Results 31 to 40 of about 740 (193)

Sistema de clasificación de las setas de crustáceos Stygocarididae y Patagonaspididae (Anaspidacea)

open access: yesActa Zoológica Lilloana, 2010
Se clasificaron las extensiones cuticulares de especies de las familias Stygocarididae Noodt, 1963, y Patagonaspididae Grosso y Peralta, 2002 (Anaspidacea), en base a observaciones con microscopía óptica y electrónica.
Marcela A. Peralta
doaj  

Genetic differentiation and adaptive evolution of buff‐tailed bumblebees in Asia

open access: yesInsect Science, EarlyView.
This study investigates the genetic differentiation and local adaptation of the buff‐tailed bumblebee (Bombus terrestris) across its European and Asian populations. Using whole‐genome resequencing, we identified distinct genetic differences between populations, with Asian B. terrestris representing a unique genetic resource.
Long Su   +14 more
wiley   +1 more source

Variación de la longitud de la seta y la refutación de Hedwigidium=Braunia (Hedwigiaceae, Bryopsida)

open access: yesActa Botanica Mexicana, 2021
Antecedentes y Objetivos: Tradicionalmente considerado monotípico, Hedwigidium fue recientemente propuesto idéntico a Braunia, porque “… some Braunia species have a seta as short as that of Hedwigidium”. Este trabajo ofrece datos y análisis para refutar
Efraín de Luna
doaj   +1 more source

The predatory behavior of ants: an impressive panoply of morphological adaptations

open access: yesInsect Science, EarlyView.
This review focuses on predation in ants, showing the wide diversity of cases from solitary foraging to group hunting tactics, as well as the evolution of mandible shape frequently adapted to capture specific prey. Although most ants are generalist feeders, finding their sugary substances directly on plants or indirectly via sap‐sucking insects, some ...
Alain Dejean   +6 more
wiley   +1 more source

Clave para los géneros más comunes de larvas de Ixodida (Acari:Ixodidae)

open access: yesAgronomía Costarricense, 2006
Se presenta una clave, a nivel de género, para larvas de garrapatas duras, utilizando caracteres de fácil reconocimiento: surco anal, setas posthypostomales, ojos, sensilla sagittiformia, festones, setas marginales y setas dorsales del tarso I.
Mario Vargas V.
doaj  

Morfologia dos estágios de Náuplios e Copepodito i de Perulernaea gamitanae thatcher & paredes, 1985 (Crustacea: Cyclopoida: Lernaeidae), parasita do Tambaqui Colossoma macropomum (cuvier, 1818), (Osteichthyes: Characidae), cultivados em laboratório(1) [PDF]

open access: yesActa Amazonica, 1999
Os estágios de náuplios e copepodito I de Perulernaea gamitanae Thatcher & Paredes, 1985 foram estudados a partir de cultura de ovos obtidos de fêmeas adultas, parasitas de tambaqui, Colossoma macropomum (Cuvier, 1818) (Osteichthyes: Characidae ...
Maria Linda Flora de Novaes BENETTON   +1 more
doaj   +1 more source

First Zoeal Stage of the Snapping Shrimp Alpheus Fabricius, 1798 (Caridea: Alpheidae): New Description of Alpheus bouvieri A. Milne‐Edwards, 1878 and Literature Review

open access: yesActa Zoologica, EarlyView.
ABSTRACT Based on adult morphological characters, the more than 300 species of Alpheus were divided into seven informal species groups, but some groups are not supported by molecular data. The aim here was to describe the zoea I of Alpheus bouvieri, and to do a review of the larval descriptions available in the literature, analysing whether the ...
Karmine Pasinatto   +2 more
wiley   +1 more source

APROVECHAMIENTO DE METABOLITOS NITROGENADOS DEL CULTIVO DE TILAPIA EN UN SISTEMA ACUAPÓNICO

open access: yesEcosistemas y Recursos Agropecuarios, 2015
En un ciclo de producción de tilapia, se realizó el cultivo de hongos setas, forrajes verdes y cucurbitáceas en un sistema acuapónico, con el objetivo de evaluar la eficiencia en la remoción y aprovechamiento de desechos nitro- genados.
ALEJANDRO CERVANTES-SANTIAGO   +2 more
doaj   +1 more source

Morphology of the First Zoeal Stage of the Shrimp Typton distinctus Chace, 1972: The Second for the Genus Typton O.G. Costa, 1844 After 100 Years

open access: yesActa Zoologica, EarlyView.
ABSTRACT The marine shrimp of the genus Typton are widely distributed, known to be associated with sessile organisms such as sponges. Information about this genus is limited, highlighting the scarcity of important features in its biology, including larval forms.
Matheus Sene   +2 more
wiley   +1 more source

Utilización de residuos lignocelulósicos provenientes de la producción de setas comestibles en la alimentación animal

open access: yesRevista de Producción Animal, 2022
Antecedentes: La utilización de hongos utilizando como materia prima residuos lignocelulósicos de baja digestibilidad ha mostrado ser parte importante del reciclado de productos y sus desechos.
Silvio José Martínez Sáez   +2 more
doaj  

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