Impact of Nosema maddoxi on the survival, development, and female fecundity of Halyomorpha halys

Preston, Carrie E.; Agnello, Arthur M.; Vermeylen, Françoise; Hajek, Ann E.

doi:10.1016/j.jip.2019.107303

Cited by 13 publications

(8 citation statements)

References 21 publications

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“…These differences likely stem from the quality of H. halys eggs used in the two experiments. Infection by the microsporidian Nosema maddoxi can reduce H. halys egg viability (Preston et al 2020), and signs of infection have been evident in our laboratory colonies from which eggs were used in trial 1. In trial 2, most H. halys eggs originated from the Philip Alampi Beneficial Insect Laboratory where N. maddoxi has not been present (A. Lovero pers.…”

Section: Discussionmentioning

confidence: 84%

Heat waves affect an invasive herbivore and its parasitoid differentially with impacts beyond the first generation

Simaz

Szűcs

2021

Ecosphere

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Section: Discussionmentioning

confidence: 84%

Heat waves affect an invasive herbivore and its parasitoid differentially with impacts beyond the first generation

Simaz

Szűcs

2021

Ecosphere

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“…may be one approach to reduce H. halys populations across the landscape, although confirmation of usage of Lonicera and Elaeagnus spp by H. halys should be confirmed, and because H. halys is a border-driven pest (Joseph et al 2014, Bergh et al 2021), this could also reduce H. halys pest pressure along the edges of vulnerable crops. Certainly, biological control agents, such as the egg parasitoid, Trissolcus japonicus (Ashmead) (Talamas et al 2015) or the microsporidian, Nosema maddoxi (Hajek et al 2018, 2023, Preston et al 2020), also offer such an opportunity because they could presumably reduce H. halys populations in unmanaged areas such as woodlots that border crop fields as well as in cropped locations (Kaser et al 2018). However, unless biological control agents reduce H. halys populations to below economically damaging levels, orchard management programs should focus most heavily on reducing late-season populations, as they likely pose the greatest threat to cultivated crops such as apple.…”

Section: Discussionmentioning

confidence: 99%

Halyomorpha halys (Hemiptera: Pentatomidae) trap captures at orchard and nonorchard sites and the influence of uncultivated woody host plants in adjoining woodlots

Hadden,

Brewster,

Leskey

et al. 2023

Journal of Economic Entomology

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The invasive Halyomorpha halys (Hemiptera: Pentatomidae) has threatened Mid-Atlantic tree fruit since 2010. To identify factors underlying observed differences in H. halys pest pressure among individual orchards within a geographically proximate area, a 3-yr study was conducted across 10 apple orchard and 8 nonorchard sites bordered by unmanaged woodlots. At each site, 3 pheromone traps were monitored weekly for H. halys captures from late April to mid-October. Apple injury was assessed at harvest at orchard sites annually, and a survey of woody plants found in woodlots adjacent to all sites was conducted. There were no significant differences in captures between orchard and nonorchard site types, but captures were significantly different among individual orchard sites and among individual nonorchard sites. A significant positive relationship between the amount of stink bug injury on apple at harvest and late season captures was detected at orchard sites in 2018 and 2019. Among woodlots adjacent to all sites, a significant positive relationship between the proportion of Lonicera spp. and mid- and late-season nymphal captures was identified. Season-long nymphal captures were positively related to the proportion of Lonicera and Elaeagnus and negatively with Sassafras. For adults, captures were negatively related to the proportion of Ailanthus and positively related to the proportion of Fraxinus in the early and mid-season, respectively. Our results indicate that orchard presence was not driving the relative abundance of localized H. halys populations and that differences in relative densities among sites point to other factors, such as abundance of specific uncultivated woody hosts in unmanaged areas.

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“…As such, this species meets all the basic requirements to serve as a model for molecular genetic analysis. Our lab previously tried to rear another pentatomid, the invasive brown marmorated stink bug Halyomorpha halys, and observed a collapse of our lab colony after three generations, possibly due to infection by a microsporidian [60,61]. We therefore subjected Murgantia to a 'trial period' of lab rearing before beginning experiments to ensure that we could sustain our lab Methods for examining gene expression in Murgantia were adapted from Oncopeltus protocols and can be performed readily with these modifications on a large number of samples.…”

Section: Discussionmentioning

confidence: 99%

Oncopeltus-like gene expression patterns in Murgantia histrionica, a new hemipteran model system, suggest ancient regulatory network divergence

Hernandez

Pick

Reding

2020

EvoDevo

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Background: Much has been learned about basic biology from studies of insect model systems. The pre-eminent insect model system, Drosophila melanogaster, is a holometabolous insect with a derived mode of segment formation. While additional insect models have been pioneered in recent years, most of these fall within holometabolous lineages. In contrast, hemimetabolous insects have garnered less attention, although they include agricultural pests, vectors of human disease, and present numerous evolutionary novelties in form and function. The milkweed bug, Oncopeltus fasciatus (order: Hemiptera)-close outgroup to holometabolous insects-is an emerging model system. However, comparative studies within this order are limited as many phytophagous hemipterans are difficult to stably maintain in the lab due to their reliance on fresh plants, deposition of eggs within plant material, and long development time from embryo to adult. Results: Here we present the harlequin bug, Murgantia histrionica, as a new hemipteran model species. Murgantiaa member of the stink bug family Pentatomidae which shares a common ancestor with Oncopeltus ~ 200 mya-is easy to rear in the lab, produces a large number of eggs, and is amenable to molecular genetic techniques. We use Murgantia to ask whether Pair-Rule Genes (PRGs) are deployed in ways similar to holometabolous insects or to Oncopeltus. Specifically, PRGs even-skipped, odd-skipped, paired and sloppy-paired are initially expressed in PR-stripes in Drosophila and a number of holometabolous insects but in segmental-stripes in Oncopeltus. We found that these genes are likewise expressed in segmental-stripes in Murgantia, while runt displays partial PR-character in both species. Also like Oncopeltus, E75A is expressed in a clear PR-pattern in blastoderm-and germband-stage Murgantia embryos, although it plays no role in segmentation in Drosophila. Thus, genes diagnostic of the split between holometabolous insects and Oncopeltus are expressed in an Oncopeltus-like fashion during Murgantia development. Conclusions: The similarity in gene expression between Murgantia and Oncopeltus suggests that Oncopeltus is not a sole outlier species in failing to utilize orthologs of Drosophila PRGs for PR-patterning. Rather, strategies deployed for PR-patterning, including the use of E75A in the PRG-network, are likely conserved within Hemiptera, and possibly more broadly among hemimetabolous insects.

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Impact of Nosema maddoxi on the survival, development, and female fecundity of Halyomorpha halys

Cited by 13 publications

References 21 publications

Heat waves affect an invasive herbivore and its parasitoid differentially with impacts beyond the first generation

Heat waves affect an invasive herbivore and its parasitoid differentially with impacts beyond the first generation

Halyomorpha halys (Hemiptera: Pentatomidae) trap captures at orchard and nonorchard sites and the influence of uncultivated woody host plants in adjoining woodlots

Oncopeltus-like gene expression patterns in Murgantia histrionica, a new hemipteran model system, suggest ancient regulatory network divergence

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