CONTENTS: 
STIR ITER SOE etre as SS a ee eS een ce aia 2 Seo - cs eee te 
The chinch bug (Blissus leucopterus Say) ...--.-------------------- 
TORS LOL ea Se ee on ee ee 
QS 8 TE NE) ae ae PP Se ne eat 
Helereepee eee ese as a ee ae os wes oie ee a Se 
Pie eet eR ee ae eo se eck Soe aan oles aes 
TAEPIOU SS Srl Gh SOR gst Oe Seen eh ee ee one OE are 
ILS TSO aS ae Ss ie Oe pe eee ee 
CR Main ons Se a ee eee eS ee 
[Preventives and, remedies: <2 525.505... so 2s eeta elses 2-2 =< 
Barinevover waste lanGs- 220522 - sessed eet -e see see 5 -- 
Siar Se te SE ps ae antic iain aS pias 2 Sine wines nmi S'e 
pene ee eee me ee ec dscns sce an tes 
Ptomilera Oe ieee cee ain nS ao aoe oem means Sinrm 
Spreyine -...= 55. Ee ney RAS Els ohana ib eit eters 
Etech NUNEOWS to) dene ae cow eo so - e  esec eee se 
Cloalignt Omani eG eae es so eSeceppa ed Se aeCT es aoeeee Saar ee 
Control by iungous diseases... .2-.-.-422--+-5----52 
The Hessian fly (Cecidomyia destructor Say) .-..------------------- 
Economic importance and general characteristics - --------- 
[OASHEUDIN OT 5 eas 4a Oe ee een aaa ao oo ees peeraee 
Natural history, and habits? 22. 2...---<2+:--------------- 
Teyeevel Olay lovey Aes Be ee ee ae ee epee oe ee mes 
iol GOCE 4 Ssoer Seed o Oa Deo e ne on oe ee ce eos r aE eeaes 
Preventive and remedial measures: _-.----.-.---«2---+------- 
Late planting of winter wheat...--..--------------------- 
Bornine stwbbless.-2 522-82 se 65/2 <2 Ses cs eee Se 
Plowimpanger stubbles oc: . <2. 5-22. -2-2c2s-- 225-5225 
MEA UGE NEDO DS tae Seis oe a= inate Sooo cee sein goe as ok 
Trap ormecoy plantings: 2... 2..2--.. ---+--+---.--------=- 
Destruction ot volunteer wheats.22---2--.---------------- 
(mo winhwolanesistalltnw edits aera = siete ers lo eer 
The wheat midge (Diplosis tritici Kirby) ...---.------------------- 
Nine WRONMIARN CSS 25 hone Som se s< ssp kee a cose ose 
Where they Oviposit=.2..2....:..2----2-----2---.------+ 
Witality of the larva -.-2....-2-2---2-------25----0s+ss--- 
]EIRERSMGNKES 6 os Hoe OS SA See Scone Se ea DASA eS on er Ccmesoee aaa 
The wheat plant-louse (Nectarophora cerealis Kalt.) .--.------------- 
Oro atens cs 3 a ete AGN 3 So ale OMI ee baene oe BR Pee 
Mien it Appears < -=..cas26sakseo< see nn - 52-2 Sec ns==- 
eines enemies: see eee Joo ee oan dew esos. ete eee 
(Chie OH SEES OF Ae ene 6 URE ACO Beep Seen ace 
eMoMneG yee oe eta = a Le iolne anon ae se Ssacecen eels 
The wheat straw-worms (Jsosoma tritici Fitch and Isosoma grande Riley ) 
The wheat joint-worm (Jsosoma tritici Fitch) -.---------------- 
The wheat straw-worm (Jsosoma grande Riley) ---------------- 
Difference in appearance of the two broods. --------------- 
Paraniviqreneniess =~ Ui... 262 Soca cect an soe 22 ++ 55-2 
