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The "ghost moth" (Dalaca rufescens Hampson) in Natal (Lepidoptera: Hepialidae)
by Joubert, P. C.;
Callno: 05:63(680)
Serial
The toxicity of contact insecticides to seed-infesting insects. Series 2. Tests with pyrethrum in direct application
by Joubert, P. C.;
Callno: 05:63(680)
Serial
The toxicity of contact insecticides to seed-infesting insects : tests with pyrethrum fog
by Joubert, P. C.;
Callno: 05:63(680)
Serial
The toxicity of contact insecticides to seed-infesting insects. Series no. 4. Tests with pyrethrum and malathion on infested maize
by Joubert, P. C.; de Beer, P. R.;
Callno: 05:63(680)
Serial
The toxicity of contact insecticides to seed-infesting insects. Series no. 6. Tests with bromophos on maize
by Joubert, P. C.; de Beer, P. R.;
Callno: 05:63(680)
Serial
The toxicity of contact insecticides to seed-infesting insects. Series no. 5. Tests with various pyrethrum formulations
by Joubert, P. C.; Du Toit, D.;
Callno: 05:63(680)
Serial
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