i= = ee 
and plaster against squash bug.............-.--..--- 
naphthaline against common hen louse..-......-..--- 
plaster ineffective against strawberry weevil. ....-...- 
sand against corn root-aphis......-.-........---.-.--. 
seed-comyimarrobaa 6 = te. oc cee = see es 
compounds ineffective against rose-chafer................- 
emulsion against apple aphides............-...-......-.... 
box-eldergplant-bups=--2- 2 -¢e meee eeee 
puftalostree-hoppers----e-- -- see oe 
Chicken\mite s/s). .o52-32 cs 2 eRe ee ee 
Cloverimite ce 6 2 jsenc2 cee see ee eee ae 
cotton medispid eres see a ee eee eee 
cottony maplejscale..--.2-.---.5-aseee- 
elimileafbectle = <.2 0 2-28. Saciscetse te eee 
CSOTCOMMDU Binion. ono Sse wis oe a cine cise se ae 
harlequinicabbagebug..--.....----.2-- 
hop;plant-louses. 32. ce.<<-2 sss ce 
imported cabbage worm..-.....---:-:--- 
Locustiborenasec secon vee nee eee 
meloniaphiss <= :)2. 27 722 
pewiaphise ss. 2-00. 5-+----aesace ee 
pear-tree Psyllaise a 25-2 soaee eee eee 
mose-chaler 23... jo524-.cno- sescen eee ee 
Squash bups 0. eee eerie oe eee 
Subterraneanansects:s..22 eae ee eee eee 
terrapiniscale Ws. 2256 5... Soc eee oeeeeee 
tobaccorbhrips:sse-e-- sec ee eee eee 
two-lined chestnut borer...............- 
woollysaphiss.- s-2ssce as esee eee eee ee 
and Berdeaux mixture against pear-tree Psylla. 
AaSNsecticid esr peices: sacceceeeee eee eee eee 
ineflective against periodical cicada............. 
only partially successful against strawberry 
WECV Ie. atc dances se oceess wes snes epee eee 
useless against chestnut weevils................. 
Key to known larvee of the mosquitoes of the United States, circular. 
Kiln-drying against chestnut weevils.............. onan he eee oe 
L. 
apelsicatenibyeVepisia sacchavin@anaecsn cess oot ee ee eee eee 
Labena apicalis, parasite of Chrysobothris femorata.............------ 
grallator, parasite of Chrysobothris femorata............------ 
Lace-wing flies, enemies of Schizoneura lanigera...........--.--- =a 
fly, golden-eyed. (See Chrysopa oculata.) 
Lady-beetles, enemies of spring grain-aphis (T'oxoptera graminum) ..| 
Ladybird, twice-stabbed. (See Chilocorus bivulnerus.) } 
two-spotted. (See Adalia bipunctata.) | 
Letilia coccidivora, enemy of Pulvinaria innumerabilis............... 
Lambsquarters. (See Chenopodium.) 
Land plaster and kerosene against squash bug...........--..-.----- 
Lantana, food plant of Aleyrodes vaporariorum......-.....---------- 
Lasius niger var. americanus, attendant on Aphis maidi-radicis...... 
Lavender flowers frequented by butterflies of Pontia rapx........-. 
Laws (see also Legislation). | 
Apainst MOUSE Testers een .m rss cincten ceerier saeco Sele cin se eisinin Sei stomos 
relative to importation of American plants, trees, and fruits 
into other countries....-..-....-- scat sYacasfe mereeies 
shipment of nursery stock, circular............-...- 
Leaf beetle, elm. (See Elm leaf-beetle.) | 
rollers of strawberry, arsenicals as remedy...........---....--- 
eather, enawed by/COCkTOAG HES esc ccteeie cieie <ineiceiscitne stone tess = 
Lebia atriventris, enemy of Leptinotarsa decemlineata...........---.- 
grandis, enemy of Leptinotarsa decemlineata........-.....---.. 
Legislation (see also Laws). 
Crabby [yo Veet onacasecogeenecpoqabe ccoose + beds sSece 
Lemon oil and wood alcohol against corn root-aphis..............-- 
EDO DlAtYy S SOUR MIGET aa acetate a oe= cam epeeeis c= ete leila 
Lepisma domestica, frequenter of ovens and fireplaces. ...-.....-.-.-| 
SOCCHOTINUE CINCIIAL sled coc aee ees eisimae ene ea aaa 
TOMECICS hoe a ots Soe eee enable okie wee e ate 
EDU NOLATSOGECEMUITMEL CG CINCU Nae aetna a= ete ee etl 
TOIMCGICS se nio-.aicte Sees 
INLETINEGIOS =, flan crake See cee el eae oes saints onl 
| 
Circular 
No. 
39, rev. 2 
41 
75, rev. 2 
21, rev. 
51, rev. 
Page. 
