, 
30 BULLETIN NO. 1, DIVISION OF ENTOMOLOGY. 
Table of exact experiments. 
| ' 
Percentages. E After spraying. 
| | K Bsa _ 3 
ka | ee S nee 
a} 2. z| = 
o n ond = 3 
Date. a} 2 ;2o eo]. a Q Remarks. 
: a= iG a |Hsé alu! § oe 
| 3 | Elg S| 2 Date. fs4 |lietslalin ° 
a m | Sas cay \fis | ey a 
ens O i) an . x (0) o oO to 
es ves a liazes |e |e a | 8 a | 
Sasa =i ire) ierceabs= Sai eale Sa" ate By 
jeShe) Beale |e. bel lve (S| 3) ete | Ss 
ZA) 8 |e |e lala la Ald |a | 4 n 
i ana ae 3 f ieee | "Tr il 
Aug.16| 2 | M. g.| 24 | 43 | 27) 0/| 183 | Aug 18) 2] 0] 1 |,140 | 1- 5 | One part murvite to five 
| | parts water. 
16 | 3|M.g.| 23 | 46 | 26 | 4 | 140 18 |2)0j) 41] 173) 1-10 
16; 4 | M. g.| 35 | 33 | 29} 2 | 153 18 |2;0)} 6 | 181 | 1- 20 
16 | 5/M.g.| 29] 42} 28] 1 | 187 | 18} 2/0} 7 145 | 1- 30 : 
Sept. 12 | 8 |M.g.| 15 | 32 | 31] 0 | 161 | Sept. 14 | 2|0| 6 | 123 | 1- 10 
12| 9/M.g.| 18] 40} 33 | 5 129 | 14)2/0)] 2) 170} 1— 20 
| 
12 | 10 | M.g.| 12! 47 | 36| 1 | 143 1420200) 3) 162) e030 
12 | 11 |M.g.| 12 | 41} 43 | 1 | 147) 14} 2]0]| 9 | 180] 1-40 
12 | 12 | M.g./ 19 | 40] 31| 6 | 136 | 14 | 2] 0 | 28 | 182 | 1- 50 
12 | 13 | M.g.}11 | 51 | 38] 3 | 171 14) 21] 0 | 11 | 161 | 1- 60 | 
12| 14 |M.g.|10| 41/39) 2 | 134 14/2) 0.) 7) 478 (1-.70 
12 | 15 | M.g.| 10 | 41 | 18 | 27 | 161 14 | 2/0 | 10 | 134 | 1- 80 
| 
12 | 16 | M.g.| 20 | 50 | 27} 0} 173 14 | 2) 0 | 32 | 150 | 1- 90 
12 | 17 | M.g.| 21 | 53 | 27 | 1 | 152 14 | 2 | 0 | 27 | 163 | 1-100 
2|18/M.g.|19| 60] 12] 5 | 158 TANI DSP a ese [he ess Sat. solution sulphate of 
| | | iron. 
12 | 19 | M.g.| 24 | 43 | 28 | 2 | 149 14 |2| ¢ Deere epee Sat. solution nitrate of 
| | | | potash. 
12 | 20 | M.g.| 25 | 40 | 30; 2 | 138 DAD) ies state = [sete te eiie se | Sat. solution bicarbon- 
| ate of ammonia. 
*Larvee dead; no eggs hurt. 
t Some larve dead; no eggs hurt. 
OCTOBER 6. 
dened ee Ee Tar ——— mae 
21 
; Destroyed n 2 r 
Numbers. by parasites. | 5 =f Remarks. 
fs) 
| © 
ey 
LB ee ee Une hE Rae 
No. 21.....-| Nearly all... 2 These scales were taken in masses of about 100, and the seales con- 
INSP Paceaue eG Cieee 3 taining eggs were counted. The mass consisted chiefly of broken, 
EN Oy 23 beer tel| ar Olean 0 parasitized, empty scales; some young brood recently settled. No 
INO R24 eee ee 260 scmeose 0 accurate count could be made of any but scales with eggs. Some 
ENON 255. sere esctlos acon 3 scales of P. pergandii were present. A large number of males had 
IW SAAD) Eoase Spend \ieaeneee 10 | attained their perfect form. These trees were sprayed with solu - 
INOS2ieeee HAO scenes | 12 tion 1-40; weather cold. Examined October 24; labels were illegi- 
NOs 2S8ie2 soe \teaedore ese 0 ble; some eggs and larve living were found on all. 
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