Interactions between Diglyphus isaea and Neochrysocharis formosa (Hymenoptera: Eulophidae), two parasitoids of agromyzid leafminers

Xuan, Jing‐Li; Liu, Wan‐Xue; Zhang, Yibo; Cheng, Xiao-Qin; Guo, Jiao; FangHao, Wan

doi:10.1016/j.biocontrol.2018.07.005

Cited by 9 publications

(5 citation statements)

References 58 publications

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“…Host feeding, as a non‐productive host‐killing behavior, potentially plays an essential role in suppressing pest outbreaks, 7,34 as this behavior could provide extra nutrition to prolong the longevity and fecundity of parastioids 61–63 . Previous research supports this for arrhenotokous N. formosa , 34,36,37 as well as other leafminer host‐feeding parasitoids such as Diglyphus isaea , 36,37 Hemiptarsenus varicornis , 45 and Diglyphus wani 47 . In our study, host‐feeding behavior was both the main host‐killing behavior that contributed to the total mortality of hosts (Table 3), and also increased longevity and fecundity in both strains of N. formosa .…”

Section: Discussionsupporting

confidence: 67%

“…25,[32][33][34] Compared with parasitoids that kill hosts primarily with reproductive behavior (parasitism) alone, parasitoids with additional non-reproductive behavior (host feeding and stinging) may have higher biocontrol potential. 33,[35][36][37][38] Previous studies have assayed the three host-killing behaviors, tradeoff strategies, and life-history traits in arrhenotokous strains. [32][33][34][35][36][37][38][39][40] However, these traits in thelytokous strains remain poorly understood.…”

Section: Introductionmentioning

confidence: 99%

“…33,[35][36][37][38] Previous studies have assayed the three host-killing behaviors, tradeoff strategies, and life-history traits in arrhenotokous strains. [32][33][34][35][36][37][38][39][40] However, these traits in thelytokous strains remain poorly understood. Therefore, this study aims to systematically and accurately compare the biocontrol performance of thelytokous and arrhenotokous strains within a host-feeding parasitoid.…”

Section: Introductionmentioning

confidence: 99%

“…Additionally, N. formosa exhibits three types of host‐killing behaviors, namely parasitism, host feeding, and host stinging 25,32–34 . Compared with parasitoids that kill hosts primarily with reproductive behavior (parasitism) alone, parasitoids with additional non‐reproductive behavior (host feeding and stinging) may have higher biocontrol potential 33,35–38 . Previous studies have assayed the three host‐killing behaviors, trade‐off strategies, and life‐history traits in arrhenotokous strains 32–40 .…”

Section: Introductionmentioning

confidence: 99%

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The thelytokous strain of the parasitoid Neochrysocharis formosa outperforms the arrhenotokous strain in reproductive capacity and biological control of agromyzid leafminers

Yang

Zhang

et al. 2022

Pest Management Science

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BACKGROUND Both arrhenotoky (sexual reproduction of females and asexual reproduction of males) and thelytoky (asexual reproduction of females) occur within the order Hymenoptera. The existence of both thelytokous and arrhenotokous strains within one species provides an opportunity to compare the biocontrol efficiency between two reproductive modes. The parasitoid Neochrysocharis formosa (Westwood) (Hymenoptera: Eulophidae) has thelytokous and arrhenotokous strains with sympatric distributions. This parasitoid is used to control invasive leafminers through feeding, stinging, and parasitization. To compare the biocontrol efficiency of the two strains, we analyzed life tables and host‐killing parameters of these two strains reared on the leafminer Liriomyza sativae Blanchard using the age‐stage, two‐sex life table and the CONSUME‐MSChart software. RESULTS Our results showed that the intrinsic rate of increase (r), finite rate of increase (λ), and net reproduction rate (R0) of the thelytokous strain were significantly higher than those of the arrhenotokous strain. The thelytokous females also performed better than the arrhenotokous females for the net host‐feeding rate, net host‐stinging rate, and net host‐killing rate, but not the finite parasitism rate. Conclusively, the finite host‐killing rate of the thelytokous strain (0.8720 ± 0.0516) was significantly higher than that of the arrhenotokous strain (0.5914 ± 0.0832). CONCLUSION We concluded that thelytokous N. formosa is a better candidate as a biocontrol agent than arrhenotokous N. formosa to control leafminers. Our results shed light on how to choose a better biocontrol agent for integrated pest management (IPM) based on biological control, especially for co‐occurring thelytokous and arrhenotokous parasitoids. © 2022 Society of Chemical Industry.

