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Long-term assessment reveals the hidden and hiding effects of experimental stress on ant colonies
TLDR
It is suggested that in pluriannual species, it is important to evaluate the effects of the stress covering at least an entire colonial season, considering that manipulation can interact with pathogen exposure in determining queen mortality, immunological experiments on social insects should carefully take into account the potentially confounding effect of any experimentally induced stresses.
How long is 3 km for a butterfly? Ecological constraints and functional traits explain high mitochondrial genetic diversity between Sicily and the Italian Peninsula.
TLDR
The mitochondrial COI gene of 84 butterfly species out of 90 documented in Sicily was analysed and compared them with populations from the neighbouring southern Italian Peninsula and from the entire Palaearctic region to understand the factors limiting dispersal.
A sunny spot: habitat management through vegetation cuts increases oviposition in abandoned fields in an endemic Mediterranean butterfly
The abandonment of agricultural land and the afforestation of grassland habitats represent major threats for butterflies in European and Mediterranean areas. A crucial goal for Lepidoptera
Trans-generational immunization in the acrobat ant Crematogaster scutellaris
TLDR
It is proposed that trans-generational immunization represents an important component of social immunity that could affect colony success, particularly during the critical phase of claustral foundation.
Increased immunocompetence and network centrality of allogroomer workers suggest a link between individual and social immunity in honeybees
TLDR
It is found that allogroomers have higher immune capacity compared to control bees, while they do not differ in chemosensory proteomic profiles, and this shows how phenotypes may be specialized in the task performed while maintaining an overall plasticity.
Host plant selection and differential survival on two Aristolochia L. species in an insular population of Zerynthia cassandra
TLDR
It is found that larval and adult survival was higher on A. rotunda, and habitat management aimed at increasing resource availability for Z. cassandra and possible ex-situ conservation actions aimed at recovering the population in case of potential catastrophic events are suggested.
Two aggressive neighbours living peacefully: the nesting association between a stingless bee and the bullet ant
TLDR
Behavioural experiments proved that the ants are significantly less aggressive toward associated bees and that guard bees are less alarmed when associated ants are presented, and verified that P. testacea maintains its species-specific cuticular signature in the association with different ant species and that ants and bees possess typical colony signatures.
Home economics in an oak gall: behavioural and chemical immune strategies against a fungal pathogen in Temnothorax ant nests
TLDR
A positive correlation between fungistatic activity and colony size is revealed, indicating that workers of smaller colonies do not invest a higher per capita effort in producing such substances compared to larger colonies.
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