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research-article | 29-March-2019

Survival of entomopathogenic nematodes in oil emulsions and control effectiveness on adult engorged ticks (Acari: Ixodida)

their interaction with the insect-pest. Hence, in an effort to increase the survival time and infectivity of EPNs on ticks, this study aimed to evaluate: (i) the effect of five vegetable oil emulsions on the survival and infectivity of S. carpocapsae, S. websteri and H. bacteriophora on ticks in laboratory and (ii) the control effectiveness (CE) of application of EPNs in oil emulsion on ticks present in infested dogs (Canis lupus familiaris) in field conditions. Materials and methods Description

Teodulfo Aquino-Bolaños, Jaime Ruiz-Vega, Yolanda D. Ortiz Hernández, Julio C. Jiménez Castañeda

Journal of Nematology, Volume 51 , 1–10

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

Article | 21-July-2017

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

. carpocapsae, and Heterorhabditis bacteriophora were selected and used in a series of in vitro and in vivo experiments. In preliminary assays, the EPNs species were used with different concentrations of infective juveniles (IJs) (0, 1, 5, 10, 25, and 50 IJ/larvae) in 2-cm diam. plates. The mortality rates of the laboratory tests were 79.75% and 76.5% for S.feltiae and S. carpocapsae, corresponded to LC50 value of 2.02 IJ/larva for S. feltiae and 2.05 IJ/larva for S. carpocapsae. On the contrary


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

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 | 30-November-2020

Entomopathogenic nematode management of small hive beetles (Aethina tumida) in three native Alabama soils under low moisture conditions

selected based on previous literature and current market availability. For this study, commercially purchased Steinernema feltiae, Steinernema kraussei, and Heterorhabditis bacteriophora, Steinernema riobrave, Steinernema carpocapsae, and Heterorhabditis indica third stage infective juveniles (IJ3) were tested (Arbico organics, Oro Valley, AZ). We also tested S. riobrave, S. S. carpocapsae, and H. indica IJ3 reared by the Dr. Shapiro-Ilan, USDA, in Byron, Georgia. EPNs were kept in a standard

WinDi Sanchez, David Shapiro, Geoff Williams, Kathy Lawrence

Journal of Nematology, Volume 53 , 1–14

research-article | 30-November-2020

Laboratory virulence of entomopathogenic nematodes to the sweetpotato whitefly, Bemisia tabaci

(HOM1 strain); H. georgiana Nguyen, Shapiro-Ilan, and Mbata (Kesha strain); H. floridensis Nguyen, Gozel, Koppenhöfer, and Adams (K22 strain); S. feltiae (SN strain); S. carpocapsae Weiser (All strain); S. riobrave Cabanillas, Poinar, and Raulston (355 strain); S. glaseri Steiner (VS strain); and S. rarum (17C&E strain). All the nematodes were obtained from the USDA-ARS Southeastern Fruit and Tree Nut Research Laboratory culture collection in Byron, GA. Experiment design and procedures In the

Yinping Li, George N. Mbata, David I. Shapiro-Ilan

Journal of Nematology, Volume 53 , 1–8

research-article | 30-November-2019

Isolation, identification, and pathogenicity of Steinernema carpocapsae and its bacterial symbiont in Cauca-Colombia

). Susceptibility of Epitrix cucumeris and Pandeleteius cinereus adults to EPNs The susceptibility of E. cucumeris and P. cinereus adults (Hass avocado [P. americana] pests) to the EPNs isolated, and S. carpocapsae FA2015 as reference (commercially obtained), was evaluated and compared in vitro. Adults of both insect species were collected from a P. americana crop. In vitro bioassays were performed in multicell culture plates containing sterile Whatman No. 1 filter paper (GE Healthcare, United States). In total

Esteban Neira-Monsalve, Natalia Carolina Wilches-Ramírez, Wilson Terán, María del Pilar Márquez, Ana Teresa Mosquera-Espinosa, Adriana Sáenz-Aponte

Journal of Nematology, Volume 52 , 1–16

research-article | 30-November-2020

Intraspecific virulence of entomopathogenic nematodes against the pests Frankliniella occidentalis (Thysanoptera: Thripidae) and Tuta absoluta (Lepidoptera: Gelechiidae)

16 hr of light -L- and 8 hr of darkness -D-) in isolated mesh-cages to avoid escapes. A total of 10 EPN populations from three species (S. feltiae, S. carpocapsae, and H. bacteriophora) were investigated, comprising seven native and three commercial ones (Table 1). All nematodes were reproduced in the insect host Galleria mellonella (Lepidoptera: Pyralidae) (Woodring and Kaya, 1988). The infective juveniles (IJs) were collected in containers with mineral water and stored at 14°C. In any case, the

Raquel Campos-Herrera, Ignacio Vicente-Díez, Magda Galeano, Maryam Chelkha, María del Mar González-Trujillo, Miguel Puelles, David Labarga, Alicia Pou, Javier Calvo, José Eduardo Belda

Journal of Nematology, Volume 53 , 1–14

research-article | 30-November-2020

The impact of chemical nematicides on entomopathogenic nematode survival and infectivity

EPN species like H. bacteriophora and S. carpocapsae (Browning et al., 2004; Glazer et al., 1997; Hara and Kaya, 1982; Rovesti et al., 1988, Rovesti and Deseo, 1990). These studies mostly aimed to assess the compatibility of these compounds with EPNs based on the survival and infectivity of IJs. There, however, is a need to expand on the diversity of nematicides that are tested for impact on EPN, and their effects on the penetration efficacy and reproductive capacity; chemotaxis and longer-term

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

Journal of Nematology, Volume 53 , 1–17

research-article | 30-November-2019

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

cups and placing them in the incubator, we observed the cups daily for adult emergence until 30 days post treatment application. Adults that successfully emerged were considered to have survived the nematode treatment. All other experimental parameters were the same as described above except we used 10 pupae per replicate (based on the availability of insects). Pot bioassay Five nematode species, S. riobrave, S. carpocapsae, S. feltiae, H. indica, and H. bacteriophora were selected for the pot

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 | 30-November-2020

Quantification of pH tolerance levels among entomopathogenic nematodes

soils, as the ability of the nematodes to find hosts can be inhibited in such soils (Fischer and Führer, 1990), while others tend to thrive in moderate to neutral pH conditions (Hussaini et al., 2004). Clearly, pH can hinder the efficacy of these nematodes, thereby affecting the intended level of biocontrol. Although pH has been shown to affect the survival of Steinernema carpocapsae and Heterorhabditis indica (Hussaini et al., 2004) and S. carpocapsae and S. glaseri (Kung et al., 1990b) differently

Zanele Khathwayo, Tshimangadzo Ramakuwela, Justin Hatting, David I. Shapiro-Ilan, Nicolene Cochrane

Journal of Nematology, Volume 53 , 1–12

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