The Importance of Parasites in the Spruce Budworm Infestations in New York and Maine

Jaynes, H. A.; Drooz, A. T.

doi:10.1093/jee/45.6.1057

Cited by 15 publications

(15 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The high rate of T. minutum parasitism in Zectran plots (Table 11) compares with the higher rates found in Maine by Jaynes and Drooz (1952). Thomas (1966) found higher rates of parasitism in years in which DDT was used for spruce budworm control, and our study also shows apparent parasitism to be greater in areas treated with Zectran but the difference is not statistically significant.…”

Section: Discussioncontrasting

confidence: 57%

THE EFFECTS OF ZECTRAN ON THE PARASITOIDS OF THE SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA (LEPIDOPTERA: TORTRICIDAE)

Leonard

Simmons

1974

Can Entomol

View full text Add to dashboard Cite

Can. Ent. 106: 545-554 (1974) Where the insecticide Zectran was used to protect foliage from feeding of the spruce budworm, Choristoneura fumiferana (Clemens) (Lepidoptera: Tortricidae), the per cent parasitism of dipteran parasitoids (Tachinidae) showed a statistically significant lower value. In treated areas, the per cent parasitism of the hymenopteran Ephialtes ontario (Cresson) (Ichneumonidae) was lower;Meteorus trachynotus Viereck was about the same; Apanteles fumiferanae Viereck, Glypta fumiferanae (Viereck) (Braconidae), and Trichogramma minutum Riley (Trichogrammatidae) were greater. None of these differences was statistically significant. Results were consistent for the 2 years of study with the exception of E. ontario which showed a significant lower percentage parasitism in areas treated 1 year. Absolute population numbers of parasitoids were lower than is suggested by comparisons of apparent parasitism levels. The lowest absolute numbers were found in tachinids and E. ontario. Parasitic hymenopterans and dipterans were among the adult insects killed by the aerial application of Zectran but none of the species collected was a major spruce budworm parasitoid. 545

show abstract

Section: Discussioncontrasting

confidence: 57%

THE EFFECTS OF ZECTRAN ON THE PARASITOIDS OF THE SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA (LEPIDOPTERA: TORTRICIDAE)

Leonard

Simmons

1974

Can Entomol

View full text Add to dashboard Cite

show abstract

“…These observations compare favourably with reports by Jaynes and Drooz (1952), Thomas (1966), and Leonard and Simmons (1974) that T. minutum incidence increased in plots treated with Zectran and DDT. These observations compare favourably with reports by Jaynes and Drooz (1952), Thomas (1966), and Leonard and Simmons (1974) that T. minutum incidence increased in plots treated with Zectran and DDT.…”

Section: Resultssupporting

confidence: 88%

THE NORTH AMERICAN SPECIES OF THE GENUS ACHRYSOCHAROIDES (HYMENOPTERA: EULOPHIDAE)

Yoshimoto

1977

Can Entomol

View full text Add to dashboard Cite

Can. Ent. 109: 9-14 (1977) Spruce budworm infested stands of white spruce and balsam fir were aerially sprayed with an entomopox virus, a nuclear polyhedrosis virus (NPV), a low dose of fenitrothion, and the two virus-chemical insecticide combinations. Long-term assessment of the efficacy of the treatments showed that NPV + a low dose of fenitrothion suppressed the budworm population density particularly on balsam fir below that causing economic damage for 3 years due mainly to transmission of the virus from one generation to the next and maintenance of natural control agents in the population.

show abstract

“…Parasitism of Choristoneura species in western North America is reportedly low McKnight 1974;Schaupp et al 1991) and E. caesar (as Aplomya caesar) was not included by Wilkes et al (1949) in the top 15 hymenopterous and dipterous parasitoids of C. occidentalis (as C. fumiferana) in British Columbia. Parasitism of budworms in the East is also usually low but there are several reports of rates in excess of 25% (Dowden et al 1948;Jaynes & Drooz 1952;Blais 1965). Parasitism of C. pinus was reported as low by Drooz and Benjamin (1956) in Michigan, by in Wisconsin, and by Nealis (1991) in Ontario, but as high as 13% in a study by Allen et al (1969) Wilkinson et al 2004 (MI).…”

Section: Eumea Caesarmentioning

confidence: 99%

A review of the tachinid parasitoids (Diptera: Tachinidae) of Nearctic Choristoneura species (Lepidoptera: Tortricidae), with keys to adults and puparia

O’Hara

2005

Zootaxa

View full text Add to dashboard Cite

The genus Choristoneura (Lepidoptera: Tortricidae) comprises about 16 species in the Nearctic Region and includes several destructive pests of importance to forestry and agriculture. The following 15 species of Tachinidae (Diptera) are recognized as occasional or common parasitoids of Choristoneura species in this region: Actia diffidens Curran, Actia interrupta Curran, Ceromasia auricaudata Townsend, Compsilura concinnata (Meigen), Cyzenis incrassata (Smith), Eumea caesar (Aldrich), Hemisturmia parva (Bigot), Hyphantrophaga blanda (Osten Sacken), Hyphantrophaga virilis (Aldrich and Webber), Lypha fumipennis Brooks, Madremyia saundersii (Williston), Nemorilla pyste (Walker), Nilea erecta (Coquillett), Phryxe pecosensis (Townsend), and Smidtia fumiferanae (Tothill). Keys to the adults and puparia of these tachinid species are provided. The known distribution, biology, and rates of parasitism are reviewed for each species and published host records from Choristoneura species are listed. Colour habitus images of adults, illustrations of all puparia, and illustrations of features mentioned in the adult key are included. Thirteen other species of Tachinidae recorded from Choristoneura species but excluded from the main text as highly dubious, rare, or accidental records are briefly discussed.

show abstract

The Importance of Parasites in the Spruce Budworm Infestations in New York and Maine

Cited by 15 publications

References 0 publications

THE EFFECTS OF ZECTRAN ON THE PARASITOIDS OF THE SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA (LEPIDOPTERA: TORTRICIDAE)

THE EFFECTS OF ZECTRAN ON THE PARASITOIDS OF THE SPRUCE BUDWORM, CHORISTONEURA FUMIFERANA (LEPIDOPTERA: TORTRICIDAE)

THE NORTH AMERICAN SPECIES OF THE GENUS ACHRYSOCHAROIDES (HYMENOPTERA: EULOPHIDAE)

A review of the tachinid parasitoids (Diptera: Tachinidae) of Nearctic Choristoneura species (Lepidoptera: Tortricidae), with keys to adults and puparia

Contact Info

Product

Resources

About