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<p>This study described key biological parameters including longevity, survival, fecundity, and fertility of <i>Scyphophorus acupunctatus</i> Gyllenhaal (Coleoptera: Curculionidae: Dryophthorinae), a major pest of agave crops, and characterized rearing outcomes of a meridic diet based on <i>Agave cupreata</i> Trel. &amp; A. Berger on its life cycle. Female and males exhibited longevities of 191.6 ± 13.9 and 178.9 ± 14.6 days, respectively, with survival rates remaining at 100% until day 106. Females laid an average of 79.25 ± 11.04 eggs over their lifespan on <i>A. cupreata</i> flower stalk cylinders, of which 40.25 ± 6.5 eggs hatched successfully. Eggs (≤ 24&#xa0;h old) incubated on the meridic diet hatched in 7.6 ± 0.2 days. Larvae developed through six instars over 157.6 ± 7.7 days before pupation. The pupa stage lasted 14.83 ± 0.34 days. Total development from oviposition to adult emergence averaged 176.8 ± 4.8 days for females and 183.2 ± 5.7 days for males. These findings provide a detailed baseline for future ecological studies and pest management strategies targeting this economically important agave pest.</p>

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Rearing performance of Scyphophorus acupunctatus Gyllenhaal (Coleoptera: Curculionidae: Dryophthorinae) on a meridic, Agave cupreata–based diet: developmental duration, survival, and reproductive parameters

  • 期刊论文

  • 发表日期：

    2026年1月14日

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  • Carlos Daniel Gómez-Ibarra,
  • Selene Ramos-Ortiz,
  • Ana Mabel Martínez-Castillo,
  • Samuel Pineda-Guillermo,
  • Luis Jesús Palma-Castillo,
  • Juan Manuel Chavarrrieta-Yáñez,
  • Yordanys Ramos,
  • Alfonso Luna-Cruz,
  • José Isaac Figueroa-De la Rosa

摘要

This study described key biological parameters including longevity, survival, fecundity, and fertility of Scyphophorus acupunctatus Gyllenhaal (Coleoptera: Curculionidae: Dryophthorinae), a major pest of agave crops, and characterized rearing outcomes of a meridic diet based on Agave cupreata Trel. & A. Berger on its life cycle. Female and males exhibited longevities of 191.6 ± 13.9 and 178.9 ± 14.6 days, respectively, with survival rates remaining at 100% until day 106. Females laid an average of 79.25 ± 11.04 eggs over their lifespan on A. cupreata flower stalk cylinders, of which 40.25 ± 6.5 eggs hatched successfully. Eggs (≤ 24 h old) incubated on the meridic diet hatched in 7.6 ± 0.2 days. Larvae developed through six instars over 157.6 ± 7.7 days before pupation. The pupa stage lasted 14.83 ± 0.34 days. Total development from oviposition to adult emergence averaged 176.8 ± 4.8 days for females and 183.2 ± 5.7 days for males. These findings provide a detailed baseline for future ecological studies and pest management strategies targeting this economically important agave pest.