Journal of the Georgia Entomology Society. Key Characteristics Seedlings have a single embryo leaf cotyledon ; plants have flower parts in multiples of 3 and parallel-veined leaves. Uses tolerance values to weight abundance in an estimate of overall pollution. Georgia Journal of Science The team acquires and develops new technology, develops and maintains national technical standards and references, and builds collaboration and partnerships that lead to cutting-edge technology support and training. Entomologica Scandinavica Supplement no. Smithsonian Contributions to Zoology. Feeding measures or trophic dynamics encompass functional feeding groups and provide information on the balance of feeding strategies food acquisition and morphology in the benthic assemblage. The Chironomidae Diptera of South Dakota.