Temperature profiles inside webs of the fall webworm, Hyphantria cunea (Lepidoptera: Arctiidae): Influence of weather, compass orientation, and time of day
✍ Scribed by Bradley G. Rehnberg
- Book ID
- 104034942
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 213 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0306-4565
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✦ Synopsis
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Webs of the fall webworm (Hyphantria cunea) were studied to determine how web temperatures change over 24-h periods. 2. Temperatures inside webs were strongly elevated compared to ambient temperatures for 6-8 h per day. On rainy, overcast days and at night, however, web temperatures were very close to ambient temperatures.
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South-facing and north-facing webs were not significantly different in their capacity to absorb and retain heat. Directions of webs were not biased toward south, north, east, or west.
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Although webworms cannot physiologically elevate body temperatures, they clearly do create living spaces that efficiently capture diurnal environmental heat.