Publications

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eimeria from bats of the world. ii. a new species in tadarida femorosacca from sonora, mexico.between 1979 and 1980, 104 bats representing 13 species in 4 families were collected in california and new mexico, u.s.a., and baja california and sonora, mexico, and were examined for coccidia; only 3 (3%) had oocysts in their feces. bats examined and their infection rates were: molossidae: 0 of 12 tadarida brasiliensis, 1 of 18 (6%) t. femorosacca; natalidae: 0 of 1 natalus stramineus; phyllostomatidae: 0 of 1 choeronycteris mexicana, 0 of 2 leptonycteris sanborni, 0 of 1 macrotus californicus ...19883357122
reproductive biology and the process of domestication of the columnar cactus stenocereus stellatus in central mexico.pollination biology, breeding system, and floral phenology of the columnar cactus stenocereus stellatus were studied in wild, wild managed in situ and cultivated populations of central mexico, in order to examine whether these aspects have been modified under domestication and whether they determine reproductive barriers between wild and manipulated individuals. individuals of both wild and manipulated populations are self-incompatible, indicating that artificial selection has not modified the b ...199910205073
pollination ecology of agave macroacantha (agavaceae) in a mexican tropical desert. ii. the role of pollinators.we did a series of observational studies and manipulative experiments on the guild of nocturnal visitors of agave macroacantha, including (1) a description of the hourly patterns of visits by moths and bats, (2) an evaluation of the relative contribution of bats and moths to flowering success, and (3) an evaluation of the pollination efficiency of the different bat species. scapes exposed to moths but excluded to bats yielded approximately 50% fewer fruits than those exposed to both pollinator g ...200010898779
a new species of the genus eudusbabekia (acari: prostigmata: myobiidae) on choeronycteris mexicana (chiroptera: phyllostomidae) in central mexico.eudutsbabekia choeronycteris new species was found on the phyllostomid bat, choeronycteris mexicana tschudi, in the central part of mexico. the female, male, and larva are described and illustrated.200415311448
effectiveness of bats as pollinators of stenocereus stellatus (cactaceae) in wild, managed in situ, and cultivated populations in la mixteca baja, central mexico.stenocereus stellatus is an endemic, self-incompatible, columnar cactus found in central mexico where many of its wild populations have been fragmented. as an economically important species of fruit-producing cactus, s. stellatus occurs in wild, managed in situ, and cultivated populations. the objectives of this study were to determine the effective pollinators of s. stellatus, to compare pollinator visits and reproductive parameters among the three types of populations, and to determine if nect ...200621642113
reproductive ecology of five sympatric agave littaea (agavaceae) species in central mexico.we studied a community of agave species that coexist in the metztitlán canyon in central mexico. during 2001, 2002, and 2003, we analyzed floral traits and rosette allometry in five species belonging to the subgenus littaea: a. celsii albicans, a. xylonacantha, a. difformis, a. striata, and agave sp.; and observed floral visitors for each species. we report the first evidence of bat visitation in the subgenus littaea and find that bats (leptonycteris curasoae, choeronycteris mexicana, and glosso ...200521646153
a physiological perspective on nectar-feeding adaptation in phyllostomid bats.nectar-feeding animals increase their food intake when nectar sugar concentration decreases. however, some species present physiological constraints that limit their energy intake when nectar is diluted. we hypothesized that gut capacities of bats affect the ability of these animals to acquire and store energy, modifying how they use food resources in the field. we measured the food intake and changes in body mass of the members of an assemblage of nectar-feeding bats (choeronycteris mexicana, l ...201121897083
a new species of the genus periglischrus (acari: mesostigmata: spinturnicidae) on choeronycteris mexicana (chiroptera: phyllostomidae) in central mexico.periglischrus leptosternus new species was found on the bat choeronycteris mexicana in the central part of mexico. the female, male, and protonymph are described and illustrated.200111296816
energetic cost of hovering flight in nectar-feeding bats (phyllostomidae: glossophaginae) and its scaling in moths, birds and bats.three groups of specialist nectar-feeders covering a continuous size range from insects, birds and bats have evolved the ability for hovering flight. among birds and bats these groups generally comprise small species, suggesting a relationship between hovering ability and size. in this study we established the scaling relationship of hovering power with body mass for nectar-feeding glossophagine bats (phyllostomidae). employing both standard and fast-response respirometry, we determined rates of ...199910093905
mesquite bugs, other insects, and a bat in the diet of pallid bats in southeastern arizona.the pallid bat (antrozous pallidus) is a species of western north america, inhabiting ecoregions ranging from desert to oak and pine forest. they are primarily insectivorous predators on large arthropods that occasionally take small vertebrate prey, and are at least seasonally omnivorous in certain parts of their geographic range where they take nectar from cactus flowers and eat cactus fruit pulp and seeds. until recently, mesquite bugs were primarily tropical-subtropical inhabitants of mexico ...201830533321
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