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1 March 2003 FOOD HABITS OF NYCTINOMOPS MACROTIS AT A MATERNITY ROOST IN NEW MEXICO, AS INDICATED BY ANALYSIS OF GUANO
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Abstract

We examined 56 fecal pellets from under a maternity colony of big free-tailed bats (Nyctinomops macrotis) in the Jemez Mountains of northern New Mexico. The most important food items, listed in order of decreasing percent volume, were Cicadellidae, leafhoppers (26.7% volume, 58.9% frequency); Ichneumonidae, Ichneumon wasps (19.3% volume, 35.7% frequency); and Lepidoptera, moths (17.2% volume, 82.1% frequency). Overall, the most important orders as prey consumed, listed by decreasing percent volume, were Homoptera (27.6% volume, 62.5% frequency), Hymenoptera (19.5% volume, 37.5% frequency), Lepidoptera (17.2% volume, 82.1% frequency), Hemiptera (11.7% volume, 37.5% frequency), and Diptera (10.6% volume, 50.0% frequency). Our study documents an unusually varied diet, as previous studies indicated that these bats fed almost exclusively on moths.

Dale W. Sparks and Ernest W. Valdez "FOOD HABITS OF NYCTINOMOPS MACROTIS AT A MATERNITY ROOST IN NEW MEXICO, AS INDICATED BY ANALYSIS OF GUANO," The Southwestern Naturalist 48(1), 132-135, (1 March 2003). https://doi.org/10.1894/0038-4909(2003)048<0132:FHONMA>2.0.CO;2
Accepted: 19 February 2002; Published: 1 March 2003
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