Results 1 to 10 of about 82 (78)
Testes mass, but not sperm length, increases with higher levels of polyandry in an ancient sex model. [PDF]
PLoS ONE, 2014 There is strong evidence that polyandrous taxa have evolved relatively larger testes than monogamous relatives. Sperm size may either increase or decrease across species with the risk or intensity of sperm competition.
David E Vrech +3 more
doaj +2 more sources
A checklist of the scorpions of Ecuador (Arachnida: Scorpiones), with notes on the distribution and medical significance of some species [PDF]
Journal of Venomous Animals and Toxins including Tropical Diseases, 2015 Ecuador harbors one of the most diverse Neotropical scorpion faunas, hereby updated to 47 species contained within eight genera and five families, which inhabits the “Costa” (n= 17), “Sierra” (n= 34), “Oriente” (n= 16) and “Insular” (n= 2 ...
Gabriel Brito, Adolfo Borges
doaj +2 more sources
Gayana, 2016 New data about several aspects of the biology of scorpions of genus Brachistosternus of the Atacama Desert are provided. Predatory techniques on tenebrionid larvae, and large spiders in their burrows are described, as well as the method used to ...
Andrés A. Ojanguren-Affilastro +3 more
exaly +3 more sources
Description of Brachistosternus pehuenche sp. nov. (Scorpiones, Bothriuridae), a new scorpion species from the upper Maule Valley, in the southern Chilean Andes [PDF]
Zoosystematics and EvolutionBrachistosternus pehuenche sp. nov. (Scorpiones, Bothriuridae) is described from the Mauline Andean forests of the northern Chilean Patagonia, located within the upper basin of the Maule Valley.
Fermín M. Alfaro, Jaime Pizarro-Araya
exaly +4 more sources
Revista Chilena de Entomología, 2021 Se registra el primer caso de depredación intra-gremio de Sicarius thomisoides sobre dos arácnidos de ambientes desérticos de Chile: el escorpión Brachistosternus mattoni y el solífugo Pseudocleobis sp. Se describen las circunstancias de la interacción y
Andrés Taucare-Ríos, Hernán A. Iuri
doaj +1 more source
Biological Reviews, Volume 98, Issue 3, Page 942-981, June 2023., 2023 ABSTRACT Acoustic and substrate‐borne vibrations are among the most widely used signalling modalities in animals. Arthropods display a staggering diversity of vibroacoustic organs generating acoustic sound and/or substrate‐borne vibrations, and are fundamental to our broader understanding of the evolution of animal signalling.
Leonidas‐Romanos Davranoglou +2 more
wiley +1 more source
Journal of Morphology, Volume 282, Issue 6, Page 833-846, June 2021., 2021 Spiral segmentation or helicomery was first described in annelid and arthropod body segments. However, corresponding patterns occur in arthropod appendages and other bilaterians with serially arranged body parts, such as tapeworms, nematodes, vertebrates, and probably chitons.
Gerhard Scholtz
wiley +1 more source
Sobre la identidad taxonómica de Brachistosternus peruvianus Piza, 1974 (Scorpiones: Bothriuridae)
Revista Peruana de Biología, 2011 Se establece la verdadera identidad de Brachistosternus peruvianus Piza, 1974, un controversial escorpión an-dino, previamente confundido con Brachistosternus andinus Chamberlin, 1916.
José A. Ochoa
doaj +1 more source
Revista Peruana de Biología, 2013 Se describe Brachistosternus ninapo, nueva especie de Bothriuridae de los Andes occidentales del sur del Perú (2900 a 4050 m). Esta especie pertenece al subgénero Brachistosternus (Leptosternus) Maury.
José Antonio Ochoa
doaj +1 more source
Nueva especie de Brachistosternus Pocock (Scorpiones: Bothriuridae) del sur del Per˙
Revista Peruana de Biología, 2013 Se describe Brachistosternus turpuq, nueva especie de escorpiÛn Bothriuridae del desierto costero en el sur del Perú, colectada en los cerros alrededores de MejÌa (Departamento de Arequipa).
José Antonio Ochoa
doaj +1 more source