TOXICITY OF ORGANIC INSECTICIDES TO CODLING MOTH 5 
TABLE 3.— Results of laboratory tests of various organic compounds used as insecticides 
against codling moth larvae—Continued 
HETEROCYCLIC COMPOUNDS WITH SULPHUR IN 5-MEMBERED RING 
er ee 
Apple plugs Stand- 
Car- | Spray | Source ard 
Compounds ia appli- of error of 
cations } larvae Total |Wormy| Stung percent 
Wormy 
Number Number| Percent rcen 
1-Anilinobenzothiazole,? C13HioN3S-_--_-_-.___ 4 1 WwW 89 85 Ne ey au 
Benzalia4 meth yl.-.27())thionaphthenone, ts be GES ESOT ATs 
Cisklys OS 2a ees oe ed ee 2 A 92 83 v1 4 [meee 
1 - Fural - 4 - methyl - 2 (1) thionaphthenone, 
(OR HE Rie Sie a Be crs Se 2 1 A 95 80 7 Sel a ae 
(Anilinomethy]l) - 1 - benzothiazolyl sulphide, 
CONV a Ge Sifsy gt ee eee Se ae 3 1 L 104 94 xp Lope Ska 
1 - (Benzoylmercapto)benzothiazole, 
CE GN@ Sao ee ee ee 1 1 L 67 70 5 +6.2 
bis-(1-Benzothiazolyl) disulphide, CysHsgNsSa_ 1 1 WwW 86 85 ay +4,3 
bis-(i-Benzothiazolyl) phthalyl disulphide, 
Car EgaiNe Oss eee os ee ee a 1 WwW 52 79 4 +8.1 
1-Benzothiazolyi-(p-toluinomethy]) sulphide, 
Grp HirdNeS ote wiee Stee es ee Ses 3 1 L 104 79 0 +5.7 
1-Benzothiazolyi-(o-toluinomethyl) sulphide, 
Se biraNG Sree nee eee emer ae 3 1 L 96 75 2 5.7 
Dibenzothiophene, CyHsS_-_..-_-_..--.-.-_-. 3 1 L 106 26 31 +4. 8 
1-Mercaptobenzothiazole, C7 HsNS--_--.----- 3 1 L 106 81 3 +4.1 
4-Methyl-2-keto-pyranothionapthene 
OSE OS eee ete 3 1 L 98 86 0 +41 
1 1 L 45 87 0 +6. 5 
4-Methyl-2-(1)-thionaphthenone, Ger wane a 
HETEROCYCLIC COMPOUNDS WITH SULPHUR IN 6-MEMBERED RING 
, y’-Dibenzophenothioxin, C29Hi:;0S_--____- 2 1 L 83 55 Qi ies senie® 
Dithiocyanophenothiazine,? Ci;H;N3S3_--__-- 4 1 A 48 67 LO | SS 
intanthrenesC wkleSss2 sess - 222 oS 3 i A 82 59 $y bess 
hioxanthydrol; | CiskyoOSs22=-222---- S522 2 1 L 100 34 a Sen 
Mioxanthone..CragkaOS= 22252 = 2 Sa 2 1 L 91 41 y (on ee 
IPRenothioxin iCrwkisgO Si ean es ee ae 7 2 A 51 43 26 +6.4 
iPhenothioxins CisHeOS ae s= = ee ee eee 14 2 A 40 60 20 +8.8 
iPhenothioxins2\@ishisOS 2226s nase nee 4 1 A 72 6 72 Ys (Ea ees 
PhHenothioxin=.©islisO Seas eee 3 1 A 215 5 7 | ee 
Phenothioxin, C1:HsO8; infested shortly after 
SDI CA LTO masse eee aia OE ae ie 3 1 A 99 9 >, Oh aE AUS eat 
Phenothioxin, CisH:OS; infested 4 days after 
TOP CHO Meee Beer Re ee 3 1 A 93 58 | Pea See 
6-Acetylphenothiazine, Crib NiOS 2 hes 12 2 WwW 53 87 0 +5.8 
Phenothiazine-S-oxide, CH yNOS_-__-_-_---- 12 2 Ww 47 95 0 +3.9 
Phenothiazone, CiuHiN QS Barc s oan as. 12 2 WwW 48 94 4 +3.9 
WHHOXAMLHONGs | O 1s bg so so oe ane e 3 1 L 07 78 0 +5.4 
HETEROCYCLIC COMPOUNDS WITH SULPHUR OUTSIDE THE RING 
N-Fural-S(o - nitrophenyl) - sulphuramine, it 
Gilg Nis Ogre ee ee ee 2 1 A 100 75 At) esas 
a-Phenyl-b-2-pyridyl thiourea, Ci:sHi1N2S___-- 2 1 L 82 52 Behe ct 
2-Thiobarbituric acid,? CsH«N2028_______-__- 4 1 A 75 69 Lid pee err 
i-Benzoxazole mercaptan, C7HsNOS--__--_-_--- 12 2 WwW 7 87 3 +6.5 
1-Benzoxazole mercaptan acetate, CesH;N0:2S_ 12 2 WwW 52 96 0 +3.5 
Benzy! ester of benzylthioxanthic acid, 
GEL Mose ee ee eee ee ee Se 15 7 A 36 86 3 +5.8 
Oi oOCOUMmMaAnin hee big Ow ee 12 2 A 34 0 6 +3.9 
DAMA OCOMM ALLE @oklg@ Sue eee eee 3 1 L 159 24 2 +3.8 
2-Thiocoumarin, CoHsOS; whole apple resid- es 
ual test, infested same day as sprayed_-___-_ 1 2 A 87 6 0 +2.7 
2-Thiocoumarin, C»HsOS; whole apple resid- . a 
ual test, infested 7 days after spraying_____- 1 2 A 86 72 1 +5. 4 
9-Thioxanthone, CisHsOS_------------------- 1 1 L 92 91 0 +2.3 
Pema siti OSE ace AA) 
HETEROCYCLIC COMPOUNDS NOT CONTAINING SULPHUR 
SoumarimrGobleOr: Sek eS 2 1 A 92 73 Ope 
Di-2-pyridylamine, CioH»N3------------------ 2 1 L 100 53 he 
eoiclacidee Ogre Ore Se ee eae 4 1 Ww 94 88 7.) ) i a 
Phthalim1des @gkisN Oo -2--=_.---s2-- 5-522 4 1 A 91 63 One == -e 
