Effect of a New Phenoxy Juvenile Hormone Analog on California Red Scale (Homoptera: Diaspididae), Florida Wax Scale (Homoptera: Coccidae) and the Ectoparasite Aphytis holoxanthus DeBache (Hymenoptera: Aphelinidae)

Peleg, B. A.

doi:10.1093/jee/81.1.88

Cited by 54 publications

(38 citation statements)

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“…The compound acts on diverse pests as the house fly Musca domestica (L.) (Kawada, 1988: Koehler andPatterson, 1990), the codling moth, Cydia pomonella (L.), the oriental fruit moth, Grapholita molesta (Busch) (Yokoyama and Miller, 1991), and the citrus scales Aonidiella aurantii (Maskell) and Ceroplastes floridensis Comstock (Peleg, 1988). Pyriproxyfen is a potent suppressor of embryogenesis and adult formation of the sweet potato whitefly Bemisia tabaci (Gennadius) and the greenhouse whitefly Trialeurodes vaporariorum (Westwood) (Ishaaya and Horowitz, 1992;Ishaaya et al, 1994).…”

Section: Discussionmentioning

confidence: 99%

“…Fenoxycarb, ethyl [2-(4-phenoxyphenoxy) ethyl] carbamate, was the first commercial compound to be marketed for the control of scale insect pests (Dorn et al, 1981;Masner et al, 1987;Peleg, 1988). Pyriproxyfen, 2-[1-methyl-2-(4-phenoxyphenoxy)ethoxy] pyridine, is a fenoxycarb derivative in which a part of the aliphatic chain has been replaced by pyridyl oxyethylene.…”

Section: Introductionmentioning

confidence: 99%

“…The compound is a potent JH mimic affecting the hormonal balance in insects resulting thereby in strong suppression of embryogenesis, metamorphosis, and adult formation (Itaya, 1987, Kawada, 1988Langley, 1990;Koehler and Patterson, 1991). Pyriproxyfen is considered a leading compound for controlling whiteflies (Ishaaya andHorowitz, 1992, 1995;Ishaaya et al, 1994) and scale insects (Peleg, 1988), and it is one of the important components in IRM strategies in cotton fields .…”

Section: Introductionmentioning

confidence: 99%

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Biorational insecticides: Mechanism and cross‐resistance

Ishaaya

Kontsedalov

Horowitz

2005

Arch Insect Biochem Physiol

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Potency and cross-resistance of various biorational insecticides, exemplified by the whitefly Bemisia tabaci, have been studied. Bemisia tabaci were exposed to the juvenile hormone mimic pyriproxyfen for the past 12 years resulting in an over 2,000-fold resistance, but there was no appreciable cross-resistance with the benzoylphenyl urea novaluron. Similarly, no cross-resistance was found between pyriproxyfen and the two neonicotinoids, acetamiprid and imidacloprid. On the other hand, a slight cross-resistance of 5-13-fold was observed with another neonicotinoid thiamethoxam. Among the neonicotinoids, a resistant strain of B. tabaci to thiamethoxam (approximately 100-fold) showed no appreciable cross-resistance to either acetamiprid or imidacloprid, while another strain 500-fold resistant to thiamethoxam resulted in a mild of 4-6-fold resistance to acetamiprid and imidacloprid. In other assays, B. tabaci strain resistant to thiamethoxam (approximately 100-fold) had no cross-resistance to pyriproxyfen. Our findings indicate that no appreciable cross-resistance was observed between the benzoylphenyl urea novaluron, the juvenile hormone mimic pyriproxyfen, and the neonicotinoids acetamiprid and imidacloprid. Hence, these compounds could be used as components in insecticide resistance management programs.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Biorational insecticides: Mechanism and cross‐resistance

Ishaaya

Kontsedalov

Horowitz

2005

Arch Insect Biochem Physiol

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“…The chitin inhibitor buprofezin has a relatively narrow spectrum of activity against homopterous insects, while pyriproxyfen, a juvenile hormone analog, has a broader spectrum of activity (Dhadialla et al, 1998;Ishaaya et al, 1988). Laboratory bioassay studies have found both compounds to be either benign (Balasubramani and Regupathy, 1994;Castane et al, 1996;Delbeke et al, 1997;Hoddle et al, 2001;Jones et al, 1995;Liu and Stansly, 1997;Peleg, 1988) or toxic (Chen and Liu, 2002;Declercq et al, 1995;Gerling and Sinai, 1994;Hattingh and Tate, 1995;Hoddle et al, 2001;Jones et al, 1998;Liu and Chen, 2000;Magagula and Samways, 2000;Mendel et al, 1994;Smith et al, 1999) to various predators and parasitoids. Few studies have examined the selectivity of these materials in the field (e.g., Naranjo et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Conservation of natural enemies in cotton: role of insect growth regulators in management of Bemisia tabaci

