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  • Journal Of Nematology


Research Article | 03-December-2018

Biological characterization of the entomopathogenic nematode, Steinernema innovationi: a South African isolate

Entomopathogenic nematode species perform differently under different environmental conditions; therefore, the authors investigated the biological and environmental characteristics that could optimize performance of Steinernema innovationi. The authors studied the effect of temperature on infectivity and reproduction, the foraging behavior and host range. Thermal activity was optimal between 22 and 25°C. Highest infective juvenile (IJ) yields in last instar Galleria mellonella were observed at

Tshimangadzo Ramakuwela, Justin Hatting, Mark D. Laing, Nicolene Thiebaut, Selcuk Hazir

Journal of Nematology, Volume 50 , ISSUE 4, 1–10

Research Article | 31-May-2018

Incidence of Oscheius onirici (Nematoda: Rhabditidae), a potentially entomopathogenic nematode from the marshlands of Wisconsin, USA

In a search for an entomopathogenic nematode to control cranberry insect pests, three Oscheius populations (Rhabditidae) were recovered through the Galleria-bait method from one sample taken in a wild cranberry marsh in Jackson County, Wisconsin, USA. Morphological studies with light microscopy and scanning electron microscopy, as well as molecular analyses of the near-full-length small subunit rDNA gene, D2/D3 expansion segments of the large subunit rDNA gene, internal transcribed spacer, and

Weimin Ye, Shane Foye, Ann E. MacGuidwin, Shawn Steffan

Journal of Nematology, Volume 50 , ISSUE 1, 9–26

Research Article | 03-September-2018

Molecular Identification of Entomopathogenic Nematode Isolates from the Philippines and their Biological Control Potential Against Lepidopteran Pests of Corn

In search for local entomopathogenic nematode (EPN) species as a biological control agent of lepidopterous insect pests of corn, a survey for EPN in the major islands in the Philippines was conducted. Seven EPN populations from 279 soil samples were isolated using Ostrinia furnacalis, the key target insect pest of corn in the country, as bait. Analysis of the ITS1-5.8S-ITS2 ribosomal DNA sequence revealed the presence of Steinernema abbasi, Steinernema minutum, Steinernema tami, and

Barbara L. Caoili, Romnick A. Latina, Regina Faye C. Sandoval, Joey I. Orajay

Journal of Nematology, Volume 50 , ISSUE 2, 99–110

Research Article | 31-May-2018

Postembryonic Ventral Nerve Cord Development and Gonad Migration in Steinernema carpocapsae

Steinernema carpocapsae is an entomopathogenic nematode widely studied for its properties as a biocontrol agent in insect pest management and as a model for understanding bacterial symbioses. Less attention has been given to the development of specific anatomical structures within S. carpocapsae. A better understanding of entomopathogenic nematode development and anatomy may lead to improved biocontrol efficacy. We recently demonstrated that the neuroanatomy of S. carpocapsae IJs differs from

Hung Xuan Bui, Nathan E. Schroeder

Journal of Nematology, Volume 50 , ISSUE 1, 27–32

research-article | 30-November-2020

The impact of chemical nematicides on entomopathogenic nematode survival and infectivity

Mustapha Touray, Harun Cimen, Sebnem H. Gulsen, Derya Ulug, Dolunay Erdogus, David Shapiro-Ilan, Selcuk Hazir

Journal of Nematology, Volume 53 , 1–17

Article | 21-July-2017

Steinernema biddulphi n. sp., a New Entomopathogenic Nematode (Nematoda: Steinernematidae) from South Africa

A new species of entomopathogenic nematode (EPN), Steinernema biddulphi n. sp., was isolated from a maize field in Senekal, Free State Province of South Africa. Morphological and molecular studies indicated the distinctness of S. biddulphi n. sp. from other Steinernema species. Steinernema biddulphi n. sp. is characterized IJs with average body length of 663 mm (606–778 mm), lateral fields with six ridges in mid-body region forming the formula 2,6,2. Excretory pore located anterior to mid


Journal of Nematology, Volume 48 , ISSUE 3, 148–158

research-article | 30-November-2020

Reclaimed desert habitats favor entomopathogenic nematode and microarthropod abundance compared to ancient farmlands in the Nile Basin

setting a threshold of 80% coverage, sixty seven percent (639) of the unique ASVs belong to 19 nematode families. Finally, 22 ASVs were identified as entomopathogenic nematode. The D3-D5 dataset yielded 9,637,729 reads that reduced to 3,627,990 (37%) after filtering, denoising, merging and chimera removal. The total number of unique ASVs was 2324 from 27 phyla, of which 483 belong to arthropods. Setting a threshold of 70% coverage, revealed 221 ASVs from 28 families in the class Arachnida

Alexandros Dritsoulas, Fahiem E. El-Borai, Ibrahim E. Shehata, Mostafa M. Hammam, Ramadan M. El-Ashry, Moawad M. Mohamed, Mahfouz M. Abd-Elgawad, Larry W. Duncan

Journal of Nematology, Volume 53 , 1–13

Article | 24-July-2017

The Effects of Nutrient Concentration, Addition of Thickeners, and Agitation Speed on Liquid Fermentation of Steinernema feltiae

