| mites of the genus neharpyrhynchus fain (acariformes, harpirhynchidae) from neotropical birds. | three new species of parasitic mites of the genus neharpyrhynchus fain (acariformes, harpirhynchidae) are described from neotropical birds: neharpyrhynchus chlorospingussp. n. from chlorospingus pileatus (passeriformes, emberizidae) from costa rica, neharpyrhynchus mironovisp. n. from dacnys cayana (passeriformes, thraupidae) and neharpyrhynchus tangarasp. n. from tangara cayana (thraupidae) both from brazil. neharpyrhynchus trochilinus (fain) is recorded from 3 new host species of the family tr ... | 2011 | 21594083 |
| effect of artificial feeders on pollen loads of the hummingbirds of cerro de la muerte, costa rica. | although sugar-water feeders are commonly used by enthusiasts to attract hummingbirds, little is known about how they affect hummingbird behavior and flower use. we studied the highland hummingbird assemblage of cerro de la muerte, costa rica, both at a site with permanent feeders (la georgina restaurant) and further from it. we examined how feeder use and monopolization affected seasonal changes in pollen loads during four sampling periods, including dry and wet seasons, from 2003-2005. we expe ... | 2012 | 22458209 |