Great Lakes description

Description Adults black, stout-bodied. A" insects with transparent wings. Larvae flattened, white, legless maggots with brown heads. Found in northern and eastern United States, west to Great Lakes states. Related species in Canada. 

This database contains toxicological data on over 850 chemicals of particular interest to the United States Great Lakes basin. Each record provides descriptive data on up to 23 topic areas, including physical and chemical properties, toxicity, and environmental fate. Produced by the Michigan Department of Natural Resources and the Ontario Ministry of the Environment. Fully evaluated and referenced data. (CCINFOline contained in CCINFOdisc CHEMpendium series from CCOHS) Chemical Safety Newsbase (CSNB) ... 

Description Body fusiform, streamlined, laterally compressed, usually 18 to 24 in. (457 to 610 mm) in length and 8 to 12 lb in weight as marine adults and 10.8 to 25.8 in. (279 to 656 mm) fork length in Great Lakes freshwater populations body depth moderate, greater in breeding males. 

See US EPA description of the decision by Great Lakes Chemical Corporation http //www.epa.gov/oppt/ pbde/pubs/qanda.htm (accessed August 3,2006). 

Field (1835) gives this as a synonym for brown madder, also calling it intense madder brown and Field s russet He furthermore gives a description of Marrone lake as a madder preparation of great depth, transparency and durabUity (cf. Carlyle, 2001). 

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