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Memoirs of the American Entomological Society no.32-33 (1979-1981)
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The genus Isoperla (Plecoptera) of western North America; holomorphology and systematics and a new stonefly genus Cascadoperla
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Type: Article
In: Memoirs of the American Entomological Society
Volume: 32
Date: 1979
Page Range: 1--120
Publication info: Philadelphia, American Entomological Society, 1916-
Revision of the milliped genus Sigmoria (Polydesmida: Xystodesmidae)
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By: Shelley, Rowland M
Type: Article
In: Memoirs of the American Entomological Society
Volume: 33
Date: 1981
Page Range: 1-139
Publication info: Philadelphia, American Entomological Society, 1916-