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CINARA CRONARTII ON THE ROOTS OF PINE TREES (HOMOPTERA : APHIDIDAE)VAN RENSBURG NJ.1979; J. ENTOMOL. SOC. SOUTH AFR.; ISSN 0013-8789; ZAF; DA. 1979; VOL. 42; NO 1; PP. 151-152; BIBL. 2 REF.Article
THE EFFECT OF FOLIAR SPRAYS WITH BROAD-SPECTRUM ORGANOPHOSPHATES ON THE COCCINELLID AND SYRPHID PREDATORS OF GRAIN-SORGHUM APHIDSVAN RENSBURG NJ.1978; J. ENTOMOL. SOC. S. AFR.; ISSN 0013-8789; ZAF; DA. 1978; VOL. 40; NO 2; PP. 305-309; BIBL. 8 REF.Article
A TECHNIQUE FOR REARING THE BLACK PINE APHID, CINARA CRONARTII. T. AND P., AND SOME FEATURES OF ITS BIOLOGY (HOMOPTERA; APHIDIDAE)VAN RENSBURG NJ.1981; J. ENTOMOL. SOC. S. AFR.; ISSN 0013-8789; ZAF; DA. 1981; VOL. 44; NO 2; PP. 367-379; BIBL. 1 P.Article