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Irregularly published technical series. This volume consists of two issues: 37(1), entitled "Part XIV: Subgenus Onagrandrena" and 37(2), entitled "Part XV: Subgenus Hesperandrena" Volume 37(2) Abstract: This work reports on a study of 1,200 specimens segregated into 9 species, 4 of which are new to science. One name is relegated to synonymy. The relationships within the subgenus and with other subgenera of Andrena are briefly discussed.
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This title is a periodical published by the Illinois EPA Bureau of Water providing relevant information to professionals in the water/wastewater/drinking water treatment fields.
This title is a periodical published by the Illinois EPA Bureau of Water providing relevant information to professionals in the water/wastewater/drinking water treatment fields.
This title is a periodical published by the Illinois EPA Bureau of Water providing relevant information to professionals in the water/wastewater/drinking water treatment fields.
This title is a periodical published by the Illinois EPA Bureau of Water providing relevant information to professionals in the water/wastewater/drinking water treatment fields.
This title is a periodical published by the Illinois EPA Bureau of Water providing relevant information to professionals in the water/wastewater/drinking water treatment fields.
This title is a periodical published by the Illinois EPA Bureau of Water providing relevant information to professionals in the water/wastewater/drinking water treatment fields.