نتایج جستجو برای: dung beetles

تعداد نتایج: 9818  

2008
Lucky M Khanyile Rodney Hull Monde Ntwasa

UNLABELLED The dung beetle E. intermedius, a member of the highly diverse order, Coleoptera has immense economic benefits. It was estimated that insect ecological services in the United States amounted to some $60 billion in 2006 with dung beetles being major contributors. E. intermedius may be endowed with a robust immune system given its microbe-rich habitat. Dung beetles live on juice and mi...

Journal: :Current Biology 2016
Thomas S. Collett Antoine Wystrach Paul Graham

A study of dung beetles rolling dung balls to safety reveals unexpected facets of the beetle's acquisition and use of celestial information for keeping to a straight path.

2013
Claudia Tocco Massimiliano Probo Michele Lonati Giampiero Lombardi Matteo Negro Beatrice Nervo Antonio Rolando Claudia Palestrini

In recent decades, pastoral abandonment has produced profound ecological changes in the Alps. In particular, the reduction in grazing has led to extensive shrub encroachment of semi-natural grasslands, which may represent a threat to open habitat biodiversity. To reverse shrub encroachment, we assessed short-term effects of two different pastoral practices on vegetation and dung beetles (Coleop...

Journal: :Journal of theoretical biology 2012
Heather A Barker Mark Broom Jan Rychtář

Dung beetles Onthophagus taurus lay their eggs in brood balls within dung pats. The dung that is used must be sufficiently fresh, and so beetles must keep moving from pat to pat to find fresh dung. If another beetle finds a brood ball it will usually eat the egg inside and lay its own egg in the brood ball instead of constructing its own ball. Thus, beetles will often stay near their eggs to gu...

2017

Insecticide treatment of cattle is an important method of tsetse control. However, insecticides applied to cattle have been shown to contaminate dung. This has a significant impact on insects using the dung as a resource, e.g. dung beetles. This reduces the recycling of dung and has a negative impact on productivity of pasture. However, applications of insecticide restricted to only the legs an...

2017

Insecticide treatment of cattle is an important method of tsetse control. However, insecticides applied to cattle have been shown to contaminate dung. This has a significant impact on insects using the dung as a resource, e.g. dung beetles. This reduces the recycling of dung and has a negative impact on productivity of pasture. However, applications of insecticide restricted to only the legs an...

Journal: :The Journal of experimental biology 2010
Laurent Dormont Pierre Jay-Robert Jean-Marie Bessière Sylvie Rapior Jean-Pierre Lumaret

The effects of insect larval diet on adult olfactory responses to host-plant or food volatiles are still debated. The induction of adult host preferences has been studied in insects with diverse ecologies, including parasitoids, flower-visitors and phytophagous species. We investigated this question for the first time in a coprophagous insect species. Larvae of the French scarab dung beetle Agr...

2015
Sergei Tarasov François Génier

Scarabaeine dung beetles are the dominant dung feeding group of insects and are widely used as model organisms in conservation, ecology and developmental biology. Due to the conflicts among 13 recently published phylogenies dealing with the higher-level relationships of dung beetles, the phylogeny of this lineage remains largely unresolved. In this study, we conduct rigorous phylogenetic analys...

2017

Insecticide treatment of cattle is an important method of tsetse control. However, insecticides applied to cattle have been shown to contaminate dung. This has a significant impact on insects using the dung as a resource, e.g. dung beetles. This reduces the recycling of dung and has a negative impact on productivity of pasture. However, applications of insecticide restricted to only the legs an...

2017

Insecticide treatment of cattle is an important method of tsetse control. However, insecticides applied to cattle have been shown to contaminate dung. This has a significant impact on insects using the dung as a resource, e.g. dung beetles. This reduces the recycling of dung and has a negative impact on productivity of pasture. However, applications of insecticide restricted to only the legs an...

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