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  1. Article: A potential rearing method to optimize survival and reproduction of Neoleucinodes elegantalis (Guen., 1854) (Lepidoptera: Crambidae)

    Pablo da C. Gontijo / Júlio C. Martins / Ézio M. Silva / Hudson V. V. Tomé / Rodrigo S. Ramos / Ricardo S. Da Silva / Marcelo C. Picanço

    Entomological Communications. 2022, v. 4

    2022  

    Abstract: The aim of this study was to develop a simple and efficient laboratory rearing method for Neoleucinodes elegantalis (Guen., 1854) (Lepidoptera: Pyralidae). To this end, seven bioassays were performed to evaluate the survival and reproductive ... ...

    Abstract The aim of this study was to develop a simple and efficient laboratory rearing method for Neoleucinodes elegantalis (Guen., 1854) (Lepidoptera: Pyralidae). To this end, seven bioassays were performed to evaluate the survival and reproductive characteristics of N. elegantalis for rearing populations in the laboratory with artificial and natural fruits. Neoleucinodes elegantalis was affected by the size and color of artificial fruits and the number of couples per cage. It was found that larvae fed with natural fruits of Solanum gilo had a greater survival rate and larval and pupal duration. Pupal survival rate did not differ between treatments. However, pupae of larvae fed S. gilo and S. melongena had the highest weights in both males and females. The highest percentage of fully formed adults was observed in the S. gilo treatment. The sex ratio did not differ between treatments, and the increase in larvae per fruit decreased larval survival, which was not observed in pupae. The results obtained in this study are significant because they reveal biological, ecological, and behavioral aspects of N. elengantalis and contribute to the expansion of techniques for mass rearing of this insect pest in the laboratory, which is essential for several other entomological studies.
    Keywords Neoleucinodes elegantalis ; Pyralidae ; Solanum aethiopicum ; cages ; color ; fruits ; insect pests ; larvae ; pupae ; sex ratio ; survival rate
    Language English
    Publishing place Sociedade Entomológica do Brasil
    Document type Article
    ISSN 2675-1305
    DOI 10.37486/2675-1305.ec04008
    Database NAL-Catalogue (AGRICOLA)

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  2. Article ; Online: A potential rearing method to optimize survival and reproduction of Neoleucinodes elegantalis (Guen., 1854) (Lepidoptera

    Pablo da C. Gontijo / Júlio C. Martins / Ézio M. Silva / Hudson V. V. Tomé / Rodrigo S. Ramos / Ricardo S. Da Silva / Marcelo C. Picanço

    Entomological Communications, Vol

    Crambidae)

    2022  Volume 4

    Abstract: The aim of this study was to develop a simple and efficient laboratory rearing method for Neoleucinodes elegantalis (Guen., 1854) (Lepidoptera: Pyralidae). To this end, seven bioassays were performed to evaluate the survival and reproductive ... ...

    Abstract The aim of this study was to develop a simple and efficient laboratory rearing method for Neoleucinodes elegantalis (Guen., 1854) (Lepidoptera: Pyralidae). To this end, seven bioassays were performed to evaluate the survival and reproductive characteristics of N. elegantalis for rearing populations in the laboratory with artificial and natural fruits. Neoleucinodes elegantalis was affected by the size and color of artificial fruits and the number of couples per cage. It was found that larvae fed with natural fruits of Solanum gilo had a greater survival rate and larval and pupal duration. Pupal survival rate did not differ between treatments. However, pupae of larvae fed S. gilo and S. melongena had the highest weights in both males and females. The highest percentage of fully formed adults was observed in the S. gilo treatment. The sex ratio did not differ between treatments, and the increase in larvae per fruit decreased larval survival, which was not observed in pupae. The results obtained in this study are significant because they reveal biological, ecological, and behavioral aspects of N. elengantalis and contribute to the expansion of techniques for mass rearing of this insect pest in the laboratory, which is essential for several other entomological studies.
    Keywords Rearing method ; insect biology ; small tomato borer ; Solanaceae ; tomatoes ; Zoology ; QL1-991
    Language English
    Publishing date 2022-03-01T00:00:00Z
    Publisher Sociedade Entomológica do Brasil
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article: Natural mortality factors of tomato leafminer Tuta absoluta in open‐field tomato crops in South America

    Bacci, Leandro / Ézio M Silva / Gerson A Silva / Laércio J Silva / Jander F Rosado / Richard I Samuels / Marcelo C Picanço

    Pest management science. 2019 Mar., v. 75, no. 3

    2019  

    Abstract: BACKGROUND: Little importance has been given to the role of natural mortality factors (biotic and abiotic) in the regulation of tomato leafminer Tuta absoluta (Lepidoptera: Gelechiidae) populations. The present study determined the action of mortality ... ...

    Abstract BACKGROUND: Little importance has been given to the role of natural mortality factors (biotic and abiotic) in the regulation of tomato leafminer Tuta absoluta (Lepidoptera: Gelechiidae) populations. The present study determined the action of mortality factors on T. absoluta populations infesting cultivated tomato crops. Eighty ecological life tables for T. absoluta in field cultivated tomato plants were constructed and analyzed. RESULTS: Total T. absoluta mortality was 99.08%, with 38.76% mortality during the egg phase, 57.20% in the larva phase and 3.12% in the pupal phase. The main mortality factors during the egg stage were predation, parasitism and egg inviability. In the larval stage, the main mortality factors were predation, parasitism, entomopathogenic agents and physiological disorders. In the pupal stage, the main mortality factor was predation. The larvae of the third and fourth instar were more susceptible to the action of mortality factors and the predatory wasp, Protonectarina sylveirae, was the main insect predator of these larvae. CONCLUSIONS: The T. absoluta population is regulated under field conditions by the action of natural enemies of the larvae. The predatory wasp P. sylveirae is very important in the regulation of T. absoluta populations in open‐field tomato crops in Brazil. © 2018 Society of Chemical Industry
    Keywords Tuta absoluta ; crops ; eggs ; instars ; larvae ; life tables ; mortality ; natural enemies ; parasitism ; pest management ; predation ; pupae ; tomatoes ; wasps ; Brazil
    Language English
    Dates of publication 2019-03
    Size p. 736-743.
    Publishing place John Wiley & Sons, Ltd
    Document type Article
    Note JOURNAL ARTICLE
    ZDB-ID 2001705-4
    ISSN 1526-4998 ; 1526-498X
    ISSN (online) 1526-4998
    ISSN 1526-498X
    DOI 10.1002/ps.5173
    Database NAL-Catalogue (AGRICOLA)

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