2004

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Field studies were conducted from 1997 to 1999 to contrast the effects of two insect growth regulators (IGRs) and conventional insecticides on natural enemy conservation in cotton within the context of alternative management strategies for Bemisia tabaci (Gennadius). Compared with an untreated control, insecticide regimes based on the initial use of the IGR buprofezin or pyriproxyfen reduced densities of eight predator taxa out of 20 examined in at least one year, including common species such as Geocoris punctipes (Say), Nabis alternatus Parshley, Chrysoperla carnea s.l., and the empidid fly Drapetis nr. divergens. Patterns of predator and pest population change relative to IGR application dates suggest that factors other than direct toxic effects, such as reduction in prey availability, were likely involved. In comparison, the use of conventional insecticides reduced populations of nearly all the predatory taxa examined in most years, including those affected by IGRs, with the impact being greater and more immediate in all cases. Predator:prey ratios were significantly increased by the use of IGRs compared with both the untreated control and a conventional insecticide regime in most instances. The application of conventional insecticides for suppression of Lygus hesperus Knight, another key pest in the system, in a split-plot design reduced densities of most predator taxa and diminished the selective advantage of the IGRs. Rates of parasitism by aphelinid parasitoids (Eretmocerus eremicus Rose and Zolnerowich and Encarsia spp.) were generally low and did not vary consistently due to B. tabaci or L. hesperus insecticide regimes over the three years. Our 3-year study demonstrates the more selective action of buprofezin and pyriproxyfen in an effective integrated control system for B. tabaci. The use of these IGRs could further facilitate biologically based management in cotton production systems. Published by Elsevier Inc.

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“…This chemical has insecticidal activities against various pest insects, such as houseflies (Kawada et al, 1987), mosquitoes (Schaefer et al, 1988), and scales (Peleg, 1988). It has also shown potential for practical use in the control of cockroaches (Koehler and Patterson, 1991), tsetse flies (Hargrove and Langley, 1993), whiteflies (Ishaaya and Horowitz, 1995), and chironomids (Ali et al, 1993).…”

Section: Introductionmentioning

confidence: 99%

In vitro metabolism of pyriproxyfen by microsomes from susceptible and resistant housefly larvae

Zhang

Kasai

Shono

1998

Arch. Insect Biochem. Physiol.

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Levels of cytochrome P450 and b5 were investigated in microsomal enzymes of houseflies from the gut and fat body of the third instar larvae of a pyriproxyfen‐resistant strain (YPPF) and two pyriproxyfen‐susceptible strains (YS and SRS). In comparison to the YS and SRS strains, YPPF microsomes had higher levels of total cytochrome P450s in both the gut and fat body. Furthermore, microsomes from the gut and fat body of YPPF larvae were found to have a much greater ability to hydroxylate aniline than YS larvae. In vitro metabolism studies of pyriproxyfen indicated that the metabolic rates were much higher in both the gut and fat body of YPPF larvae than of YS and SRS larvae. The major metabolites of pyriproxyfen in houseflies were identified to be 4′‐OH‐pyriproxyfen and 5′‐OH‐pyriproxyfen. Cytochrome P450 inhibitors, piperonyl butoxide (PB) and 2‐propynyl 2,3,6‐trichlorophenyl ether (PTPE), decreased the metabolic rates significantly in all three strains. This study confirmed that microsomal cytochrome P450 monooxygenases play an important role in the pyriproxyfen resistance of the housefly. Furthermore, it suggests that the fat body must be as important as the gut for the metabolism of pyriproxyfen in resistant housefly larvae. Arch. Insect Biochem. Physiol. 37:215–224, 1998. © 1998 Wiley‐Liss, Inc.

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Effect of a New Phenoxy Juvenile Hormone Analog on California Red Scale (Homoptera: Diaspididae), Florida Wax Scale (Homoptera: Coccidae) and the Ectoparasite Aphytis holoxanthus DeBache (Hymenoptera: Aphelinidae)

Cited by 54 publications

References 0 publications

Biorational insecticides: Mechanism and cross‐resistance

Biorational insecticides: Mechanism and cross‐resistance

Conservation of natural enemies in cotton: role of insect growth regulators in management of Bemisia tabaci

In vitro metabolism of pyriproxyfen by microsomes from susceptible and resistant housefly larvae

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