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Section: Discussionsupporting

confidence: 67%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

The thelytokous strain of the parasitoid Neochrysocharis formosa outperforms the arrhenotokous strain in reproductive capacity and biological control of agromyzid leafminers

Yang

Zhang

et al. 2022

Pest Management Science

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“…reproductive parasitization (parasitism), non-reproductive host-killing by feeding (host-feeding), and host stinging without oviposition or feeding (host-stinging). These non-reproductive host-killing behaviours (host-feeding and host-stinging) significantly increase their biocontrol potential (Kaspi et al ., 2011; Zhang et al ., 2011; Liu et al ., 2015; Xuan et al ., 2018). For such species it is important to quantify the host-killing by each mode to evaluate the actual biocontrol potential of the species (Bernardo et al ., 2006; Liu et al ., 2015; Cheng et al ., 2017).…”

Section: Introductionmentioning

confidence: 99%

Demographics and host-kill parameters of Diglyphus horticola Khan against Chromatomyia horticola (Goureau)

Katoch

Verma

Chandel

et al. 2022

Bull. Entomol. Res.

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The pea leafminer, Chromatomyia horticola (Goureau) (Diptera: Agromyzidae) is a polyphagous and serious pest of peas. In India, this pest is attacked by many parasitoids and among them Diglyphus horticola Khan (Hymenoptera: Eulophidae) is an important one, however, demographics and pest-kill potential of this parasitoid has not been studied so far. This study presents the first report on its demographics and pest-kill potential on C. horticola. The parasitoid showed three modes of host-killing behaviour viz. host-feeding, parasitism and host-stinging. The parasitoid females killed more number of hosts by parasitism than host-feeding or host-stinging. The pre-adult survival, net reproductive rate, intrinsic rate of increase (rm) and finite rate of increase (λ) were higher on the 5-days old host larvae than those reared on the 3-days old larvae. Demographics and pest-kill parameters of D. horticola were also better on 5-days old host larvae than on 3-days old host larvae. Based on the study, D. horticola appeared to be a promising biocontrol agent for the suppression of C. horticola in peas and could be promoted through conservation biological control. Further studies are required to standardize the mass production protocol and release rates to use the parasitoid by augmentation.

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Impacts of the cyromazine emergence inhibition procedure of Bactrocera dorsalis on Fopius arisanus: implications for the biological control of diptera pest

Lin,

Yue,

Chen

et al. 2024

Pest Management Science

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BackgroundFopius arisanus (Sonan) is an important egg–pupal endoparasitic wasp of Bactrocera dorsalis (Hendel). As traditional method of sorting nonparasitic B. dorsalis from parasitic wasps is labor‐intensive, requires specific equipment and poses the risk of spreading fertile hosts, the development of a more convenient, economical and safe sorting procedure is important.ResultsThe optimal cyromazine emergence inhibition procedure (CEIP) involved facilitating the pupation of B. dorsalis mature larvae (Bdml) in 3 mg kg−1 cyromazine sand substrate (CSS) for 48 h. When the Bdml that had been exposed to F. arisanus during the egg stage were treated with 3–7 mg kg−1 CSS for 48 h, no negative effects on the emergence parameters of parasitoids were observed. Treatment with 3–4 mg kg−1 CSS had insignificant effects on the biological and behavioral parameters of F. arisanus. However, treatment with 5–6 mg kg−1 CSS adversely affected the fecundity and antennating activity of the wasps; specifically, 6 mg kg−1 CSS negatively affected the lifespan and flight ability of wasps. Fortunately, no transgenerational effects on these parameters were observed in the progeny. Regarding the nutrient reserves of both sexes of F. arisanus, significant dose‐dependent effects were observed. Moreover, 5–6 mg kg−1 CSS significantly reduced the protein and carbohydrate content in F. arisanus; in particular, 6 mg kg−1 CSS notably reduced the lipid content.ConclusionCEIP provides a more flexible, economical and safe mass‐release program for F. arisanus. In addition, it has profound implications for the biological control of other dipteran pests. © 2024 Society of Chemical Industry.

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Interactions between Diglyphus isaea and Neochrysocharis formosa (Hymenoptera: Eulophidae), two parasitoids of agromyzid leafminers

Cited by 9 publications

References 58 publications

The thelytokous strain of the parasitoid Neochrysocharis formosa outperforms the arrhenotokous strain in reproductive capacity and biological control of agromyzid leafminers

The thelytokous strain of the parasitoid Neochrysocharis formosa outperforms the arrhenotokous strain in reproductive capacity and biological control of agromyzid leafminers

Demographics and host-kill parameters of Diglyphus horticola Khan against Chromatomyia horticola (Goureau)

Impacts of the cyromazine emergence inhibition procedure of Bactrocera dorsalis on Fopius arisanus: implications for the biological control of diptera pest

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