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Behavior and Ethology Commons

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Full-Text Articles in Behavior and Ethology

The Genetic And Environmental Basis For Chc Biosynthesis In Drosophila, Heather Ke Ward Sep 2017

The Genetic And Environmental Basis For Chc Biosynthesis In Drosophila, Heather Ke Ward

Electronic Thesis and Dissertation Repository

Cuticular hydrocarbons (CHCs) are produced by insects and primarily used to prevent desiccation. In Drosophila, certain compounds have secondary roles as infochemicals that may act during courtship to influence mate choice. Certain CHCs may stimulate courtship with heterospecifics or act to repel conspecifics. The CHC profile produced by an individual is the result of the interaction between its genetic background and the environment, though the genes that underlie species differences in CHC production and how the environment can modulate the abundance of individual compounds within a species is not well known. Here, candidate gene CG5946 was found to be …


Behavioral Ecology Of An Invasive Species: Habitat And Mate Preference(S) In Drosophila Suzukii, Yvonne Young, Natasha Buckiewicz, Tristan Af Long Dr. Jan 2017

Behavioral Ecology Of An Invasive Species: Habitat And Mate Preference(S) In Drosophila Suzukii, Yvonne Young, Natasha Buckiewicz, Tristan Af Long Dr.

Theses and Dissertations (Comprehensive)

The invasive Spotted-Wing fruit fly, Drosophila suzukii, has inflicted substantial economic losses to the soft-fruit agriculture industry worldwide due to the ability of females in this species to use a large, serrated ovipositor to cut the fruit’s skin and lay eggs directly into the mesocarp of ripening fruit. Once the eggs hatch, larvae consume the fruit flesh, ultimately leaving the fruit unmarketable. This species parasitizes numerous commercial fruit types (including blueberries, blackberries, strawberries, raspberries and occasionally grapes) as well as fruits from a variety of wild plant species. Since fruit types vary in their nutritional composition, as well as their …