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Uprooting and snapping of trees: structural determinants and ecological consequences
The influence of mechanical and architectural properties of trees on growth rates, mortality rates, and relative probabilities of snapping and uprooting were examined on Barro Colorado Island,Expand
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General herbivore outbreak following an El Niño-related drought in a lowland Panamanian forest
A severe outbreak of Lepidoptera followed the 1997-98 El Ni ˜ no Southern Oscillation event, during which the climate in central Panama was unusually dry. The outbreak involved the larvae of at leastExpand
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Contributors The scenario Collembola Ephemeroptera Odonata Plecoptera Embiidina Orthoptera Dermaptera Isoptera Zoraptera Psocoptera Homoptera and heteroptera Thysanoptera Coleoptara StrepsipteraExpand
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Molecular evidence for a diverse green algal community growing in the hair of sloths and a specific association with Trichophilus welckeri (Chlorophyta, Ulvophyceae)
BackgroundSloths are slow-moving arboreal mammals inhabiting tropical rainforests in Central and South America. The six living species of sloths are occasionally reported to display a greenishExpand
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Foodplant and oviposition records for Panamanian Lycaenidae and Riodinidae
We present larval foodplant and female oviposition records for 15 Panamanian butterfly species in the Lycaenidae and Riodinidae. Many of these species feed on reproductive parts of plants, e.g.Expand
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Speciation in two neotropical butterflies: extending Haldane's rule
Anartia fatima and A. amathea form a hybrid zone in Panama where F1 and back–cross hybrids are found. Crosses were carried out to determine the nature of any reproductive isolation between these twoExpand
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Sloth hair: unanswered questions
o El pelo de los perezosos arboreos Bradypus y Choloepus difiere en forma y estructura del de todos los otros mamiferos y puede sel especializado para acomodar la algas unicelulares que crecen en 61.Expand
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Abstract Anartia fatima and Anartia amathea (Lepidoptera: Nymphalidae) are sister taxa whose ranges abut in a narrow hybrid zone in eastern Panama. At the center of the zone, hybrids are abundant,Expand
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Neotropical Butterflies of the Genus Anartia: Systematics, Life Histories and General Biology (Lepidoptera: Nymphalidae)
Butterflies of the genus Anartia Hiibner are among the most common and conspicuous diurnal Lepidoptera encountered in the New World tropics. While their abundance and ease of capture have made themExpand
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