Search results for "Animal Ecology"

Pseudonapomyza mediterranean. sp. (Diptera: Agromyzidae) from Salt Marshes in Spain

2010

ABSTRACT: Description, ecological aspects of biology and systematic position of Pseudonapomyza mediterranea, a new species from Spain (“Lagunas de la Mata-Torrevieja” Natural Park) are given.

The carabid Pterostichus melanarius uses chemical cues for opportunistic predation and saprophagy but not for finding healthy prey

2017

The sentinel prey method can quantify predation pressure in various habitats. Real prey is assumed to more realistically mimic the predator experience but the predator can rarely be identified. Artificial prey made of plasticine may lack real chemical cues, but provides information about predator identity. However, the relationship between predation pressure registered by artificial versus real prey is not clear. We tested the relative attractiveness of artificial caterpillars, and intact, wounded, or dead larvae of the cabbage moth (Mamestra brassicae) for the carabid predator Pterostichus melanarius Illiger (Coleoptera: Carabidae). P. melanarius adults were attracted to dead caterpillars …

Mind the gap: Treefalls as drivers of parental trade-offs

2015

Abstract Tree‐fall gaps are small‐scale disturbances whose formation, colonization, and role in forest dynamics are well documented, but whose effects on animal ecology are still greatly overlooked, except for studies comparing species richness of gaps 6+ months old to that in the closed canopy. Other factors associated with the invasion of fresh tree‐fall gaps such as animal breeding adaptations have been largely neglected. I studied the immediate (within hours and days) arrival of the poison frog Dendrobates tinctorius in new tree‐fall gaps to examine the dynamics of their invasion in relation to tadpole rearing. I found that rearing sites are occupied sooner and tadpoles deposited at hig…

Supplementary data to: Context-dependent coloration of prey and predator decision making in contrasting light environments

2021

A big question in behavioural ecology is what drives diversity of colour signals. The dataset covers the testing of the context-dependent predator selection on prey coloration. In the first experiment, detectability of artificial visual stimuli to blue tits (Cyanistes caeruleus) was tested by manipulating stimulus luminance and chromatic context of the background. In the second experiment, the effect of two light environments on the survival of aposematic, colour polymorphic wood tiger moth (Arctia plantaginis) was tested. For detailed description of the material, methods, and results of the study, see the article.

Multiple modalities in insect warning displays have additive effects against wild avian predators

2019

Allocation to different components of defence has been suggested as an explanation for the existence of multiple aposematic morphs in a single population. We tested whether there are trade-offs between warning colouration and chemical defence or whether these have an additive effect when combined, using blue tits (Cyanistes caeruleus) as predators and the polymorphic wood tiger moth (Arctia plantaginis) as prey. We used artificial edible models (with and without the moths’ defensive fluids) with paper wings whose colour and pattern properties matched those of real moths. When the models were presented sans defensive fluids or when the fluids were presented without colour cues, we detected n…

Zooloģijas muzeja raksti [Zooloģijas muzeja biļetens], Nr. 1

1967

Zooloģijas muzeja raksti, Nr. 13 Invertebrata

1975

Zooloģijas muzeja raksti, Nr. 3 Invertebrata

1968

Zooloģijas muzeja raksti, Nr. 7 Putni, parazitoloģija, metodika

1971

Охрана, экология и этология животных

1986

В сборнике представлены материалы по фаунистическому составу, рас­пространению и экологии редких видов животных, а также видов, имеющих хозяйственное значение, даются рекомендации по увели­чению численности редких животных.