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Collective offspring-parent signaling in a social treehopper : mechanisms, patterns and function
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] I investigated the properties of collective behavior in a group-living insect, including the patterns of group behavior, the function of group level ...
Noise and signal transmission properties as agents of selection in the vibrational communication environment
(University of Missouri--Columbia, 2007)
Members of the Enchenopa binotata species complex (Hemiptera: Membracidae) are host-specific phytophagous insects that communicate by sending vibrations through their host plants. Successful communication depends on the ...
Diversification in plant feeding insects : patterns of host-plant specialization and mating signal evolution inferred from species-level phylogeny and population genetics
(University of Missouri--Columbia, 2009)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Speciation yields two reproductively isolated groups capable of living in sympatry without cross-fertilization. Thi inability to hybridize is caused ...
Age effects on reproductive behavior in the treehopper umbonia crassiscornis (Hemipera: membracidae)
(University of Missouri--Columbia, 2007)
In many animal species females select mates based on male age. This choice is often linked to the reproductive benefits females derive. Age-based choice is also influenced by variation in the ability of males to find and ...
Communication about predation risk between parents and offspring groups in treehoppers
(University of Missouri--Columbia, 2011)
False alarms should be common and costly for group-living animals, but to limit false alarms, animals must evade a tradeoff between response sensitivity and accuracy. I investigated this topic in two closely-related species ...
Postcopulatory sexual selection in the soldier fly Merosargus cingulatus
(University of Missouri--Columbia, 2011)
My dissertation research focuses on the largely understudied field of postcopulatory (or "cryptic"') mate choice. As part of my dissertation research, I have developed a novel model system for the study of postcopulatory ...
Localization mechanisms of small plant-dwelling insects
(University of Missouri--Columbia, 2015)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Movement is the basis of animal ecology, and understanding the causes and consequences of animal movement is a major goal of ecological research. ...