Effects of pyriproxyfen on wild populations of the housefly, <scp><i>Musca domestica</i></scp>, and compatibility with its principal parasitoids

Biale, Haim; Geden, Christopher J.; Chiel, Elad

doi:10.1002/ps.4638

Cited by 18 publications

(15 citation statements)

References 38 publications

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“…The difference between the results of the two exposure methods is likely due to a longer exposure time of 5-10 min in the treated tube apparatus compared with 3 min in the Petri dish, which resulted in a higher amount of PPF acquired in the tubes. These results corroborate previous research (Geden and Devine 2012;Biale et al 2017) about the effectiveness of PPF for controlling house flies, at least under laboratory conditions. Our results suggest that treated flies retain enough dust to treat oviposition sites on the day of Table 4 Effect of varying the proportion of PPF-treated (by forced contact) female house flies on pupal mortality, after flies were placed on wheat bran rearing medium or different animal manures for 24 h after exposure.…”

Section: Discussionsupporting

confidence: 92%

“…In No. of treated females a previous study, we found that this range of concentrations resulted in 100% pupal mortality when applied directly to the substrate (Biale et al 2017). Curiously, tests with Israeli manure and flies indicated relatively poor performance on cow manure, and results with USA manure and flies showed lower efficacy on horse manure.…”

Section: Substratementioning

confidence: 51%

“…Based on those observations, we hypothesized that the autodissemination method with PPF can be efficient for controlling the house fly; however, we predicted that the observations in the laboratory would be much better than those in the field due to technic, biotic and abiotic factors. Moreover, based on our study with different media (Biale et al 2017), we predicted the autodissemination method to be more/less efficient with different types of manures.…”

Section: Introductionmentioning

confidence: 96%

“…Recently, we showed that PPF is effective against wild populations of house flies in Israel and the USA when tested on wheat bran-based fly rearing medium in the laboratory, and less effective on cow manure (Biale et al 2017). Additionally, we found that PPF is compatible with principal house fly parasitoids and is therefore suitable for use in IPM (Biale et al 2017). Application of PPF by spreading granules or spraying a liquid solution can be costly, labor-intensive, has unintended harmful effects on non-target organisms, and may miss fly breeding spots.…”

Section: Introductionmentioning

confidence: 99%

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Autodissemination of pyriproxyfen as a method for controlling the house fly Musca domestica

2019

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House fly (Musca domestica) control is a major challenge in animal agriculture. Here, we tested the feasibility of applying pyriproxyfen (PPF), an insect-growth regulator that controls house flies effectively, using autodissemination methods, in which the flies themselves deliver PPF to their oviposition sites. First, we tried baiting gravid female flies to walk-through stations, where flies would self-treat with PPF and distribute it. This concept worked well in laboratory and indoor cage experiments, but not in the field, as flies appeared reluctant to alight on and collect PPF. Therefore, we tested a different concept of actively coating flies with PPF and then releasing them in different proportions. This concept was tested in laboratory experiments with various manure types in the USA and in Israel. Twenty percent of PPF-coated flies (corresponding to ≥ 2.3 mg/kg PPF) were sufficient to get high control levels (~ 90%) in most of the tested manure types in the US study. Very similar results were obtained in the experiments in Israel but only with poultry manure, whereas low control levels were obtained when cow manure was used. We conclude that autodissemination of PPF using the collect-treat-release "active coating" concept may be practical, depending on manure type, and should be further tested in the field. Keywords Insect-growth regulator • Integrated pest management • Animal manure Key messages • We examined the feasibility of applying pyriproxyfen using autodissemination methods for controlling the house fly. • High control levels were achieved in most of the manure types tested in the USA, whereas in the experiments in Israel high control levels were obtained only in poultry manure. • Treating 10-20% of females (resulting in 2.3-4.8 mg/kg PPF in target substrates) was sufficient to achieve control in most of the manure types tested in the USA and poultry manure in Israel. • Luring house flies to pyriproxyfen-collecting stations in the field was not effective enough with the devices tested. • Autodissemination may be practical, depending on manure type and proportion of treated flies. Communicated by C. Cutler.

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Section: Discussionsupporting

confidence: 92%

Section: Substratementioning

confidence: 51%

Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

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Autodissemination of pyriproxyfen as a method for controlling the house fly Musca domestica

2019

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“…It disrupts the hormonal system of the insects interfering with their development and transformation into adults [4]. Pyriproxyfen is used for controlling household pests such as the German cockroach (Blattella germanica) [5] and the common housefly (Musca domestica) [6] as well as for prophylactic flea control on cats and dogs [7,8]. Pyriproxyfen is particularly efficacious as larvicide against all the mosquito species [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Fate of Pyriproxyfen in Soils and Plants

Devillers¹

2020

Toxics

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Since the 1990s, the insect growth regulator pyriproxyfen has been widely used worldwide as a larvicide in vector control and in agriculture to fight a very large number of pests. Due to its widespread use it is of first importance to know how pyriproxyfen behaves in the terrestrial ecosystems. This was the goal of this work to establish the fate profile of pyriproxyfen in soils and plants. Thus, in soil, pyriproxyfen photodegrades slowly but its aerobic degradation is fast. The insecticide presents a high tendency to adsorb onto soils and it is not subject to leaching into groundwater. On the contrary its two main metabolites (4′-OH-Pyr and PYPAC) show a different fate in soil. When sprayed to plants, pyriproxyfen behaves as a translaminar insecticide. Its half-life in plants ranges from less than one week to about three weeks. The review ends by showing how the fate profile of pyriproxyfen in soils and plants influences the adverse effects of the molecule on non-target organisms.

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Residue degradation, transfer and risk assessment of pyriproxyfen and its metabolites from tea garden to cup by ultra performance liquid chromatography tandem mass spectrometry

et al. 2022

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BACKGROUND Tea is one of the most popular drinks in the world. The growth of tea plant is inseparable from the control of pesticides on diseases and pests. Pyriproxyfen is used as a pesticide substitute to control insect pests in tea gardens, but little is known about its residue degradation. Here, we performed an integrative study of the degradation and metabolism of pyriproxyfen from the tea garden to the cup. RESULTS The dissipation half‐life of pyriproxyfen during tea growth was 2.74 days, and five metabolites PYPAC, PYPA, DPH‐Pyr, 5′′‐OH‐Pyr, and 4′‐OH‐Pyr were generated. The total processing factors for pyriproxyfen in green tea and black tea were 2.41–2.83 and 2.77–3.70, respectively. The residues of pyriproxyfen and its metabolites were affected by different processing steps. The total leaching rates of pyriproxyfen from green tea and black tea into their infusions were 9.8–12.3% and 5.3–13.8%, respectively. The leaching rates of the five metabolites were higher than that of pyriproxyfen and increased the intake risk. CONCLUSION To ensure safe consumption, the recommended maximum residue limit value of pyriproxyfen in tea can be set to 5 mg kg−1 and the pre‐harvest interval can be set to 5 days. © 2022 Society of Chemical Industry.

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Effects of pyriproxyfen on wild populations of the housefly, Musca domestica, and compatibility with its principal parasitoids

Cited by 18 publications

References 38 publications

Autodissemination of pyriproxyfen as a method for controlling the house fly Musca domestica

Autodissemination of pyriproxyfen as a method for controlling the house fly Musca domestica

Fate of Pyriproxyfen in Soils and Plants

Residue degradation, transfer and risk assessment of pyriproxyfen and its metabolites from tea garden to cup by ultra performance liquid chromatography tandem mass spectrometry

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