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Food and ectoparasites of bats on the galapagos Islands

100%

Whitaker J. O., McCracken G. F.

Acta Chiropterologica

2001

tom 03

nr 1

The estimated volume of food (feces and stomach contents combined) from 11 red bats, Lasiurus (borealis) brachyotis, from the Galapagos Islands consisted of 86.8% Lepidoptera and included six different prey items. The diet of three hoary bats, L. cinereus villosissimus, consisted of 76.8% Lepidoptera and contained at least eight identifiable food taxa. Two species of ectoparasites were found on both bat species, a batfly Basilia ferruginia (Nycteribiidae), and a labidocarpid mite Olabidocarpus americanus. The macronyssid mite Steatonyssus furmani was found only on L. (b.) brachyotis, whereas two myobiid mites, Acanthophthirius lasiurus and Pteracarus completus, were found only on L. cinereus. None of the parasites had recognizably diverged from their mainland counterparts.

Dietary composition and habitat use in a desert insectivorous bat community in Israel

80%

Feldman R., Whitaker J. O., Yom-Tov Y.

Acta Chiropterologica

2000

tom 02

nr 1

Diet and habitat selection of several species of insectivorous bats were studied in the Dead Sea area, Israel. Significant differences in diet composition were found among the species studied. Long-eared bats (Plecotus austriacus and Nycteris thebaica) tended to feed on Lepidoptera, and N. thebaica also on Diptera; Asellia tridens and Rhinolophus clivosus on Coleoptera and Hymenoptera; Rhinolophus hipposideros on Lepidoptera and Diptera; Eptesicus bottae on Hymenoptera and Lepidoptera; Pipistrellus bodenheimeri and Pipistrellus kuhlii on Diptera and Lepidoptera; and Pipistrellus rueppellii on Diptera. Dietary niche breadth (B%v) was widest for P. bodenheimeri and narrowest for P. austriacus. There were significant species-related differences in habitat utilization. Tadarida teniotis and Rhinopoma hardwickei foraged almost exclusively in open areas; 'over water' habitat was preferred by P. rueppellii and utilized extensively also by P. bodenheimeri; 'near street lights' and 'edges of vegetation and cliffs' by P. kuhlii; 'edges of vegetation and cliffs' by P. bodenheimeri and E. bottae; and 'cluttered environment' by A. tridens, R. hipposideros, and R. clivosus. Community structure of these bats is discussed.

Ograniczanie wyników

2 Acta Chiropterologica

2 Whitaker J. O.

1 Feldman R.

1 McCracken G. F.

1 Yom-Tov Y.

1 2001

1 2000

Wyniki wyszukiwania

Food and ectoparasites of bats on the galapagos Islands

Dietary composition and habitat use in a desert insectivorous bat community in Israel