Entomopathogenic nematode production in liquid fermentation still requires improvements to maximize efficiency, yield, and nematode quality. Therefore, this study was aimed at developing a more suitable liquid medium for mass production of  Steinernema feltiae, by assessing the effects of nutrient concentration, thickeners (primarily agar), and agitation speed on infective juvenile (IJ) yield. Base medium (BM) contained yeast extract (2.3%), egg yolk (1.25%), NaCl (0.5%), and


Journal of Nematology, Volume 48 , ISSUE 2, 126–133

Article | 21-July-2017

Curative Control of the Peachtree Borer Using Entomopathogenic Nematodes

established infestations would limit damage to the tree and prevent the next generation of S. exitiosa from emerging within the orchard. However, such curative measures for control of S. exitiosa do not exist. Our objective was to measure the efficacy of the entomopathogenic nematode, Steinernema carpocapsae, as a curative control for existing infestations of S. exitiosa. In peach orchards, spring applications of S. carpocapsae (obtained from a commercial source) were made to infested trees and compared


Journal of Nematology, Volume 48 , ISSUE 3, 170–176

research-article | 01-April-2021

First record of Oscheius myriophilus (Poinar, 1986) (Rhabditida: Rhabditidae) from Iran; and its efficacy against two economic forest trees pests, Cydalima perspectalis (Walker, 1859) (Lepidoptera: Crambidae) and Hyphantria cunea (Drury, 1773) (Lepidoptera: Erebidae) in laboratory condition

and Liu, 2019; Liu et al., 2012), O. myriophilus (Liu et al., 2016; Castro-Ortega et al., 2020), O. microvilli Zhou et al., 2017 (Zhou et al., 2017), O. safricana Serepa-Dlamini and Gray, 2018 (Serepa-Dlamini and Gray, 2018) and O. basothovii Lephoto and Gray, 2019 (Lephoto et al., 2015; Lephoto and Gray, 2019). The bacterial symbiont is the important and often overlooked determinant of success of an entomopathogenic nematode (Labaude and Griffin, 2018). O. myriophilus was described as an

Reihaneh Gholami Ghavamabad, Ali Asghar Talebi, Mohammad Mehrabadi, Mohammad Ebrahim Farashiani, Majid Pedram

Journal of Nematology, Volume 53 , 1–16

research-article | 30-November-2019

A draft genome of Steinernema diaprepesi

 al., 2013). Entomopathogenic nematodes endemic to citrus growing regions in Florida include Steinernema diaprepesi and S. khuongi and their role in determining the distribution of root weevil is also evident (Nguyen and Duncan, 2002; Duncan et al., 2003; Stuart et al., 2008; Campos-Herrera et al., 2013; Stock et al., 2018). The endemic entomopathogenic nematode S. diaprepesi is commercially applied to control citrus root weevil. As an obligate parasite, S. diaprepesi relies on the toxin produced

Anil Baniya, Jose C. Huguet-Tapia, Peter DiGennaro

Journal of Nematology, Volume 52 , 1–4

Article | 21-July-2017

First Report of Heterorhabditis amazonensis from Venezuela and Characterization of Three Populations


Journal of Nematology, Volume 48 , ISSUE 3, 139–147

research-article | 30-November-2018

Conspecific pheromone extracts enhance entomopathogenic infectivity

David I. Shapiro-Ilan, Fatma Kaplan, Camila Oliveira-Hofman, Paul Schliekelman, Hans T. Alborn, Edwin E. Lewis

Journal of Nematology, Volume 51 , 1–5

research-article | 17-March-2020

A draft genome of a field-collected Steinernema feltiae strain NW

domestication processes and natural selection, paving the way for better biodiversity conservation, trait selection, and targeted breeding (Fuentes-Pardo and Ruzzante, 2017; Wang et al., 2018; Wu et al., 2018). The entomopathogenic nematode Steinernema feltiae is widely applied to control insect pests, such as scarab larvae, fungus gnats, and lepidopteran larvae (Toba et al., 1983; Jess and Bingham, 2004; Lacey et al., 2006; Lacey and Georgis, 2012). As an obligate parasite, S. feltiae relies on the toxin

Zhen Fu, Yuxiang Li, Axel A. Elling, William E. Snyder

Journal of Nematology, Volume 52 , 1–7

research-article | 30-November-2019

Potential of entomopathogenic nematodes against the pupal stage of the apple maggot Rhagoletis pomonella (Walsh) (Diptera: Tephritidae)

Muhammad Usman, Sehrish Gulzar, Waqas Wakil, Jaime C. Piñero, Tracy C. Leskey, Laura J. Nixon, Camila Oliveira-Hofman, Shaohui Wu, David Shapiro-Ilan

Journal of Nematology, Volume 52 , 1–9

Research Article | 03-December-2018

Enhanced entomopathogenic nematode yield and fitness via addition of pulverized insect powder to solid media

Shiyu Zhen, Yang Li, Yanli Hou, Xinghui Gu, Limeng Zhang, Weibin Ruan, David Shapiro-Ilan

Journal of Nematology, Volume 50 , ISSUE 4, 495–506

research-article | 30-November-2020

Steinernema sandneri n. sp. (Rhabditida: Steinernematidae), a new entomopathogenic nematode from Poland

Magdalena Lis, Ewa Sajnaga, Marcin Skowronek, Adrian Wiater, Kamila Rachwał, Waldemar Kazimierczak

Journal of Nematology, Volume 53 , 1–24

Article | 21-July-2017

Are Entomopathogenic Nematodes Effective Biological Control Agents Against the Carob Moth, Ectomyelois ceratoniae?


