Results 101 to 110 of about 5,239 (254)

Crushing and Cutting: Shape Variation and Morphological Integration Between the Claws of Two Swimming Crab Species (Brachyura: Portunidae)

open access: yesActa Zoologica, EarlyView.
ABSTRACT This study investigated shape variations and morphological integration between the components of crusher and cutter claws in two species of swimming crabs, Callinectes danae and Callinectes ornatus. The propodi and dactyli of the claws were analysed in males and females of both species, using geometric morphometric techniques to identify ...
Julia Tadiotto   +4 more
wiley   +1 more source

Controllable Intrinsic Surface Pattern Generation Using Slime Mold Simulations

open access: yesComputer Graphics Forum, EarlyView.
Abstract Surface‐based pattern simulations have proven valuable for texture design and scientific visualization, but existing methods face several limitations. Most simulations either target a narrow range of pattern types (e.g. spots, branching) or support a broad range of patterns at the cost of time‐consuming parameter tuning.
Jeffrey Layton   +2 more
wiley   +1 more source

ACTIVITY OF LEAF-CUTTING ANT Atta sexdens piriventris SUBMITED TO HIGH DILUTION HOMEOPATHIC PREPARATIONS

open access: yesTropical and Subtropical Agroecosystems, 2013
The effect of high dilution preparations on the movement and foraging activities of Atta sexdens piriventris was evaluated. Five colonies of ants were located on each of the five experimental areas using a randomized complete block design.
Alexandre Giesel   +3 more
doaj  

Curating the Unexpected: Stéphane Thidet's “Weeping Stones” Transformed During COVID‐19

open access: yesCurator: The Museum Journal, EarlyView.
ABSTRACT A monumental work by French artist Stéphane Thidet became the nexus for an unexpected interaction between an art installation and wildlife. “Weeping Stones,” which presents a desert‐like world, devoid of greenery, was featured in an exhibition we co‐curated at the Genia Schreiber University Gallery, Tel Aviv, Israel, in January 2020.
Tamar Mayer   +3 more
wiley   +1 more source

Foraging Trails of Leaf-Cutting Ants

open access: yes, 1978
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Regulation and specificity of antifungal metapleural gland secretion in leaf-cutting ants

open access: yes, 2012
Ants have paired metapleural glands (MGs) to produce secretions for prophylactic hygiene. These exocrine glands are particularly well developed in leaf-cutting ants, but whether the ants can actively regulate MG secretion is unknown.
Jacobus J. Boomsma   +7 more
core   +1 more source

Host plant use is driven by microclimate not nutritional quality in a grassland butterfly

open access: yesEcological Entomology, EarlyView.
Small Copper butterflies (Lycaena phlaeas) choose to lay eggs on host plants growing in warmer microclimates, despite lower nitrogen content. Bare ground created by European Moles increases host plant temperatures and weakens the negative relationship between nitrogen content and microclimatic warmth.
William B. V. Langdon   +2 more
wiley   +1 more source

Biocontrol of leucoagaricus gongylophorus of leaf-cutting ants with the mycoparasitic agent trichoderma koningiopsis [PDF]

open access: yes, 2016
Leaf-cutting ants are one of the main agricultural and agroforestry pests in the Neotropic region. The essential food source of these ants is Leucoagaricus gongylophorus.
Bich, Gustavo Angel   +3 more
core   +1 more source

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