The Parasite Complex of the Forest Tent Caterpillar
1
in Northern Minnesota
2

Witter, John A.; Kulman, H. M.

doi:10.1093/ee/8.4.723

Cited by 31 publications

(31 citation statements)

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“…High parasitism rates by the ichneumonids Agrypon anale and Hyposoter fugitivus at several sites were unexpected, considering previous studies have found only very low or no larval parasitism by ichneumonid wasps (Witter & Kulman, 1979;Parry, 1995;Roth et al, 2006). High parasitism rates by the ichneumonids Agrypon anale and Hyposoter fugitivus at several sites were unexpected, considering previous studies have found only very low or no larval parasitism by ichneumonid wasps (Witter & Kulman, 1979;Parry, 1995;Roth et al, 2006).…”

Section: Parasitismmentioning

confidence: 84%

Generalist predation on forest tent caterpillar varies with forest stand composition: an experimental study across multiple life stages

Nixon

Roland

2012

Ecological Entomology

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1. Generalist enemies can regulate low-density forest insect populations, and are widely considered to cause greater mortality in more diverse habitats. Forest tent caterpillars (Malacosoma disstria Hübner; FTC) are a major defoliator of aspen (Populus tremuloides Micheaux) in the boreal forest, a region with a mosaic of forest stand types. This heterogeneity may influence FTC outbreaks if generalist predation or parasitism differs among stands of different tree composition.2. Using exclusion experiments we estimate predation and parasitism of FTC across multiple life-history stages in low-density populations occupying both aspen (low diversity) and mixedwood stands (high diversity).3. Arthropod and avian generalist predators were responsible for most natural enemy-caused mortality of immature FTC, but their relative impacts varied among FTC life-history stages. Contrary to expectation, predation on late instar larvae and pupae was higher in the less diverse aspen stands and early instar mortality did not differ.4. By considering multiple life-history stages, our results provide a more comprehensive view of natural enemy-caused morality of immature FTC. Because generalist predation on FTC was higher in aspen than in mixedwood stands, we suggest that FTC populations may be slower to reach outbreak levels in aspen stands.

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Section: Parasitismmentioning

confidence: 84%

Generalist predation on forest tent caterpillar varies with forest stand composition: an experimental study across multiple life stages

Nixon

Roland

2012

Ecological Entomology

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“…Population outbreaks are common in the deciduous forests of eastern North America, tending to occur at intervals of 6-16 years, and lasting from three to six years (Witter & Kulman, 1979). The biology of this economically important species is well known.…”

Section: Introductionmentioning

confidence: 99%

Fluctuating asymmetry and survival ability in the forest tent caterpillar moth Malacosoma disstria: implications for pest management

Naugler

Leech

1994

Entomologia Exp Applicata

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Fluctuating asymmetry of the first tarsal segment of the proleg of the forest tent caterpiller moth Malacosoma disstria Hbn. (Lepidoptera: Lasiocampidae) was significantly inversely related to survival ability in the lab. The monitoring of population levels of fluctuating asymmetry could have important implications in pest management of this and other species by providing an indication of the health of a population.

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“…Virtually all studies of forest tent caterpillar dynamics, however, have been carried out in epidemic populations (e.g., Tomlinson 1938, Sippell 1957, Varley et al 1974,Witter et al 1975, Witter and Kulman 1979, Witter 1979, Harmsen and Rose 1984, Smith and Goyer 1986, Bowers et al 1993, Roland 1993, Myers and Kukan 1995, Roland and Taylor 1997. This is in part because of the lack of monitoring techniques effective over a wide range of forest tent caterpillar densities, especially low densities.…”

mentioning

confidence: 99%

Evaluation of Synthetic Pheromones for Monitoring Forest Tent Caterpillar (Lepidoptera: Lasiocampidae) Populations

Schmidt¹,

Roland²,

Wakarchuk

2003

Environ Entomol

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The Parasite Complex of the Forest Tent Caterpillar 1 in Northern Minnesota 2

Cited by 31 publications

References 0 publications

Generalist predation on forest tent caterpillar varies with forest stand composition: an experimental study across multiple life stages

Generalist predation on forest tent caterpillar varies with forest stand composition: an experimental study across multiple life stages

Fluctuating asymmetry and survival ability in the forest tent caterpillar moth Malacosoma disstria: implications for pest management

Evaluation of Synthetic Pheromones for Monitoring Forest Tent Caterpillar (Lepidoptera: Lasiocampidae) Populations

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