Recently added articles from The American Midland Naturalist:
Parasitism of Mussel Gills by Dragonfly Nymphs
Jul 01, 2009; ... ABSTRACT. Predators of unionoid mussels are generally identified as fishes or aquatic mammals. During a mark and recapture study of the critically endangered mussel Popenaias popeii, we discovered a nymph of the dragonfly Gomphus militaris eating the gills of a gravid mussel; larvae and ...
The Function of Multiple Mating by Female Promethea Moths, Callosamia promethea (Drury) (Lepidoptera: Saturniidae)
Jul 01, 2009; ... ABSTRACT. Promethea (Callosamia promethea) and tulip tree silk moths (C. angulifera) were compared under semi-natural conditions for the presence of polyandry. Promethea were polyandrous, the first documentation for a saturniid moth, whereas tulip tree moths were monandrous. Experiments ...
Abundance of an Herbivorous Beetle: Factors Affecting Dispersal and Local Reproduction
Jul 01, 2009; ... ABSTRACT. A current challenge for ecologists is identifying the relative effect of factors affecting abundance in spatially segregated populations. I investigated the effects of variables affecting dispersal (current patch size, interpatch distance and patch quality) and reproduction ...
Abundance and Habitat Associations of Washington Ground Squirrels in the Columbian Basin, Oregon
Jul 01, 2009; ... ABSTRACT. The Washington ground squirrel (Urocitellus washingtoni) is listed as threatened in Oregon and is a species of special concern in Washington. We investigated abundance and habitat selection of the species on the Boardman Bombing Range, Morrow County, Oregon during 1996-1997 ....
Prey Consumed by Eight Species of Insectivorous Bats from Southern Illinois
Jul 01, 2009; ... ABSTRACT. We collected data on the diet of eight species of insectivorous bats (Chiroptera, Vespertilionidae): big brown bats (Eptesicus fuscus), red bats (Lasiurus borealis), evening bats (Nycticeius humeralis), northern myotis (Myotis septentrionalis), little brown myotis (M ....