NATURAL DISTRIBUTION OF HYMENOPTERAN PARASITOIDS OF SPODOPTERA FRUGIPERDA (LEPIDOPTERA: NOCTUIDAE) LARVAE IN MEXICO

A survey of parasitoids of fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith), larvae was conducted in six Mexican states during August and September 2000. Thirteen genera of hymenopteran parasitoids were recovered representing the following 3 families, Braconidae: Aleoides, Chelonus, Cotesia,...

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Bibliographic Details
Published in:The Florida entomologist 2004-12, Vol.87 (4), p.461-472
Main Authors: Molina-Ochoa, Jaime, Carpenter, James E, Lezama-Gutiérrez, Roberto, Foster, John E, González-Ramírez, Martín, Angel-Sahagún, César Andres, Farías-Larios, Javier
Format: Article
Language:English
Subjects:
Armyworms
Braconidae
Campoletis
Chelonus
Corn
Entomology
Eulophidae
fall armyworm
FALL ARMYWORM 2004 SYMPOSIUM PAPERS
Geodetic position
geographical distribution
habitats
host plants
Hymenoptera
Ichneumonidae
Insect larvae
insect surveys
Larvae
Meteorus
Ophion
Parasitism
Parasitoids
Pristomerus
Sorghum
Spodoptera frugiperda
survey
Sustainable agriculture
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Summary:A survey of parasitoids of fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith), larvae was conducted in six Mexican states during August and September 2000. Thirteen genera of hymenopteran parasitoids were recovered representing the following 3 families, Braconidae: Aleoides, Chelonus, Cotesia, Glyptapanteles, Homolobus, and Meteorus; Ichneumonidae: Campoletis, Eiphosoma, Ophion, and Pristomerus; and Eulophidae: Aprostocetus, Euplectrus, and Horismenus. Out of 5591 FAW larvae collected, 772 produced parasitoids, for a parasitism rate of 13.8%. The highest rate of parasitism from a single collection was 42.2%, representing three species of parasitoids in Michoacán. Chelonus insularis Cresson was the most widely distributed species occurring in 45.3% of the locations. Pristomerus spinator (F.), and Meteorus laphygmae (Viereck), exhibited the highest rates of parasitism for a single collection with 22.2% and 22.1%, in Sinaloa, and Michoacán, respectively. The results supported the hypothesis that natural distribution and rates of parasitism of FAW larvae may be related to more diverse habitats with more forests, orchards, and pastures near to cornfields.
ISSN:0015-4040
1938-5102
DOI:10.1653/0015-4040(2004)087[0461:NDOHPO]2.0.CO;2