Export 7 results:Author Title Type [ Year]
Filters: Author is Williams, Roger W. [Clear All Filters]
Observations on some Heleidae (Diptera) of the psammolittoral zone of Douglas Lake, Michigan. Entomological News. 66(4):93-97.. 1955.
Observations on the bionomics of some Culicoides of Cheboygan County, Michigan, (Diptera, Heleidae). Bulletin of the Brooklyn Entomological Society. 50(5):113-120.. 1955.
Two new species of Culicoides from Chegoygan County, Michigan (Diptera, Heleidae). Proceedings of the Entomological Society of Washington. 57(6):269-274.. 1955.
Studies on the filth flies at the University of Michigan Biological Station, Douglas Lake, Michigan, summer l954. The American Midlands Naturalist. 55(1):126-130.. 1956.
Two new species of Alluaudomyia from Cheboygan County Michigan, with a note on the synonymy of para and downesi. Proceedings of the Entomological Society of Washington. 58(6):327-331.. 1956.
A new and simple method for the isolation of fresh-water invertebrates from soil samples. Ecology. 41:573-574.. 1960.
Quantitative studies on populations of biting midge larvae in saturated soil from two types of Michigan bogs (Diptera: Ceratopogonidae). Journal of Parasitology. 46:565-566.. 1960.