142 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
TaBLE XXI.—Places of entrance of fruit by total larvx for each tree of each plat. Sauga- 
tuck, Mich., 1909—Continued., 
PLAT Hl. ONE SPRAY. 
Number of larvee for each tree. 
Brood and place of entrance. | 
| Tree | Tree Tree Tree Tree Tree Tree Tree 
| 224. 225. 232. 236. 237. 238. 239. 244, 
First brood: 
Calves 23 26 ss. ascites oan Pe 5 Sl lpa tess 2) Voatis ects 24 1 3 
BG Gr eprom ee see a os: eta oe 86 6 15 24 i 5 2 31 
Stems sates tne 2 Cees 2 TE eras ee eee 1 Jlox38252 eee ee Sel eee ee eee 
DOES SG ores AOE ao oe OR EN 93 10 15 27 7 a 3 34 
Second brood: 
12) Ip). A eee een vn A 9 4 1 6 4 1 1 1 4 
Sided cacti eho hat oases saree | 356 141 416 370 161 43 75 492 
Siem aaah aae oe aes Oil sos cee alleys oinete Cal ee errata te AI erence, ae 2 
Mo talhynas a5) ee ee eee 369 142 422 378 162 44 76 498 
Number of larvee for each tree. P Total 
’ er- - 
5 centage pee of 
Brood and place of entrance. Total of larvee ‘i 
Tree reek ibree Tree Tree for enter- 5 aaa Al 
2. 246 9 952 26 i 
245. 246. | 249, | 252. 266. plat Ine iancode: 
First brood: 
Bvexet i aes fos eas eee ete 2 1 Ma Bese armalacrecoac 20 T5388 Ssseee ee 
[S10 (e Repeater Pee nee Ee OR ek a lea 40 13 | 6 1 9 245; || S0NAls |e aeeeeee 
Stems. ts Byers Nag ake eed SEN ale ee Dil ie hansteiera| Gee epsetes tienes 6 Dazed erent, 
OMe) ee eee OSeaee ede. 42 16 7 1 9 27h ocean eee eee 
Second brood: | 
Callyar aed a eons ept acne ees ol ere Aon |e 2 37 IAC ete eee 
Sits Cane 5 Oe ae eee Soe ee 297 176 | 67 | 52 LSU QA Did |e cere 
Stem sae cee. ac oak ee 13 7 eae een mens 1 33 PLGHik See 
HiNeteles {eee <=. kate dS pe gi9| 190] 7 | 52'| “aaa | Se herllbeeemees 3,118 
A study of the percentages of larvee of the respective broods enter- 
ing the calyx, side, and stem ends of the fruit for each plat, as shown 
in Table XXI, presents some points of interest. On all plats a 
greater percentage of larve of the first brood entered at the calyx 
than was true of larve of the second brood. Thus, on the un- 
sprayed plat (1), 85.20 per cent of the first-brood larve entered at 
calyx as against 50.45 per cent of second-brood larve. On Plat II 
(demonstration) 20.95 per cent of first-brood larve entered at calyx 
end as compared with 0.52 per cent of second-brood larve, while on 
Plat IIT (one spray) 7.38 per cent of first-brood larvee entered at calyx 
and 1.30 per cent of second-brood larve entered at this place. 
Attention should also be called to the ratio of increase of larve 
between the first and second broods. On Plat I (unsprayed) for 
every larva of the first brood there were 1.82 second-brood larve, 
whereas on Plat I] (demonstration) and Plat III (one spray) for each 
larva of the first brood there were 7.7 and 10.5, respectively, of the 
second brood. 
