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Abstract
<p>The mango crop is attacked by various pests, in Arcelia, Tierra Caliente, Guerrero, Mexico. Scale insects (Hemiptera) and thrips (Thysanoptera) were identified, the pesticides imidacloprid, spinosad, sulfur and mineral oil were tested against them, as well as their effect on fruit quality, using pest action thresholds. The thrips <em>Frankliniella invasor</em> appeared in the highest populations, but <em>F. difficilis</em>, <em>F. occidentalis</em>, <em>F. fortissima</em>, <em>F. cephalica</em>, <em>Leptothrips macconnelli</em>, <em>L. bifurcatus</em> and <em>L. theobromae</em> were also found. It was observed that mineral oil maintained the lowest populations and least damage in fruit; thrips species did not cause significant damage because they were seasonal pests that only occur when soft tissue is available in plants and once this tissue becomes unavailable populations diminish without the need of insecticides. The mite <em>Cisaberoptus kenyae</em> was identified, which in high populations can cause crop damage; for its control sulfur yielded better results. The scale <em>Milviscutulus mangiferae</em> was present in very low populations. Treatment with mineral oil resulted in the highest quality fruits.</p>
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