American Journal of Entomology

Volume 6, Issue 4, December 2022

  • Essentials Oils (Ocimum gratissimum and Cymbopogon citratus) Against Pseudotheraptus devastans in Coconut Plantations at Marc-Delorme Station in Ivory Coast

    Akpesse Akpa Alexandre Moise, Ochou Germain Elisabeth Cynthia, Diabate Dohouonan, Kedja Bossoma Agnes Monique, Koua Kouakou Herve

    Issue: Volume 6, Issue 4, December 2022
    Pages: 94-101
    Received: 13 September 2022
    Accepted: 14 October 2022
    Published: 18 October 2022
    DOI: 10.11648/j.aje.20220604.11
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    Abstract: The bug Pseudotheraptus devastans is one of main insect pests in Ivory Coast. The objective of this study was firstly to evaluate the incidence of Pseudotheraptus devastans attacks on coconut palm plants of two varieties (GOA and NJM), and secondly to study the insecticidal activity of essential oils (Ocimum gratissimum and Cymbopogon citratus) on ... Show More
  • The Jumping Plant-Louse Colophorina baphiosis sp. nov. (Hemiptera: Psyllidae) Associated with Baphiosis parvifolia (Fabaceae) in Cameroon

    Wenceslas Yana, Victor Joly Dzokou, Yves Patrick Mveyo Ndankeu, Joseph Lebel Tamesse

    Issue: Volume 6, Issue 4, December 2022
    Pages: 102-109
    Received: 15 September 2022
    Accepted: 13 October 2022
    Published: 29 October 2022
    DOI: 10.11648/j.aje.20220604.12
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    Abstract: Psyllids are sap-sucking insects commonly called Jumping plant lice. Many psyllid species of Cameroon remain not described. Recent field works carried out in some localities of Cameroon, permitted to collect a non described psyllid species Colophorina baphiopsis sp. nov. associated with Baphiopsis parvifolia a valuable timber tree. The aim of this ... Show More
  • Comparative Study of Red Palm Weevil (RPW), Rhynchophorus ferrugineus (Coleoptera: Dryophthoridae) Reproduction Reared Using Different Diets

    Nor Ahya Mahadi, Tajul Ariffin Aziz Yusof, Wan Khairul Anuar Wan Ali, Amiran Ngah, Mazidah Mat, Anuar Abdullah, Mohd Hafizudin Zakaria, Noor Azlina Masdor

    Issue: Volume 6, Issue 4, December 2022
    Pages: 110-115
    Received: 26 September 2022
    Accepted: 14 October 2022
    Published: 29 October 2022
    DOI: 10.11648/j.aje.20220604.13
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    Abstract: Rhynchophorus ferrugineus or known as red palm weevil (RPW) is a damaging pest of coconut and many other palms. Due to its damaging nature to palms, many efforts have been taken to develop control methods of the pest which originated from laboratory studies. The use of wild-captured RPW from the field for laboratory trials would cause inconsistenci... Show More
  • Survey of the Distribution and Severity of White Mango Scale in Mango Production in Eastern Ethiopia

    Gelana Keno, Mulatu Wakgari

    Issue: Volume 6, Issue 4, December 2022
    Pages: 116-123
    Received: 2 November 2022
    Accepted: 24 November 2022
    Published: 27 December 2022
    DOI: 10.11648/j.aje.20220604.14
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    Abstract: Mango production in Ethiopia is harmed by a number of arthropod pests particularly the White Mango Scales (WMS) is major pest of grave concern to mango growers. The main objective of this study was to assess the current status of WMS insect pest in Mango production and farmers’ knowledge about the pest in eastern Ethiopia. WMS distribution and seve... Show More
  • Populations Variations and Impacts of Bemisia tabaci (Genn.) and Aphis gossypii Glov. (Hemiptera), Two Sap-sucking Insects of Pepper Capsicum annuum L. 1753

    Pierre Stephan Elono Azang, Cyril Romeo Heumou, Desiree Chantal Alene, Dounia, Vanessa Kemgang Danemo, Pierre Ngassam, Joseph Lebel Tamesse, Champlain Djieto-Lordon

    Issue: Volume 6, Issue 4, December 2022
    Pages: 124-138
    Received: 17 February 2020
    Accepted: 13 March 2020
    Published: 29 December 2022
    DOI: 10.11648/j.aje.20220604.15
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    Abstract: From April to August 2018, seasonal variation of the populations and the damage due to Aphis gossypii (Aphididae) and Bemisia tabaci (Aleyrodidae), two sap-sucking pests on Pepper (Capsicum annuum L.), was carried out in a forestry region of Cameroon with bimodal rainfall. This study focused on 133 days after transplanting (DAT). Populations were c... Show More