Journal of Nematology, Volume 48 , ISSUE 4, 261–267

research-article | 30-November-2018

In vivo production of entomopathogenic nematodes using Galleria mellonella: costs and effect of diets on nematode pathogenicity

Régina Kotchofa, Hugues Baimey

journal of nematology, Volume 51 , 1–15

research-article | 30-November-2019

An innovative strategy for control of fungus gnats using entomopathogenic nematodes alone or in combination with waterlogging

against the B. odoriphaga Overall, EPN caused higher mortality of B. odoriphaga relative to the control without EPN addition regardless of EPN species (df = 6,420, F = 33.5, P < 0.001, Fig. 2). The mortality of B. odoriphaga increased with exposure time of EPN. In particularly, high mortalities were caused by H. bacteriophora, H. indica, and S. feltiae at 72 hr and H. bacteriophora and S. feltiae at 96 hr (Fig. 2). Figure 2: The effects of six entomopathogenic nematode strains and four waterlogging

Chaoying Chen, Haikun Ma, Mingyang Ma, Jingjing Li, Shuyuan Zheng, Qifeng Song, Xinghui Gu, David Shapiro-Ilan, Weibin Ruan

Journal of Nematology, Volume 52 , 1–9

research-article | 30-November-2019

Infection parameters of Heterorhabditis amazonensis (Nematoda: Heterorhabditidae) in different stages of Hibiscus pink mealybug

Yvan Fuenmayor, Edgar Portillo, Brynelly Bastidas, Mayamarú Guerra, Ernesto San-Blas

Journal of Nematology, Volume 52 , 1–7

Article | 21-July-2017

First Report and Comparative Study of Steinernema surkhetense (Rhabditida: Steinernematidae) and its Symbiont Bacteria from Subcontinental India


Journal of Nematology, Volume 49 , ISSUE 1, 92–102

research-article | 23-July-2019

Efficacy of Heterorhabdits indica LPP35 against Aedes aegypti in domiciliary oviposition sites

Bruna Silva, Alexandre M. Almeida, Claudia Dolinski, Ricardo M. Souza

journal of nematology, Volume 51 , 1–7

research-article | 30-November-2019

Oscheius myriophila (Nematoda: Rhabditida) isolated in sugar cane soils in Mexico with potential to be used as entomopathogenic nematode

Iveth del Rocio Castro-Ortega, Juan Manuel Caspeta-Mandujano, Ramón Suárez-Rodríguez, Guadalupe Peña-Chora, José Augusto Ramírez-Trujillo, Karina Cruz-Pérez, Iván Arenas Sosa, Víctor Manuel Hernández–Velázquez

Journal of Nematology, Volume 52 , 1–8

research-article | 30-November-2019

Mortality of Phyllophaga vetula larvae by the separate and combined application of Metarhizium anisopliae, Steinernema carpocapsae and Steinernema glaseri

of EPN with increasing doses of Ma, but without a significant influence of Ma on larvae mortality. Figure 2: Mortality of Phyllophaga vetula due to Metarhizium anisopliae (M1cog) at two spore dosages, and two entomopathogenic nematode species. SE, standard error. By analyzing the tested factors separately, it was found that the species of EPN applied was the most important component in the mortality percentage of P. vetula, with Sg being the nematode of best performance (N = 24, q = 3.438, p

Jaime Ruiz-Vega, Carlos I. Cortés-Martínez, Teodulfo Aquino-Bolaños, Pastor T. Matadamas-Ortíz, Cipriano García-Gutiérrez, José Navarro-Antonio

Journal of Nematology, Volume 52 , 1–8

Research Article | 17-October-2018

Responses of Anastrepha suspensa, Diachasmimorpha longicaudata, and Sensitivity of Guava Production to Heterorhabditis bacteriophora in Fruit Fly Integrated Pest Management

Caribbean fruit fly, also known as Caribfly or Anastrepha suspensa, is a major tephritid pest of guavas. A virulent entomopathogenic nematode (EPN) species was investigated to suppress the fruit-to-soil stages of Caribflies, which are also attacked by the koinobiont parasitoid Diachasmimorpha longicaudata in south Florida. The main objective was to develop a feasible and cost-effective EPN-application method for integrated pest management (IPM) of Caribfly to improve guava production. Naturally

William K. Heve, Fahiem E. El-Borai, Evan G. Johnson, Daniel Carrillo, William T. Crow, Larry W. Duncan

Journal of Nematology, Volume 50 , ISSUE 3, 261–272

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