Results 51 to 60 of about 3,427 (296)
The Transantarctic genus Labena (Hymenoptera: Ichneumonidae: Labenini) in Chile [PDF]
Labena is a primitive genus known from the Neotropic, Nearctic, Neantarctic, and Australian biogeographic regions. It parasitizes larvae of wood boring beetles in dead twigs and smaller branches of hardwood trees and shrubs.
Porter, Charles C.
core
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri +8 more
wiley +1 more source
Tree canopy composition in the tropical mountain rainforest of los Tuxtlas, Mexico
We studied the arboreal composition of the tropical mountain rainforest’s upper canopy in the San Martín Pajapán volcano, Tatahuicapan, Veracruz, México (18°26’ N; 94°17’ W).
Mario Vázquez-Torres, Miren Onaindia
doaj
Stenomicra (Diptera: Opomyzoidea) en Argentina, con información sobre la biología del género [PDF]
This is the first literature record of the genus Stenomicra Coquillett (Diptera: Periscelididae) from South America (Neotropical Region). New information on the biological cycle of Stenomicra species in the wild is provided, and four species of the genus
Campos, Raul Ernesto +2 more
core +1 more source
Abstract Macaws are renowned for processing dry, mechanically resistant fruits, yet the species‐level anatomical and functional correlates of this performance remain incompletely resolved. We examined the feeding apparatus of the Blue‐and‐yellow Macaw (Ara ararauna) using an integrated approach that combines osteology, myology, and bite‐force estimates
Sérgio R. Posso +2 more
wiley +1 more source
Crossoliparis - a new genus of Malaxidinae (Orchidaceae, Malaxideae), from neotropic
A new genus Crossoliparis of the subtribe Malaxidinae (Orchidaceae), from tropical area of Central America is proposed. The new genus type species is described and illustrated.
Hanna B. Margońska
doaj +1 more source
Abstract Knowing about species interactions is essential for ecological research, conservation efforts, resource management, and maintaining healthy ecosystems, but many of these, such as reports of predation, may not always be published in easily located resources—if they are published at all.
Matthijs P. van den Burg, Hinrich Kaiser
wiley +1 more source
A ocorrência de Leucophanaceae, representada nos neotrópicos pela espécie Leucophanes molleri C. Müll., é registrada no estado do Pará. No Brasil, a espécie apresenta distribuição disjunta, sendo encontrada apenas nas regiões norte e sudeste.
Regina C. L Lisboa +1 more
doaj +1 more source
Aspects of genetic and morphological variation in selected new world land birds [PDF]
Thesis (M.S.) University of Alaska Fairbanks, 2000The objective of this thesis is to examine variation in certain New World land birds, focusing on morphological difference at the intraspecific level and genetic differences at the intra- and ...
Weicker, Jacqueline Joyce
core
Long‐term trends in parasite diversity and infection levels: approaches and patterns
ABSTRACT Parasites exist in every ecosystem, affecting nearly all organisms and playing a complex role in human societies. On the one hand, they contribute substantially to biodiversity and support ecosystem stability by performing essential ecological functions.
Cyril Hammoud +8 more
wiley +1 more source

