Bryan R. Helm, Ph.D.

Affiliations: 
Ecology and Evolutionary Biology University of Arizona, Tucson, AZ 
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"Bryan Helm"

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Goggy Davidowitz grad student 2013 University of Arizona
 (An ontogenetic perspective on the timing of maturation in insects with special consideration of the role of physical and resource thresholds.)
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Publications

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Helm BR, Rinehart JP, Yocum GD, et al. (2017) Metamorphosis is induced by food absence rather than a critical weight in the solitary bee, Osmia lignaria. Proceedings of the National Academy of Sciences of the United States of America
Helm BR, Davidowitz G. (2015) Evidence of a hemolymph-born factor that induces onset of maturation in Manduca sexta larvae. Journal of Insect Physiology. 78: 78-86
Helm BR, Davidowitz G. (2015) Evidence of a hemolymph-born factor that induces onset of maturation in Manduca sexta larvae Journal of Insect Physiology. 78: 78-86
Davidowitz G, Helm BR. (2015) A Common Framework for the Regulation of Growth and Size: Stepping Away from the Trees to See the Forest Integrative Organismal Biology. 207-217
Helm BR, Davidowitz G. (2013) Mass and volume growth of an insect tracheal system within a single instar. The Journal of Experimental Biology. 216: 4703-11
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