248 
THE PLUM CURCULIO. 
Page. 
Plum curculio, adult, extent of feeding of respective sexes...........-.--..--- . 98-99 
period of emergence. -....;/22 2-0-2. s6 a2e eee eee 92-95 
proportion. of sexes. ..2202.22/).2oe seee see eno eee See 95-96 
relative number of feeding and egg punctures......... 106-107 
appearance of beetles in spring, relation of temperature thereto. 118-120 
(Mes Ay. oS eee 112-118 
beetles (see also Plum curculio, adult). 
appearance in spring, relation of temperature thereto.. 118-120 
(IMCO Genco s aek. eee eee 112-118 
from emergence to hibernation.................--.-- 127-129 
occurrenceunorchanrdsses seers eee 120-125 
bibliography? 25. °54i2% 6 Lae ee lo ae eee 219-241 
classifications 2. x.) Us..o eee ee ee OS oe 13-14 
destription 420% 2.02.68 Sie ee ee oe eee 30-33 
distribution 2.225252 -2..2 eee eee ee ee 19-27 
accordiny to lite ZOnessee seer eae ae ee 25 
egg and feeding punctures, position on fruit and variation in 
form. 2) .'s. 225 ie aoe Bee ee 103-106 
relative numbers eee eee eee 106-107 
deserip tions ees cc epee eee ee ee ee 30 
laying and feeding activity by day and by night........ 107-110 
operation..22s-<: s Lee eee eee 99-102 
lengthy ofstacesss steer eae = se ee ee eee 48-54 
number: depositedi2:2-. sccee 2 een eee ee ae eee 39-48 
enemies: natural... 522222200. a ee Oe ee a eee 139-154 
feeding and egg laying activity by day and by night... ..-- 107-110 
punctures, position on fruit and variation in 
form: Sof MEET PANS i aan 103-106 
relative number «4: <. =: 3454-64 106-107 
food plants. : 2202 32 ot NE. 3. Pee ae eee 33-39 
fruit punctured or infested, percentage.......-....-..------- 134-139 
generations, number annually. ©) 22.22... 20. Desi ce andl 
habita ss Cssensseme es ee See See ee, ee 39-112 
hibernation. / 15.2 tes cides Mele eee Se ey ee ee ee 129-132 
mortality durme period 28 ee ee 132-134 
IShGPy = faces 3 Te Eee ee es GO: eee ee 15-19 
insects likely to be mistaken therefor. ......---....---------- 28-29 
introductions reported 2 2-22 Hi adaws see ee eee 26 
larva, descriptions 1.02.25. 72) 04 eee EOL ees ae 30-32 
habits of those just hatched and course taken in fruit.... 54-55 
INStarste se le5 7 RSE Ee 55-56 
larvee, deathi ta fruttis) 2s... 20 Ue eee eee 56-59 
fruits in which they fail to matures-2+-32--2 2222). ce 38 
manner of leaving fruit and entering soil.............-- 64-65 
normal emergence from fruit during season..-.----.----- 60-64 
undersized, desertion: Of inuditesee ese eee ee ae ee eee 59-60 
life hasbory =22 322 Se ae Se AS ae ee ee 39-112 
limit'of occurrence; northem. 2.4. ee. 6 beeen ee eee 24-25 
SOUWtHEM-aocigsee nee es eee 25 
westernt. it Atel See erase .. 21-24 
losses-due thefete....0 23-2066 (2425-5 ah ee ee 27-28 
mortality during hibermations3/25>. 2 et ene eee 132-134 
MaMes, COMMON....22 oso. sae so ee ee ee 14-15 
