Contextualized niche shifts upon independent invasions by the dung beetle Onthophagus taurus
نویسندگان
چکیده
منابع مشابه
Male morph predicts investment in larval immune function in the dung beetle, Onthophagus taurus
Investment in immunity is costly, so that resource-based trade-offs between immunity and sexually selected ornaments might be expected. The amount of resources that an individual can invest in each trait will be limited by the total resources available to them. It would therefore be informative to investigate how investment in immune function changes during growth or production of the sexual tr...
متن کاملFood availability controls the onset of metamorphosis in the dung beetle Onthophagus taurus (Coleoptera: Scarabaeidae)
In nature, larvae of the dung beetle Onthophagus taurus (Schreber 1759) are confronted with signi®cant variation in the availability of food without the option of locating new resources. Here we explore how variation in feeding conditions during the ®nal larval instar affects larval growth and the timing of pupation. We found that larvae respond to food deprivation with a reduction in the lengt...
متن کاملIntralocus tactical conflict: genetic correlations between fighters and sneakers of the dung beetle Onthophagus taurus.
Males and females differ in their phenotypic optima for many traits, and as the majority of genes are expressed in both sexes, some alleles can be beneficial to one sex but harmful to the other (intralocus sexual conflict; ISC). ISC theory has recently been extended to intrasexual dimorphisms, where certain alleles may have opposite effects on the fitness of males of different morphs that emplo...
متن کاملHormonal control of male horn length dimorphism in the dung beetle Onthophagus taurus (Coleoptera: Scarabaeidae).
Male dung beetles (Onthophagus taurus) facultatively produce a pair of horns that extend from the base of the head: males growing larger than a threshold body size develop long horns, whereas males that do not achieve this size grow only rudimentary horns or no horns at all. Here we characterize the postembryonic development of these beetles, and begin to explore the hormonal regulation of horn...
متن کاملBrood Ball-Mediated Transmission of Microbiome Members in the Dung Beetle, Onthophagus taurus (Coleoptera: Scarabaeidae)
Insects feeding on plant sap, blood, and other nutritionally incomplete diets are typically associated with mutualistic bacteria that supplement missing nutrients. Herbivorous mammal dung contains more than 86% cellulose and lacks amino acids essential for insect development and reproduction. Yet one of the most ecologically necessary and evolutionarily successful groups of beetles, the dung be...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Biological Invasions
سال: 2016
ISSN: 1387-3547,1573-1464
DOI: 10.1007/s10530-016-1204-4