Host location and dispersal ability of the cosmopolitan parasitoid Trichopria drosophilae released to control the invasive spotted wing Drosophila

Stacconi, Marco Valerio Rossi; Amiresmaeili, N.; Biondi, Antonio; Carli, Cristiano; Caruso, S.; Dindo, Mária Luisa; Francati, Santolo; Gottardello, A.; Grassi, A.; Lupi, D.; Marchetti, Elisa; Mazzetto, F.; Mori, Nicola; Pantezzi, T.; Tavella, Luciana; Garzia, G. Tropea; Tonina, Lorenzo; Vaccari, G.; Anfora, G.; Ioriatti, C.

doi:10.1016/j.biocontrol.2017.11.013

Cited by 61 publications

(36 citation statements)

References 59 publications

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“…Biological control strategies, especially those involving parasitoids, remain unutilized in the framework of D. suzukii management [21]. Thus far, two different methods have been considered.…”

Section: Discussionmentioning

confidence: 99%

“…Numerous studies have proved that this common parasitoid can parasitize and develop in countries native to D. suzukii, including South Korea [16,32] and China [33], as well as in areas invaded by the pest, such as Europe (Spain [44], Italy [29], France [26]) and North America (Mexico [23], USA [16,17]). Several authors have indicated that T. drosophilae could be utilized as an effective biological agent with a great potential for substantially depressing the D. suzukii population in the field, particularly in habitats that are surrounded with host crops [16,21,29]. Based on previous studies, T. drosophilae females are more efficient at foraging hosts and possess a greater parasitic ability compared to another cosmopolitan pupal parasitoid, P. vindemiae [17].…”

Section: Discussionmentioning

confidence: 99%

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Life History and Host Preference of Trichopria drosophilae from Southern China, One of the Effective Pupal Parasitoids on the Drosophila Species

Cai

Lin

et al. 2020

Insects

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This study aims to evaluate several life-history traits of a T. drosophilae population from southern China and its parasitic preference of three Drosophila species. For mated T. drosophilae females, the mean oviposition and parasitization period were 27.20 and 37.80 d, respectively. The daily mean parasitization rate was 59.24% per female and the lifetime number of emerged progeny was 134.30 per female. Trichopria drosophilae females survived 37.90 and 71.61 d under host-provided and host-deprived conditions, respectively. To assess the potential for unmated reproduction in T. drosophilae, the mean oviposition and parasitization period of unmated females was 22.90 and 47.70 d, respectively. They had a daily mean parasitization rate of 64.68%, produced a total of 114.80 offspring over their lifetime, and survived 52 d. Moreover, T. drosophilae showed a preference towards D. suzukii based on the total number of emerged offspring under a choice test. Our findings indicate that T. drosophilae from southern China appears to be suitable for the control of D. suzukii in invaded areas, due to its reproductive potential.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Life History and Host Preference of Trichopria drosophilae from Southern China, One of the Effective Pupal Parasitoids on the Drosophila Species

Cai

Lin

et al. 2020

Insects

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“…On the other hand, T. remus dispersal rates reported in our study were lower than those of Trichopria drosophilae Perkins (Hymenoptera: Diapriidae) released to control the invasive spotted wing Drosophila. In open field trials, T. drosophilae attacked Drosophila suzuki Matsumura (Diptera: Drosophilidae) in traps up to 40 m away from the release point (Rossi Stacconi et al, 2018). These findings suggest an intermediate dispersal rate for T. remus, which -according to the 'Goldilocks hypothesis' -is likely to maximize probability of establishment and appropriate dispersal range for a biological control agent released in the context of either importation or ABC (Heimpel and Asplen, 2011) and thus verifies the strong potential of T. remus as a successful biological control agent of Spodoptera spp.…”

