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Food of the Evening Bat Nycticeius humeralis from Indiana
John O. Whitaker, Jr. and Phil Clem
The American Midland Naturalist
Vol. 127, No. 1 (Jan., 1992), pp. 211-214
Published by: The University of Notre Dame
Stable URL: http://www.jstor.org/stable/2426339
Page Count: 4
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The major foods of evening bats Nycticeius humeralis in Clay County, Indiana, were beetles, moths and leafhoppers, comprising 60, 19.7 and 7.0% of the total volume of food, respectively. The species eaten in greatest quantity (14.2% total volume) was the pest, Diabrotica undecimpunctata, the spotted cucumber beetle (its larva is the southern corn rootworm). The carabid beetle, Calathus sp., was also important, and the two most important cicadellids were Draeculacephala antica and Paraphlepsius irroratus. Stinkbugs (Pentatomidae) and chinchbugs (Lygaeidae) were other important foods. Bats in this colony ate ca. 6.3 million insects per year.
The American Midland Naturalist © 1992 The University of Notre Dame