38 INDEX TO CIRCULARS 1 TO 100. 
Pear; foodeplant ofA phismalis sateen a= = oat os eee eee 
MANfOliere se seins Lemke cis cos ete set eeee cE ne 
IBryobia pratensis eomece tote cess ce secon seer eee 
Chinysovothntsfemonatde ena eee ee eee 
Conotrachelus nenuphar.....- 2. --2----2-=-------- 
Digororico lO-punelaidectereee cena sees e cee eee 
IETIOCAM MOLES WMACiIMe. oka. eee eee ee eee 
Eulecanium nigrofasciatum............---------- 
IB DTOCUISICHTUSOTIIUEM Ne | le teens ects Sree eee = 
Macrodactylus subspinosus........--------------- 
WMalacosoma Qmenicand ss s--- hese ese ee eee eee eee 
IB SUL DYTICOLD ee EEE Le tee ee a5 aoe 
PUVINATIOCANTUL MET OOS sno eee eat eee yee eelee 
Sanrloserscalesass: Seri ceet. 2.2.5. Sees 
SUPENGG CONIA eee ee nee ee he eee CTE 
SCOLYLUSITUGUIOSUS eae ee oe akc ee ene = sce shee 
Siphocoryne aven#......---.-------------+-----++ 
Kieffer, not seriously injured by Psylla pyricola......-.-..---- 
LeConte, not seriously injured by Psylla pyricola......-..---- 
slug. (See Eriocampoides limacina.) 
Standard Lawrence, not seriously injured by Psylla pyricola. . 
tree Psylla. (See Psylla pyricola.) 
Pecan, food plant of Balaninus caryz........--..-----------+------- 
weevil. (See Balaninus caryz.) 
Pediculoides ventricosus, enemy of Isosoma tritici.........-...-------- 
Pegomya brassice. (See Maggot, cabbage, and Maggot, radish.) 
cepetorum. (See Maggot, imported onion.) 
Jusciceps, eenerallaccount.. 2 ken st ok eae eee eine oe 
Temediesh wee Pee ee ed ee 
Pennsylvania, requirements relative to shipment of nursery stock. . 
Pentilia sp., enemy of Tetranychus gloveri.......-...---.------------ 
Pepper, food plant of Leptinotarsa decemlineata.........----.-------- 
grass, food plant of Aphis gossypli....-......--------------- 
Reppermimt asizemediy, for-chiggers’7 2 =2ep eee nes eee eee ere ae 
Perillus circumcinctus, enemy of Leptinotarsa decemlineata......-.-- 
claudus, enemy of Leptinotarsa decemlineata...........------ 
Malacosoma americana.......------------ 
Periodical cicada. (See Cicada, periodical.) 
Penplaneia americana, generaliaccoumt.t22-. o-- 02 2 - aa= a = ee a 
TETMECICS Si WYEh Ue ROR ee a eee tee ee 
austrolasie, Seneralaccounib----.-2-.2-----2- ee eee ener 
Temedies ss Cee e we ae e we ee ReL eR eee 
germanica. (See Blattella germanica.) 
orientalis. (See Blatta orientalis.) 
Persimmon, food plant of Conotrachelus nenwphar.-......-...-.------ 
Petrolenmlacainstlocust Doren ces sce ee ee eee oe eee nickce ete eeeeee 
WIMILECIANTS eens eee Peel Cees ne eects etre 
yellow-winged locust 
crude, against San Jose scale 
emulsion, crude, against apple aphides....-...-.......-. 
soap emulsion against San Jose scale..-..........----..-- 
Petunia, food plant of Leptinotarsa decemlineata..........--..------- 
Phalangium dorsatum. (See Liobunum dorsatum.) 
PuHILuies, E. F., circular, ‘‘The Brood Diseases of Bees’’........-..-- 
Philonthus apicalis, enemy of Leptinotarsa decemlineata...........-..- 
Phorbia. (See Pegomya.) 
ceparum—Pegomya cepetorum.....-.-.j.---------------2-- 
PROTO LENPALTOD LAT NO USCS sore la = na eer tere alee feteote cielo ip eteieeieiae tele 
Phorocera doryphorx, enemy of Leptinotarsa decemlineata..........-- 
SPROTOCOW NUMUD Cl\TCWIAT» Secon cine ae ee He ise aiela ee cise wee erie ta 
memediese eeu ee ak ee ere eee eos 
Phosphorus paste against cockroaches. ...........------------------ 
Phrynium variegatum, fumigation with hydrocyanic-acid gas... .... 
Phyllobxnus dislocatus, enemy of Scolytus rugulosus...........-..--- 
Phyllodromia germanica. (See Blattella germanica.) 
Phyllosticta catalpx, a leaf-spot disease of catalpa......-..---.------- 
Phylloxera of grape (Phylloxera vastatrix), insecticides... - . Rn Sie 
Phymata wolfit, enemy of Pontia rapx#~.....-...------------------ 
Physalis, food plant of Leptinotarsa decemlineata.........-.--------- 
Phytolacca decandra, food plant of Tetranychus gloveri.......-.-.---- 
food plant of Diabrotica 12-punctata.....-..-.-..-.------- 
Phytonomus punctatus, fungus enemy........-...-.------ ete lotatebctlale 
; the clover-leaf weevil, work in relation to that 
of clover-flower midge (Dasyneura legumi- 
MVICDIO) ees ea orate tale oicfota aes ate eerste eee 
Picea sitchensis. (See Spruce, Sitka.) 
“Pickle brood.’’ (See Brood, pickle.) 
“‘Picudo,’’ Mexican name for Anthonomus grandis..........-------- 
Pieris rapx. (See Pontia rape.) 
Pigeon grass. (See Ixophorus glaucus.) 
; Mite inot Same as POUL, WU te separ ers ceiss claw been eeeee 
Pigweed. (See Amaranthus.) 
66, rev. 
63, ed. 2 
63, ed. 2 
75, rev. 2 
65 
