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Seasonal Abundance of a Pupal Parasitoid, Diapetimorpha introita (Hymenoptera: Ichneumonidae)

D. K. Jewett and J. E. Carpenter
The Florida Entomologist
Vol. 84, No. 1 (Mar., 2001), pp. 50-54
DOI: 10.2307/3496662
Stable URL: http://www.jstor.org/stable/3496662
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Seasonal Abundance of a Pupal Parasitoid, Diapetimorpha introita (Hymenoptera: Ichneumonidae)
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Abstract

Seasonal abundance of a pupal parasitoid Diapetimorpha introita (Cresson) (Hymenoptera: Ichneumonidae) and the beet armyworm Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae) was monitored with pheromone-traps. D. introita males were caught in wing traps baited with live females, and beet armyworm males were caught in bucket traps baited with synthetic pheromone. The greatest number of D. introita adult males was caught during early autumn, approximately one month after the greatest number of beet armyworm males was caught, and represents the most convenient time during which to conduct trapping experiments. /// La abundancia estacional del parásito pupal Diapetimorpha introita (Cresson) (Himenóptera: Ichneumonidae) y de Spodoptera exigua (Hübner) (Lepidóptera: Noctuidae) fue observada con trampas de feromona. Machos de D. introita fueron capturados en trampas de ala con señuelo de hembras vivas, y machos S. exigua fueron capturados en trampas de cubo con señuelo de feromona sintética. La mayor captura de machos adultos D. introita fue alcanzada durante el comienzo del otoño, aproximadamente un mes después de que el mayor numero de S. exigua fue capturado, y representa el tiempo más conveniente para conducir experimentos de trampas.

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