60 PARASITES OF THE COTTON BOLL WEEVIL. 
; Page. 
Omphale livida, parasite of Ceutorhynchus rapx.....-..:..-..----+------+----- 3 
Onagra biennis, food plant of Tyloderma foveolatum.........-....-------+---- 34, 36, 47 
Opthahis crotchz; biological motes’. sas sot yo ie eee eae eee eee 47 
breeding pemodasts 2. wchiceaeie ices ca ehe 2 ee eee cece 49 
host.of Hunjtoma tulodermatiss-2. -eesaetese eee eee ee 34-42 
Microbrocon 1aiperus s25258-S. ese eee oe eee 44 
Tetvasiichiisisp >. sew sce SS eee eee ee oe ee 43 
an, Monizelia, Wud =| on ee ee Se ec a ae ee ee eee 34 
Parasites» factonumucontrol of bollsweevilesssss2 eee ete ee eee gah 
known tovattack-Rhynchophoras:2< 253". te -ceseece oe acre eee 41-44 
of boll weevil, artificial propagation:<-4-.:cetes Soe ase ee eee 4, 22 
bibliography... “ise tes 2¢ hee eee eee 51-52 
biological notessotxctte aig Ee bet ee ee oe 32-41 
biologies of weevils contributing them.........-.---- 44-48 
breeding'records of 1906+ 302 fro 53 oe eR ee 13-22 
. brecditia wobec 22 Seo eee ee Se eee ee 11, 27-41 
CONCLUSIONS Ss! jo asec oe) Bee es Soto Bee eee 50 
Tromewouke ond G0 G5=-eer eee eee 21-22 
elimination of natural hosts [other weevils]. ....-.-.--- 4-5 
examimatrombworks ese ee cat le ee ee 11-22 
field works 7s: soscatpcetc lone tees =e ce eee 24-27 
geographical and seasonal distribution...........-.--- 31-32 
hibernation anybolll sees a sea = See ee eee ee eee 12 
WistOry 2722.0 Bol skeet Aes see eee eee ee eee 1O=11 
intensive Centersie.cs4-52% oes os be ee eee 9 
OCCUIFENCELOLSDECLES see ee eer ne oe eaeee eee eee 28-31 
percentage in bolls versus squares in 1905........----- 13 
propagation workeonsscelt fee. ce igseee eee 11, 22-27 
PIOspects: tse Sse Sse Se ee ee 50 
records priorto 19067225. 2 ee Lee = Sh oe eee ee 12-13 
release €xperimentsn.<... inh <ctee- 22 ee eee 24-27 
rotation of hostsié-t2q<h<cG=0: is JU eee ee 48-49 
schemes for increasing their work. .... Pe Me SS Ps acs 48 
SOUrCE Work vee ee se eee be ee te eee or 11, 41-50 
transfer or artificial propagation, apparatus and diffi- 
culties. oie ett goss ig c Eee ke eee ee 22-24 
workon90G ¢conclusions=eessee eee eee eee ae 11, 50 
Parasitism.and status of oll weevil-cc- a. 2 tence eee’ ope eee eee eee 19-20 
of boll weevaliandychronologyetascb tae ee RS eee 2 ee 21, 
bynmlonthis, 1906.2 e832 soe ek ot ece a eee eee 14 
fieldiconditionsss< 32 Gahaks hee aos oc e  eeee ee 17-18 
geographical. considerations;.<2% ---pie<<-as2----<s-0 18-19 
im itallen* boll sine ase Sasa eee eae 14, 15, 16, 21 
FORMS 22 fo58 Be. Se eee eee eee Repdes 
in shade versus sun.......-------- 17, 18, 22 
SQURTeR Meee asec 3 ae ee ns 14, 15, 16, 21 
forms in prairie versus woodland........-..---- 17, 18,22 
ihanein os balllseee=eeeeeseras eh OE Oy 9 2a 14, 15, 16, 21 
fOTIMS wats AOS sels Se wee ee eee 22 
SQMares He sssese cele tase eee 14, 15, 16, 21 
percentage by years, prior to 1906.........----------- 11 
plant conditions most favorable..........----------- 15-17 
Peach curculio. (See Conotrachelus nenuphar.) 
