Diapause Maintenance and Termination in Grape Berry Moth (Lepidoptera: Tortricidae)

Tobin, Patrick C.; Nagarkatti, Sudha; Saunders, Michael C.

doi:10.1603/0046-225x-31.4.708

Cited by 30 publications

(35 citation statements)

References 22 publications

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“…Nagarkatti et al (2001) observed that E. viteana was a "long-day" species in which diapause was elicited by shortening photoperiods (Lees 1955); thus, in E. viteana, which overwinters in the pupal stage, the photoperiod at which eggs were laid inßuenced diapause induction. Also, we observed that diapause termination was temperature dependent, with the Þrst adults emerging at Ϸ148 accumulated degree-days from 1 January (Tobin et al 2002).…”

mentioning

confidence: 70%

“…We have since modeled development , and estimated a minimum base temperature threshold of 8.4ЊC with egg-to-adult development requiring a median of 424 degree-days. We also elucidated the environmental factors that inßuence diapause induction , and diapause termination (Tobin et al 2002). Nagarkatti et al (2001) observed that E. viteana was a "long-day" species in which diapause was elicited by shortening photoperiods (Lees 1955); thus, in E. viteana, which overwinters in the pupal stage, the photoperiod at which eggs were laid inßuenced diapause induction.…”

mentioning

confidence: 98%

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Phenology of Grape Berry Moth (Lepidoptera: Tortricidae) in Cultivated Grape at Selected Geographic Locations

2003

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confidence: 70%

mentioning

confidence: 98%

Phenology of Grape Berry Moth (Lepidoptera: Tortricidae) in Cultivated Grape at Selected Geographic Locations

2003

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“…Although panel trap data appears to better reßect intervals between peaks than pheromone trap data, there is still considerable variability. In part, this variability may be because of prolonged emergence of adults from winter diapause (Tobin et al 2002).…”

Section: Discussionmentioning

confidence: 99%

Monitoring Grape Berry Moth (Paralobesia viteana: Lepidoptera) in Commercial Vineyards using a Host Plant Based Synthetic Lure

et al. 2011

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For some Lepidopteran pests, such as the grape berry moth Paralobesia viteana (Clemens), poor correlation between males captured in traps baited with sex pheromone and oviposition activities of female moths has called into question the value of pheromone-based monitoring for these species. As an alternative, we compared the capture of female and male grape berry moth in panel traps baited with synthetic host volatiles with captures of males in pheromone-baited wing traps over two growing seasons in two blocks of grapes in a commercial vineyard in central New York. Lures formulated in hexane to release either 7-component or 13-component host volatile blends captured signiÞcantly more male and female grape berry moth on panel traps compared with the numbers captured on panel traps with hexane-only lures. For both sexes over both years, the same or more moths were captured in panel traps along the forest edge compared with the vineyard edge early in the season but this pattern was reversed by mid-season. Male moths captured in pheromone-baited wing traps also displayed this temporal shift in location. There was a signiÞcant positive correlation between captured males and females on panel traps although not between females captured on panel traps and males captured in pheromone-baited traps for both years suggesting pheromone traps do not accurately reßect either female or male activity. Male moths captured in pheromone traps indicated a large peak early in each season corresponding to Þrst ßight followed by lower and variable numbers that did not clearly indicate second and third ßights. Panel trap data, combining males and females, indicated three distinct ßights, with some overlap between the second and third ßights. Peak numbers of moths captured on panel traps matched well with predictions of a temperature-based phenology model, especially in 2008. Although effective, panel traps baited with synthetic host lures were time consuming to deploy and maintain and captured relatively few moths making them impractical, in the current design, for commercial purposes.

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“…Xue mentioned that diapause in Colaphellus bowringi is induced principally by low temperature and less so by photoperiod (Xue et al, 2002). The same response is seen in Endopiza viteana (Tobin et al, 2002). Earlier examples are cited in Beck (1991).…”

Section: Discussionmentioning

confidence: 99%

The effect of environmental conditions on diapause in the blister beetle, Mylabris phalerata (Coleoptera: Meloidae)

Zhu¹,

Xue²,

Lei³

2006

Eur. J. Entomol.

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Abstract. In the field, the blister beetle Mylabris phalerata Pallas (Coleoptera: Meloidae) undergoes larval diapause in the ground, which lasts for nearly six months. The effect of the soil environment on this diapause was examined. Final instar larvae kept at temperatures of 26°C do not enter diapause and continued to develop regardless of the soil water content and photoperiod. Below 25°C the final instar larvae entered diapause regardless of soil water content and photoperiod. The early stages, particularly L2, appeared to be more important for diapause induction than the later stages. However, the other instars were also sensitive. Temperature, rather then photoperiod was the main factor influencing pupal duration.

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Diapause Maintenance and Termination in Grape Berry Moth (Lepidoptera: Tortricidae)

Cited by 30 publications

References 22 publications

Phenology of Grape Berry Moth (Lepidoptera: Tortricidae) in Cultivated Grape at Selected Geographic Locations

Phenology of Grape Berry Moth (Lepidoptera: Tortricidae) in Cultivated Grape at Selected Geographic Locations

Monitoring Grape Berry Moth (Paralobesia viteana: Lepidoptera) in Commercial Vineyards using a Host Plant Based Synthetic Lure

The effect of environmental conditions on diapause in the blister beetle, Mylabris phalerata (Coleoptera: Meloidae)

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