Fall armyworm females choose host plants that are detrimental to their offspring's performance but young larvae amend their mother's choices.
| Title: | Fall armyworm females choose host plants that are detrimental to their offspring's performance but young larvae amend their mother's choices. |
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| Authors: | Ortiz‐Carreón, Fabián R., Bernal, Julio S., Rojas, Julio C., Cruz‐López, Leopoldo, Kolomiets, Michael V., Malo, Edi A. |
| Source: | Entomologia Experimentalis et Applicata; Jan2025, Vol. 173 Issue 1, p21-31, 11p |
| Subject Terms: | FALL armyworm, LARVAL dispersal, HOST plants, JASMONIC acid, PLANT selection |
| Abstract: | Fall armyworm (FAW), Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), has a long association with maize (Zea mays mays L., Poaceae) and is among the crop's most significant pests worldwide. We contrasted the preference for and performance of FAW on three maize cultivars: the Mexican landrace Tuxpeño, the USA inbred B73 and B73‐lox10; B73‐lox10 is deficient in production of jasmonic acid (JA), green leaf volatiles (GLVs) and herbivore‐induced plant volatiles (HIPVs). Female oviposition and neonate colonization preferences were assessed in triple‐choice tests in greenhouse settings. Performance was assessed on the bases of larval, pupal and adult weights, larval and pupal development times, and adult longevity. We expected females to preferentially oviposit on plants on which their offspring performed best, and neonates to randomly colonize plants because they disperse aerially, presumably oriented solely by wind currents. Females preferred to oviposit on Tuxpeño plants, followed by B73‐lox10 and B73 plants, whereas their offspring performed best on B73‐lox10 and poorest on Tuxpeño. In contrast, neonates preferentially colonized plants on which they performed best, B73‐lox10, though initially and transiently they colonized plants on which they performed poorly, B73 and Tuxpeño. Altogether, our results showed that FAW females preferred to oviposit on maize plants on which their offspring's performance was poorest (Tuxpeño), and neonates preferentially colonized plants on which their own performance was best (B73‐lox10), though they initially colonized plants that were detrimental to their performance (Tuxpeño, B73). These results suggested that the ovipositional choices of FAW mothers are uncoupled from their offspring's performance, but newborn offspring rectified their mother's sub‐optimal host plant choice by colonizing plants that enhanced their own performance. Notably, these results also suggested that aerially dispersing (ballooning) FAW larvae do not colonize plants randomly, and that plant volatiles (GLVs, HIPVs) and JA may be relevant to host plant selection by ballooning larvae. [ABSTRACT FROM AUTHOR] |
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| Database: | Complementary Index |
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| Items | – Name: Title Label: Title Group: Ti Data: Fall armyworm females choose host plants that are detrimental to their offspring's performance but young larvae amend their mother's choices. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Ortiz‐Carreón%2C+Fabián+R%2E%22">Ortiz‐Carreón, Fabián R.</searchLink><br /><searchLink fieldCode="AR" term="%22Bernal%2C+Julio+S%2E%22">Bernal, Julio S.</searchLink><br /><searchLink fieldCode="AR" term="%22Rojas%2C+Julio+C%2E%22">Rojas, Julio C.</searchLink><br /><searchLink fieldCode="AR" term="%22Cruz‐López%2C+Leopoldo%22">Cruz‐López, Leopoldo</searchLink><br /><searchLink fieldCode="AR" term="%22Kolomiets%2C+Michael+V%2E%22">Kolomiets, Michael V.</searchLink><br /><searchLink fieldCode="AR" term="%22Malo%2C+Edi+A%2E%22">Malo, Edi A.</searchLink> – Name: TitleSource Label: Source Group: Src Data: Entomologia Experimentalis et Applicata; Jan2025, Vol. 173 Issue 1, p21-31, 11p – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22FALL+armyworm%22">FALL armyworm</searchLink><br /><searchLink fieldCode="DE" term="%22LARVAL+dispersal%22">LARVAL dispersal</searchLink><br /><searchLink fieldCode="DE" term="%22HOST+plants%22">HOST plants</searchLink><br /><searchLink fieldCode="DE" term="%22JASMONIC+acid%22">JASMONIC acid</searchLink><br /><searchLink fieldCode="DE" term="%22PLANT+selection%22">PLANT selection</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Fall armyworm (FAW), Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), has a long association with maize (Zea mays mays L., Poaceae) and is among the crop's most significant pests worldwide. We contrasted the preference for and performance of FAW on three maize cultivars: the Mexican landrace Tuxpeño, the USA inbred B73 and B73‐lox10; B73‐lox10 is deficient in production of jasmonic acid (JA), green leaf volatiles (GLVs) and herbivore‐induced plant volatiles (HIPVs). Female oviposition and neonate colonization preferences were assessed in triple‐choice tests in greenhouse settings. Performance was assessed on the bases of larval, pupal and adult weights, larval and pupal development times, and adult longevity. We expected females to preferentially oviposit on plants on which their offspring performed best, and neonates to randomly colonize plants because they disperse aerially, presumably oriented solely by wind currents. Females preferred to oviposit on Tuxpeño plants, followed by B73‐lox10 and B73 plants, whereas their offspring performed best on B73‐lox10 and poorest on Tuxpeño. In contrast, neonates preferentially colonized plants on which they performed best, B73‐lox10, though initially and transiently they colonized plants on which they performed poorly, B73 and Tuxpeño. Altogether, our results showed that FAW females preferred to oviposit on maize plants on which their offspring's performance was poorest (Tuxpeño), and neonates preferentially colonized plants on which their own performance was best (B73‐lox10), though they initially colonized plants that were detrimental to their performance (Tuxpeño, B73). These results suggested that the ovipositional choices of FAW mothers are uncoupled from their offspring's performance, but newborn offspring rectified their mother's sub‐optimal host plant choice by colonizing plants that enhanced their own performance. Notably, these results also suggested that aerially dispersing (ballooning) FAW larvae do not colonize plants randomly, and that plant volatiles (GLVs, HIPVs) and JA may be relevant to host plant selection by ballooning larvae. [ABSTRACT FROM AUTHOR] – Name: Abstract Label: Group: Ab Data: <i>Copyright of Entomologia Experimentalis et Applicata is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1111/eea.13512 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 11 StartPage: 21 Subjects: – SubjectFull: FALL armyworm Type: general – SubjectFull: LARVAL dispersal Type: general – SubjectFull: HOST plants Type: general – SubjectFull: JASMONIC acid Type: general – SubjectFull: PLANT selection Type: general Titles: – TitleFull: Fall armyworm females choose host plants that are detrimental to their offspring's performance but young larvae amend their mother's choices. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Ortiz‐Carreón, Fabián R. – PersonEntity: Name: NameFull: Bernal, Julio S. – PersonEntity: Name: NameFull: Rojas, Julio C. – PersonEntity: Name: NameFull: Cruz‐López, Leopoldo – PersonEntity: Name: NameFull: Kolomiets, Michael V. – PersonEntity: Name: NameFull: Malo, Edi A. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Text: Jan2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 00138703 Numbering: – Type: volume Value: 173 – Type: issue Value: 1 Titles: – TitleFull: Entomologia Experimentalis et Applicata Type: main |
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