Browsing by Advisor
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Butterflies of Verde Sumaco, Ecuador during late December
(2020)This thesis explores the different Lepidopteran species that were found around the community of Verde Sumaco, Ecuador, in December of 2018. The objective of this thesis was to determine if there is a difference in ... -
Control measures of gypsy moth and the effect of STS modeling in Canada
(2020)Gypsy moths are an introduced invasive species which causes decline in oak and maple in southern Ontario. In 1869 the moth was introduced into Massachusetts by Leopold Trouvelot, whose mission was to start a silk industry ... -
Determining genetic resistance to jack pine budworm defoliation in jack pine from different geographic seed sources across Ontario
(2020)Jack pine budworm is an outbreak insect that defoliates jack pine forests across Canada. While it is a native species, the outbreaks can have severe economic impacts, such as loss of timber volume and increased risk of ... -
Diversity, phenology, and host associations of wild bees (Hymenoptera: Anthophila) in Thunder Bay, Ontario
(2020)Although extremely important to the functioning of productive ecosystems, wild bee communities are at risk due habitat loss and agricultural intensification. Wild bee species surveys provide valuable information on the ... -
The economic value of recovering the town of Oakville's urban forest after the impacts of the emerald ash borer
(2019)The Town of Oakville is responsible for maintaining some 2,016,500 city trees planted within boulevards on the city’s streets (UFORE 2016). Prior to the emerald ash borer, ash trees represented the top 5 most trees planted ... -
The effect of Bacillus thuringiensis serotype kurstaki (Btk) as an insecticide on jack pine budworm in the 2019 Northern Ontario spray program in comparison to historical use
(2020)Bacillus thuringiensis (Bt) has been used historically as an insecticide by the Ontario Ministry of Natural Resources and Forestry (OMNRF) to suppress jack pine budworm populations in dense outbreaks. In some previous ... -
The effect of block composition on the severity of spruce beetle (Dendroctonus rufipennis) damage in northern British Columbia
(2021)The spruce beetle (Dendroctonus rufipennis) is a natural part of the western North American landscape, feeding on the phloem of trees in the Picea genus. The spruce beetle generally feeds on downed trees but can also ... -
The effect of climate change on mountain pine beetle (Dendroctonus ponderosae Hopkins) in Western Canada
(2021)The mountain pine beetle, Dendroctonus ponderosae, (MPB) is the largest forest disturbance factor throughout its range in North America. The most recent MPB outbreak began in the 1990s and has resulted in an approximate ... -
Estimating tanager densities in chakra agroforests in relation to plant species diversity and area of chakra
(2019)Chakra agroforests in the community of Verde Sumaco, Ecuador were surveyed to estimate tanager densities. Distance sampling using transects was the methodology used to record presence of tanager species. Using the data ... -
The impact of invasive thistle species on dynamics of Cercopidae in the Stikine-Skeena region of northern British Columbia
(2020)During the Summer of 2019 I worked on suppressing invasive species spread in the Stikine-Skeena region of Northern British Columbia. I frequently observed invasive thistle species of the genus Cirsium hosting abundant ... -
Investigation of an epidemic of balsam poplar leaf blotch miner, Phyllonoricter Nipigon, (Leptidoptera: Gracilleriidae) in Thunder Bay, Ontario
(2019)In the summer of 2018, an outbreak of Phylonorycter nipigon, commonly known as the balsam poplar leaf blotch miner, was identified on the Lakehead University campus in Thunder Bay, Ontario. All balsam poplar and trembling ... -
Mitigating the effects of the white satin moth (Leucoma salicis) in Thunder Bay’s urban forest
(2021)The white satin moth, Leucoma salicis (L.), has been detected as a pest of urban trees in Thunder Bay, Ontario. Surveys were conducted in urban environments following the discovery of this introduced species to determine ... -
A morphological comparison of two Canadian populations of the pink striped oakworm (Anisota virginiensis Drury) (LEPIDOPTERA: SATURNIIDAE)
(2021)This thesis involves a morphological and physiological comparison of two Canadian populations (Manitoba and Nova Scotia), and several USA populations of adult pink-striped oakworm (Anisota virginiensis) moths. It was ... -
North American pinewood nematode disease in China
(2019)The pinewood nematode (Bursaphelenchus xylophilus) is an important alien invasive species in China. This pinewood nematode poses a serious threat to Chinese forests. It does have an important impact on forestry, including ... -
An Ontario approach to urban pest management: a case study for emerald ash borer
(2020)The Emerald Ash Borer (EAB) is an invasive insect pest that was imported to North America from Asia in packaging materials and shipping containers. It first became established in Detroit, Michigan and Windsor, Ontario in ... -
Recent expansion of black-legged ticks, Ixodes scapularis, into the Thunder Bay region: Implications and putative role of climate change
(2019)The distribution of Ixodes scapularis is increasing in Ontario, thereby increasing the risk of contracting Lyme disease. Climate change is a likely factor in the northward expansion of I. scapularis populations. Here, I ... -
Recognizing the effects of climate change on honeybees
(2021)Honeybees (Apis mellifera L.) are an essential pollinating species as they are important in building healthy and resilient ecosystems. Honeybees, now found all over the globe, were introduced to North America from Europe ... -
Saproxylic beetle species associations with structural composition of red pine coarse woody debris at Hogarth plantation
(2020)How forest management practices affect the biodiversity of saproxylic insects is currently poorly understood. Since these insects play a role in nutrient cycling, failure to properly manage for saproxylic insects could ... -
Strategies to reduce the decline of wild bumble bees in North America: are they working?
(2020)Bumble bees are major pollinators of the world’s agricultural crops and wild plants and, as such, play a key role in maintaining economic prosperity and biodiversity. The decline of wild bumble bees in North America has ...