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Use of stable isotopes to assess the intraspecific foraging niche of males and female colour morphs of the damselfly Enallagma hageni. Ecological Entomology.. 2013.
A stable isotope investigation into the feeding behavior of Brychius hungerfordi Spangler (Coleoptera: Haliplidae), a federally endangered crawling water beetle. The Coleopterists Bulletin. 63(1):71-83.. 2009.
Size estimate of a local population of Brychius hungerfordi (Coleoptera: Haliplidae). Great Lakes Entomologist. 35(1):23-26.. 2002.
New distribution record for the endangered crawling water beetle Brychius hungerfordi (Coleoptera: Haliplidae) and notes on seasonal abundance and food preferences. Great Lakes Entomologist. 33:165-168.. 2000.
Cedarville Bay water quality survey. :28pp... 1995.