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The multicolored Asian ladybeetle Harmonia axyridis (Coleoptera: Coccinellidae) in Quebec agroecosystems ten years after its arrival
The multicolored Asian ladybeetle, Harmonia axyridis (Coleoptera: Coccinellidae), was first reported in southern Canada in 1994. In this study, we examined the status of the ladybeetle in Quebec… Expand
Seroprevalence of Toxoplasma gondii in North-eastern Atlantic harbor seal (Phoca vitulina vitulina) and grey seal (Halichoerus grypus).
Antibodies to Toxoplasma gondii were determined in serum samples from 47 grey seals (Halichoerus grypus) and 56 harbor seals (Phoca vitulina vitulina) from the Atlantic coasts of United Kingdom and… Expand
Utilization of Bacillus thuringiensis var. israelensis (Bti)-based formulations for the biological control of mosquitoes in Canada.
Since the discovery of Bacillus thuringiensis var. israelensis (Bti) in 1976, extensive literature has proven its efficacy to control mosquitoes, of which many species are known as important vectors… Expand
Effects of imidacloprid on Harmonia axyridis (Coleoptera: Coccinellidae) larval biology and locomotory behavior.
The effects of imidacloprid on 1-day-old third instars of Harmonia axyridis were assessed by topical treatment and contact with treated glass plates in laboratory bioassays. When 5 µl of imidacloprid… Expand
Predation upon the oblique-banded leafroller, Choristoneura rosaceana (Lepidoptera: Tortricidae), by two aphidophagous coccinellids (Coleoptera: Coccinellidae) in the presence and absence of aphids
Our goal has been to determine the effect of the presence of aphids on voracity (measured as number of prey eaten and biomass consumed) of Coccinella septempunctata L. and Harmonia axyridis Pallas… Expand
Entomological limits to biological control programs in Quebec apple orchards.
Effects of five insecticides used in apple orchards on Hyaliodes vitripennis (say) (Hemiptera: Miridae)
- N. Bostanian, N. Larocque, C. Vincent, G. Chouinard, Y. Morín
- Biology, Medicine
- Journal of environmental science and health. Part…
- 1 March 2000
Abstract Azinphos‐methyl, carbaryl, dimethoate, phosmet and phosalone were used in apple orchards to manage apple aphid, apple maggot, woolly apple aphid and leaf eating caterpillars. Among the five… Expand
Safety of Bacillus thuringiensis var. kurstaki applications for insect control to humans and large mammals.
This minireview discusses the risks to humans and large mammals associated with the use of Bacillus thuringiensis var. kurstaki (Btk) in forest, agricultural and urban environments. The first… Expand
Assessment of technical skills in open and laparoscopic surgery
Positioning of biopesticides in Thailand.
Thailand is one of the ASEAN countries that intensively uses synthetic pesticides in agriculture. Frequently, Thai farmers misuse these pesticides, leading to the contamination of agricultural… Expand