40 INDEX TO CIRCULARS 1 TO 100. 
Polistes rubiginosus, enemy of Leptinotarsa decemlineata.....-..------ 
Pollenia Tuts in NOUSEeS, WDapitS.o2-- eee eeee ee -ses ee eee esse oe 
Polygnotus hiemalis, parasite of Mayetiola destructor......---.------- 
minutus, parasite of Mayetiola destructor.........-------- 
Polypogon monspeliensis, food plant of Toxoptera graminum.....--.- 
Pontia protodice, the southern cabbage butterfly.......-.------------ 
HYG, COUGARS 4495 5554- she sabnosebedepaescene=sesee= a2 
MEMECICS Sepia tats setae feces ewe 2 cate eRe eee eee 
Poplar (see also Cottonwood). 
Carolina, food plant of Hulecaniwm nigrofasciatum .....-.---- 
Bryobia pratensis.........------ wee 
Malacosoma americana......--.------ 
Pulvinaria innumerabilis......-..----- 
Thyridopteryx ephemerexformis......-.- 
Populus monilifera. (See Cottonwood.) 
Porter’s chess. (See Bromus porteri.) 
Porthetria dispar, means of control...-.-..---- Sahar at somite beeper 
report on conditions in New England, July, 1904. - 
Porto Rico, requirements relative to shipment of nursery stock... _- 
Potato beetle, Colorado. (See Leptinotarsa decemlineata. ) 
bug, colloquial name for Colorado potato beetle..-....--..--- 
food plant on blister beetWesson ss - cere. meee eee oa ee 
DiaOnorica LeU IUCLO Ut eee ine ee 
SE DICOAULGNDILLLLG eee eee ee ere ee eer 
Leptinotarsa decemlineata........-..------------ 
PEON MIUSCLCED Seep eee =P Eee ee ae ie eee 
OL RETINES LAU DES tees eee seen ene ae eee 
Potentilla canadensis, food plant of Anthonomus signatus...---.------ 
Poultry (see also Fowls and Chicken). 
houses, infestation by Cimez lectularius.....-..------------- 
mitesiand lice, circulare 2-222. --s= 
Powder-post beetles, remedies.............------------------------- 
injury to seasoned wood products, circular. .--.--.----- 
Praon cerasaphis, parasite of Macrosiphum pisi.....-.--------------- 
“ Preussen,”’ colloquial name for Blattella germanica....-.----------- 
Primula, food plant of Aleyrodes vaporariorum....------------------ 
Privy, box, breeding place of house flies.....-.-.-...--------------- 
Proctocanthus milbertii, enemy of Leptinotarsa decemlineata....-.-.-.- 
Promachus saperdx = Cenocelius.populator ...-.--------------------- 
Prune, food plant of Bryobia pratensis........-.--------------------- 
Pruning against apple aphides.........-..--.--.-------------------- 
Prunus simonii, food plant of Zulecanium nigrofasciatum..-.-.-.----- 
Psorophora, distinctive characters of adults........----------------- 
ciliata, distinctive characters of larva. 
SVM O MiyATLS seen eee ee ice eens ee eee ee 
howardi, distinctive characters of larva.....-.---------- 
Psylla, pear-tree. (See Psylla pyricola.) 
pynicola, circular. <1. 2... - 22-2. -- 2-2 cee men == 
mem@neoleG. 46. sobsabe seo smoceeeononbeoocbocedoenSaue 
simulans = winter form of Psylla pyricola.....-.-.----------- 
Pteromalus bimaculatus, parasite of Scolytus rugulosus......-.------- 
sp., parasite of Malacosoma americana......-.----------- 
puparum, parasite of Pontia rap#...-..------------------ 
Publications of the Bureau of Entomology, list, circular..---.-..--- 
Pulez irritans, not the common species in houses in the United States. 
serraticeps, general account.......-.-------------------------- 
insula olis 6 a5 506 Goceodsan skeen sdddeseecoteensene 
Pulvinaria acericola, the maple-leaf Pulvinaria.....-....------------ 
ATMAULMEN GDS ACLUCUIAT = oor so emin soe iale tere oat =a =i 
ersyateYOULSC BEL. anes sone sooouoedeacoapeecsoas 
maclure, the osage-orange Pulvinaria.......-..-.--.----- 
Pumpkin (see also Cucurbits). 
food plant of Anasa tristis.........--------------+-+++---- 
Diabrotica 12-punctata..........-.----------- 
LONGICONRIS eee ee eee eee 
ss QUA sds aeeco ne dade 56 ee asaae 
Melittia satyrinifonmis. ... ..- <2 eco. cone ea == 
Purslane, food plant of Aphis gossypii.....----.-------------- See 
Pyrethrum against clover mite..........-.------------------------- 
COCITOACHOS ies nae cere iteie te = athe ea teeie a peleta teeta ets 
Tif Cea I A ae ena ISO SOHeon ae 
INOUSAICANLIDEOOs serena] secre eases == == Ream 
imported cabbage worm...........-.----------- 
THICLOMNA HS betel este ee eee eee alien ee eile miei 
THOSCU LORS sme tiene atinw ate sininine le er eine ereiniate 
Sah Gril ees baenspenor sac SS eiseeees Cee 
striped cucumber beetle.......-.-...-..--...--- 
ineffective against rose-chafer...........-..---..-------- 
strawberry weevil...........seccese-- 
Circular 
No. 
Page. Figure. 
