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Terrestrial Isopods Of Minnesota, James E. Sargent Jan 1972

Terrestrial Isopods Of Minnesota, James E. Sargent

Journal of the Minnesota Academy of Science

Eight species of terrestrial isopods (sub-order Oniscoidea) were collected in Minnesota. Six of them had not been recorded previously. Observations on habitat, distribution, size and coloration were noted. An analytical key to the species within the state is included.

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The Summer Standing Crop, Growth And Distribution Of Chironomus Plumosus, In Lake Itasca, Minnesota, James C. Underhill, Gerald A. Cole Jan 1967

The Summer Standing Crop, Growth And Distribution Of Chironomus Plumosus, In Lake Itasca, Minnesota, James C. Underhill, Gerald A. Cole

Journal of the Minnesota Academy of Science

During the period 15 June to 3 September 1965, 626 Ekman dredge hauls were made in Lake Itasca, Minnesota. The numbers and weights of Chironomus plumosus L. at 6 m, 7 m, 8 m, Siefert's Hole (9.5 - l 0.4 m), and Peace Pipe Vista (11.5 - 13.7 m) depression were determined. In addition, the numbers and weights of several other benthic dipteran larvae, Cryptochironomus, Palpomyia, and Procladius, normal associates of C. plumosus, were determined. A loss of 98,407 larvae/ha/day occurred in the 6-9 m stratum during the 12 weeks. There was a decrease in numbers of larvae of 79.3% …

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A Preliminary Survey Of Insects Visiting Goldenrod In Itasca Park, Alice Endicott Apr 1943