Section: Discussionmentioning

confidence: 99%

Dispersal capacity of the egg parasitoid Telenomus remus Nixon (Hymenoptera: Platygastridae) in maize and soybean crops

et al. 2018

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This study examined the dispersal capacity of the parasitoid Telenomus remus Nixon (Hymenoptera: Platygastridae) in soybean and maize crops. Knowledge on mobility and dispersal capacity of parasitoids is crucial for the implementation of successful biological control strategies using this biological control agent. Experiments were conducted at the experimental farm of Embrapa Soja located in Londrina, PR (−51°11′0.54″ Long.; −23°11′58.94″ Lat.) in the crop seasons of 2012, 2012/13 and 2013 at different plant phenological stages. Experimental plots consisted of six concentric circles with radii of 5, 10, 15, 20, 25, and 30 m, with 8, 24, 40, 56, 72 and 88 parasitoid traps per circle, respectively. Host eggs were placed on each plant as parasitoid traps. Approximately 150,000 newly emerged (up to 24 h old) adults of T. remus reared on eggs of Corcyra cephalonica Stainton (Lepidoptera: Pyralidae) or Spodoptera frugiperda (JE Smith) (Lepidoptera: Noctuidae) were released at the central point of each circle. Parasitism by T. remus decreased with increasing distance to the release points regardless of host, phenological stage, crop or season. Our findings allow the conclusion that T. remus should be released at a minimum density of 35 points/hectare in soybean crops and 34 points/hectare in maize crops to ensure T. remus dispersal over 100% of the area in the worst case scenario. Since wind direction influences the dispersal pattern of T. remus, the release methodology should be determined according to wind conditions, possibly with preference for a perimetric distribution of the released insects.

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“…Studies with larvae of D. suzukii showed a strong immune response of encapsulation to parasitoid eggs of Leptopilina heterotoma Thompson (Hymenoptera: Figitidae) that discourages their use for controlling the pest [32,33]. Instead, pupal parasitoids, entomopathogenic fungi, and EPNs achieved better results controlling the fly under laboratory conditions [34][35][36][37]. Susceptibility of D. suzukii larvae was evaluated against different EPN species, as S. carpocapsae, Steinernema feltiae (Filipjev) (Rhabditida: Steinernematidae), and Heterorhabditis bacteriophora (Poinar) (Rhabditida: Heterorhabditidae) [36].…”

mentioning

confidence: 99%

Immune Response of Drosophila suzukii Larvae to Infection with the Nematobacterial Complex Steinernema carpocapsae–Xenorhabdus nematophila

Garriga

Mastore

Morton

et al. 2020

Insects

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Entomopathogenic nematodes have been proposed as biological agents for the control of Drosophila suzukii, an invasive pest of small-stone and soft-skinned fruits. Larvae of the fly are susceptible to Steinernema carpocapsae infection but the reaction of immune defenses of the host are unknown. To determine the immune response, larvae were infected with S. carpocapsae and Xenorhabdus nematophila to evaluate the effector mechanisms of both humoral and cellular processes. The symbiont bacteria presented an inhibitory effect on the phenoloxidase cascade with a low level of melanization. Besides, X. nematophila activated the synthesis of putative antimicrobial peptides on the hemolymph of infected larvae. However, those peptides presented a lower antimicrobial activity compared to hemolymph from larvae infected with non-symbiont bacteria. Xenorhabdus nematophila avoided also the phagocytosis response of hemocytes. During in vitro and in vivo assays, S. carpocapsae was not encapsulated by cells, unless the cuticle was damaged with a lipase-treatment. Hemocyte counts confirmed differentiation of lamellocytes in the early phase of infection despite the unrecognition of the nematodes. Both X. nematophila and S. carpocapsae avoided the cellular defenses of D. suzukii larvae and depressed the humoral response. These results confirmed the potential of entomopathogenic nematodes to control D. suzukii.

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Host location and dispersal ability of the cosmopolitan parasitoid Trichopria drosophilae released to control the invasive spotted wing Drosophila

Cited by 61 publications

References 59 publications

Life History and Host Preference of Trichopria drosophilae from Southern China, One of the Effective Pupal Parasitoids on the Drosophila Species

Life History and Host Preference of Trichopria drosophilae from Southern China, One of the Effective Pupal Parasitoids on the Drosophila Species

Dispersal capacity of the egg parasitoid Telenomus remus Nixon (Hymenoptera: Platygastridae) in maize and soybean crops

Immune Response of Drosophila suzukii Larvae to Infection with the Nematobacterial Complex Steinernema carpocapsae–Xenorhabdus nematophila

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