Field Releases of Codling Moths Sterilized by Tepa or by Gamma Irradiation, 1964-67123

Butt, B. A.; Hathaway, D. O.; White, L. D.; Howell, J. F.

doi:10.1093/jee/63.3.912

Cited by 16 publications

(9 citation statements)

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“…Flight bioassays for moths have included actographs (Keil et al 2001;Bloem et al 2006a,b;Gu et al 2006), flight mills (Huettel 1976;Schumacher et al 1997), wind tunnels (Suckling et al 2007) and release/recapture of marked adults (Butt et al 1970;Bloem et al , 2004. Each of these bioassays has been used successfully to identify significant treatment effects on codling moth quality.…”

Section: Discussionmentioning

confidence: 99%

“…Simple bioassays that can be conducted in the laboratory as surrogates for laborious field tests would be a very cost-effective way of monitoring field performance, but little is known about the correlation of quality as observed in the laboratory (mass-rearing facility) or field cages and what actually is happening in the field. Mobility, flight propensity and flight ability are elemental traits that influence the performance of sterile insects released in the field, and bioassays for these traits, including actographs (Keil et al 2001;Bloem et al 2006a,b;Gu et al 2006), flight mills (Huettel 1976;Schumacher et al 1997), wind tunnels (Suckling et al 2007) and release/recapture of marked adults (Butt et al 1970;Bloem et al , 2004, have successfully identified significant treatment effects on codling moth quality. However, some of these bioassays are sophisticated, require significant technological expertise, have a low throughput that limits sample size and have limited portability between the field and laboratory.…”

Section: Introductionmentioning

confidence: 99%

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A flight cylinder bioassay as a simple, effective quality control test for Cydia pomonella

Carpenter

Blomefield

Vreysen

2012

J Applied Entomology

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Assessment of quality of the sterile male insects that are being mass‐reared for release in area‐wide integrated pest management programmes that include a sterile insect technique component is crucial for the success of these programmes. Routine monitoring of sterile male quality needs to be carried out both in the mass‐rearing facility and in the field. Simple bioassays that can be conducted in the laboratory and that would be surrogates for laborious field tests would be a very cost‐effective way of monitoring sterile male field performance. Simple flight cylinders were used to assess whether these could detect differences in quality of male codling moth Cydia pomonella. The number of male and female codling moths that flew out of the cylinders was influenced by cylinder diameter, cylinder height and number of hours following the initiation of the test. The flight cylinder bioassay was capable of detecting differences in quality of codling moths induced by irradiation when moths were shipped, but no differences were found in flight ability when the moths were not transported. The tests also confirmed that handling and shipment reduced quality more for irradiated than for non‐treated codling moth, and that insect quality was significantly influenced by larval rearing protocols. The flight cylinder bioassay was therefore successful in detecting differences in codling moth quality induced by various treatments that had been identified previously by more complex laboratory bioassays and field trials. Treatment differences were most likely detected when flight cylinders were 16 cm high.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A flight cylinder bioassay as a simple, effective quality control test for Cydia pomonella

Carpenter

Blomefield

Vreysen

2012

J Applied Entomology

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“…The economic significance of the codling moth Cydia pomonella (L.) has stimulated research into new methods of its control. Thus the sterile male technique has been successfully tested in orchards (Proverbs et al, 1969;Butt et al, 1970); the female sex pheromone has been identified (Roelofs et al, 1971) and is now commercially available for monitoring the occurrence of adult male moths. The present paper attempts still another approach to the control of the codling moth, namely the use of juvenile hormone mimics.…”

Section: Introductionmentioning

confidence: 99%

Effects of juvenile hormone mimics on the codling moth Cydia Pomonella (L.) (Lep., Olethreutidae)

Gelbič¹,

Sehnal²

1973

Bull. Entomol. Res.

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Laboratory experiments with juvenile hormone analogues on Cydia pomonella (L.) showed that Cecropia C17 juvenile hormone (methyl 10,ll-epoxy-3,7,ll-trimethyl-2,6-dodecadienoate) was the most active of the 28 compounds tested. When applied to four-hour-old eggs at 0.1 jug/egg, the hormone caused 100% failure in embryogenesis, while the other compounds were at least five times less effective. Depending on the time since ecdysis and the dose, juvenile hormone mimics applied to last-instar larvae resulted in a wide range of intermediate forms. Against three-day-old last-instar larvae, the Cecropia C17 hormone gave 100% inhibition of development at a dose of 1 /ng/larva, while three other compounds (methyl 10,ll-epoxy-3,7,ll-trimethyl-2,6-dodecadienoate, ethyl ll-chloro-3,7,11-trimethyl-2-dodecenoate and ethyl 3,7,11-trimethyl-2,4-dodecadienoate) gave the same effect at 2 -5 /ig/larva. Against newly emerged adults, the last two compounds at 10-50 jug/insect reduced fecundity and fertility to 0-81% and 0-50%, respectively, of their normal levels.

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“…The difficulties encountered in producing sterile competitive boll-weevils have led to the study of possible combinations of radiation and chemosterilant treatment , a consideration also suggested by Dame & Schmidt (1970) in relation to tsetse flies. The release of male codling moths sterilised by topical application was successful on a pilot scale in North America (Butt et al, 1970). A rather bizarre approach, suggested by Morgan (1967a), was the release of ' booby-trapped' females.…”

Section: Possible Practical Control Procedures Involving the Use Of Imentioning

confidence: 99%

Insect chemosterilants: a review

Campion¹

1972

Bull. Entomol. Res.

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In this paper the present status of insect chemosterilants is reviewed. Chemosterilants may be categorised into eight main chemical groups. Practical control measures involving the use of chemosterilants are discussed, also the persistence of these substances when applied to the insect. The gross effects of chemosterilants on insect reproductive systems and also the effects on egg develpment when female insects are mated to chemosterilised males are described, including dominant lethality, reciprocal translocation, enzyme inhibition and sperm inactivation. The possibilities of recovery of fertility and insect resistance to the sterilising effects of chemosterilants are discussed. Endocrine misfunction and chemosterilant action are related. The only practical chemosterilants as control agents are the aziridines although mutagenic hazards associated with these substances preclude their widespread usage. The sterilising activity of certain insect hormone analogues and related substances encourages the belief that safe insect specific sterilising agents can be found.

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Field Releases of Codling Moths Sterilized by Tepa or by Gamma Irradiation, 1964-67123

Cited by 16 publications

References 0 publications

A flight cylinder bioassay as a simple, effective quality control test for Cydia pomonella

A flight cylinder bioassay as a simple, effective quality control test for Cydia pomonella

Effects of juvenile hormone mimics on the codling moth Cydia Pomonella (L.) (Lep., Olethreutidae)

Insect chemosterilants: a review

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