Nitrogen and Energy Requirements of the North American Porcupine (Erethizon dorsatum)

1997 ◽  
Vol 70 (6) ◽  
pp. 615-620 ◽  
Author(s):  
François Fournier ◽  
Donald W. Thomas
1997 ◽  
Vol 23 (12) ◽  
pp. 2737-2754 ◽  
Author(s):  
Guang Li ◽  
Uldis Roze ◽  
David C. Locke

Parasitologia ◽  
2021 ◽  
Vol 1 (2) ◽  
pp. 45-49
Author(s):  
John D. Scott

Adult females of the blacklegged tick, Ixodes scapularis (Acari: Ixodidae), were collected from a North American porcupine, Erethizon dorsatum, in eastern Ontario, Canada. This porcupine parasitism indicates that an established population of I. scapularis is present in the local vicinity. This tick species is known to parasitize more than 150 different vertebrate hosts, including the North American porcupine. The presence of I. scapularis ticks parasitizing a North American porcupine constitutes a new tick-host record in Canada.


1973 ◽  
Vol 11 (1) ◽  
pp. 95-98 ◽  
Author(s):  
John C. Bloom ◽  
John G. Rogers ◽  
Owen Maller

2005 ◽  
Vol 83 (5) ◽  
pp. 754-764 ◽  
Author(s):  
Annie Comtois ◽  
Dominique Berteaux

Biting flies are known to influence the behaviour and microhabitat use of certain mammals. However, most studies were realized in open habitats. Our objective was to determine if mosquitoes (Culicidae) and black flies (Simuliidae) affect the behaviour and habitat use of a mammal typical of the boreal forest, the North American porcupine (Erethizon dorsatum (L., 1758)). The project was divided into three parts: (1) abundance of biting flies and their (2) direct effects (bites) and (3) indirect effects (repelling movements and microhabitat use) on porcupines. The abundance of insects was measured with CO2-baited traps. Ten male porcupines were followed by telemetry. Mosquitoes were more abundant on the ground than in the tree canopy and the opposite was observed for black flies. The biting flies were less abundant inside dens than outside. The quantity of bites on porcupines was correlated with the abundance of black flies. We observed frequent repelling movements that were associated with the presence of insects. Some microhabitats offered excellent protection against biting insects, but porcupines did not use these refuges to a greater extent at the peak of insect abundance. We conclude that, although biting flies had measurable impacts on the wounding rate and behaviour of porcupines, this did not translate into important shifts in habitat use.


CYTOLOGIA ◽  
1987 ◽  
Vol 52 (2) ◽  
pp. 331-333
Author(s):  
Fernande B. Genest ◽  
P. Morisset ◽  
R. P. Patenaude

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