Association of pitch moths (Lepidoptera: Sesiidae and Pyralidae) with rust diseases in a lodgepole pine provenance trial

Rocchini, Lynn A.; Lewis, Kathy J.; Lindgren, B. Staffan; Bennett, Robert

doi:10.1139/cjfr-29-10-1610

Cited by 5 publications

(9 citation statements)

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“…Results from 5 yr of pheromone trapping in the seed orchards and the provenance trial conÞrmed that Synanthedon novaroensis, the predominant pitch moth attacking P. contorta at the PGTIS (Rocchini et al 1999), is attracted to (Z,Z)-3,13-octadecadien-1-yl acetate. Thus, our results concur with those found by Johnson (1993) in central Washington.…”

Section: Discussionmentioning

confidence: 95%

“…Additional ßight data were collected from traps placed in four lodgepole pine seed orchards from northern BC: Omineca Pinchi #201 (4.15 ha, 8 ϫ 4 m spacing, 1002 trees, planted 1974); Omineca Pinchi #202 (1.73 ha, 6 ϫ 4 m spacing, 362 trees, planted 1978); Willow-Bowron #203 (2.9 ha, 6 ϫ 4 m spacing, 807 trees, planted 1978); and Smithers #204 (3.89 ha, 6 ϫ 6 m spacing, 981 trees, planted 1979). Each orchard produces seed for particular geographic areas of British Columbia (seed planning zones), and are separated from each other by a minimum of 500 m. In the provenance trial, 17.5% of 795 trees sampled had been attacked by Douglas-Þr pitch moth at least once (Rocchini et al 1999). In the seed orchards, from 19.9% to 30.8% of the trees had been attacked at least once (Rocchini 1997).…”

Section: Methodsmentioning

confidence: 99%

“…Each pair consisted of one sticky wing trap, and one green Unitrap. Traps within each pair were randomly assigned positions 8 Ð10 m apart, and replicates were separated by Ͼ25 m. Because Douglas-Þr pitch moth attacks on lodgepole pine at the PGTIS occur along almost the entire bole of the tree (Rocchini et al 1999), traps were suspended from the bottom branch of a lodgepole pine tree so that traps were Ϸ2Ð2.5 m above the ground, and 1Ð2 m from the bole of the tree. Traps were baited with red rubber septa loaded with 200 g of (Z,Z)-3,13-octadecadien-1-yl acetate.…”

Section: Methodsmentioning

confidence: 99%

“…The Douglas-Þr pitch moth, Synanthedon novaroensis (Henry Edwards) (Lepidoptera: Sesiidae), is a signiÞcant pest of lodgepole pine, Pinus contorta Douglas ex Loudon variety latifolia Engelmann, in seed orchards and provenance trials at the Prince George Tree Improvement Station (PGTIS) (Rocchini et al 1999) in central British Columbia. It is the only lodgepole pine-feeding sesiid known to occur at the PGTIS (Rocchini et al 1999). The pyralid pitch moth Dioryctria cambiicola (Dyar) also occurs throughout the area, but is primarily associated with stem rust cankers (Rocchini et al 1999).…”

mentioning

confidence: 99%

“…It is the only lodgepole pine-feeding sesiid known to occur at the PGTIS (Rocchini et al 1999). The pyralid pitch moth Dioryctria cambiicola (Dyar) also occurs throughout the area, but is primarily associated with stem rust cankers (Rocchini et al 1999). This species is most prevalent in the provenance trials at the PG-TIS.…”

mentioning

confidence: 99%

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Douglas-fir pitch moth,Synanthedon novaroensis(Lepidoptera: Sesiidae) in North-Central British Columbia: Flight Period and the Effect of Trap Type and Pheromone Dosage on Trap Catches

2003

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Section: Discussionmentioning

confidence: 95%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Douglas-fir pitch moth,Synanthedon novaroensis(Lepidoptera: Sesiidae) in North-Central British Columbia: Flight Period and the Effect of Trap Type and Pheromone Dosage on Trap Catches

2003

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Semiochemical‐mediated oviposition behavior by female peachtree borer, Synanthedon exitiosa

Derksen

Chatterton

Gries

et al. 2007

Entomologia Exp Applicata

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The peachtree borer, Synanthedon exitiosa (Say) (Lepidoptera: Sesiidae), is an important pest of commercial cultivations of peach trees, Prunus persicae (L.) (Rosaceae). Identification of semiochemicals that mediate host selection by adult S. exitiosa may lead to the development of a new earth‐friendly tactic within integrated programs for control of S. exitiosa. Larvae develop in the phloem of peach trees where their feeding stimulates the production of gum frass, a mixture of tree phloem particles, tree sap (gum), and larval feces (frass). We tested the hypothesis that gum‐frass semiochemicals signal a potential host tree, and induce oviposition by female S. exitiosa. In coupled gas chromatographic‐electroantennographic detection analyses of Porapak Q‐collected gum frass volatiles, 21 compounds elicited responses from male or female S. exitiosa antennae. These compounds included four acids, four hydrocarbons, four ketones, three acetates, two aldehydes, γ‐decalactone, conophthorin, 2‐phenylethanol, and 2‐isopropyl‐3‐methoxypyrazine. In dual‐choice laboratory experiments, all groups of compounds, except the acetates, were needed to induce significantly more egg laying by female S. exitiosa on treatment than on unbaited control oviposition sites. By responding to gum frass semiochemicals, female S. exitiosa seem to exploit signals that are complex, detectable, and that reliably indicate a potential host tree for larval development.

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Investigating the influence of climate, site, location, and treatment factors on damage to young lodgepole pine in southern British Columbia

et al. 2010

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Lodgepole pine ( Pinus contorta Dougl. ex Loud. var. latifolia Engelm.) has been extensively planted throughout interior British Columbia, and as a result may be particularly susceptible to climate-induced changes in the range and severity of common damaging agents. We quantified the presence of 14 damaging agents in sixty-six 15- to 30-year-old pine stands. Hard pine stem rusts, primarily western gall rust, were present on every site. We used logistic regression to predict individual agent presence from climatic, location, site, and treatment factors and calculated odds ratios to evaluate whether risk to lodgepole pine increases or decreases as these factors change. Risk of damage from serious agents (stem disease, root disease, and mountain pine beetle) increased with increasing latitude; however, in several of these models, risk also increased as temperature of the coldest month got warmer. We also found evidence that increasing risk of damage from agents that are currently less serious (sequoia pitch moth, pine needle cast, and pine terminal weevil) was associated with warming and (or) increasingly dry climatic conditions. Given the predominance of lodgepole pine in northerly ecosystems and the prediction that climate change effects will increase with latitude, our results suggest the need to consider potential increases in damage from diseases and insects during silviculture planning and timber supply prediction.

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Association of pitch moths (Lepidoptera: Sesiidae and Pyralidae) with rust diseases in a lodgepole pine provenance trial

Cited by 5 publications

References 0 publications

Douglas-fir pitch moth,Synanthedon novaroensis(Lepidoptera: Sesiidae) in North-Central British Columbia: Flight Period and the Effect of Trap Type and Pheromone Dosage on Trap Catches

Douglas-fir pitch moth,Synanthedon novaroensis(Lepidoptera: Sesiidae) in North-Central British Columbia: Flight Period and the Effect of Trap Type and Pheromone Dosage on Trap Catches

Semiochemical‐mediated oviposition behavior by female peachtree borer, Synanthedon exitiosa

Investigating the influence of climate, site, location, and treatment factors on damage to young lodgepole pine in southern British Columbia

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