Abstract
Residual control of Eutetranychus banksi (McGregor), lasted for 2 months or more with 440 and 410 oils, but populations were generally smaller following 440 oils than following 410 oils during the 1963–66 period. Populations were similar following 448 paraffinic oil, 443 naphthenic oil, and dicofol-malathion. For 2 months or more following 1.0% post-bloom oil, control of Texas citrus mites with 448 paraffinic oil was better than with 410 or 412 paraffinic oils. Smaller mite populations were generally found following 1.6% 448 paraffinic oil than 410 paraffinic oil applied in June, July, or August. Erratic control was found following post-bloom oil and selective miticide treatments during 1965 when large initial populations were present.
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