IUSSI 2026 · Freiburg
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Hall 4
Room K10
Room K6
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9:00
9:00 · Hall 4
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Jeremy Field
Investigating the origin of eusociality in Hymenoptera
PL
· Plenary 1
10:15
10:15 · Hall 4
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Alexis Beaurepaire
(Varroa Genetic diversification of ectoparasitic mites spp.) across honey bee species and populations
S27
· Host-microbe interactions in social insects
10:15 · Room K10
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Jessica Purcell
Variation in social organization and supergene control along a latitudinal gradient
S14
· Complex phenotypes in social insects: the interplay of genes and environment
10:15 · Room K6
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Taisuke Kanao
Species diversity and evolutionary history of termitophilous rove beetles associated with Hodotermopsis termites
S28
· Arthropod inquilines of social insects' colonies
10:15 · Room K7
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Ruth Archer
Complex effects of climate on bumblebee fitness
S23
· Social insects’ responses and challenges in a changing world
10:15 · Room K8
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Beryl Jones
Genome regulation and the evolution of social behavior in bees
S04
· The evolution and regulation of reproductive division of labor across social
10:15 · Room K9
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Andre Ibanez Weemaels
Thermal tolerance of Sino-Indomalayan ants across latitude, ecological stratums and exotic status
S25
· Social insect invaders around the globe
10:30
10:30 · Room K6
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Bruno Zilberman
Endless forms most bloated: insights on diversity and evolutionary significance of post-imaginal growth in termitophilous beetles
S28
· Arthropod inquilines of social insects' colonies
10:30 · Room K8
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Yuval Shalem
Juvenile hormone signaling and social complexity in the Hymenoptera
S04
· The evolution and regulation of reproductive division of labor across social
10:30 · Room K9
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Giovanny Destour
Tapinoma nigerrimum Impact of two supercolonial species of the complex on soil epigeal fauna
S25
· Social insect invaders around the globe
10:45
10:45 · Hall 4
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Fabian Royer
Who is the host and who is the vector? Bacterial communities and pathogens in wild bees and honey bees of a mountain region
S27
· Host-microbe interactions in social insects
10:45 · Room K10
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Brandon Duquenoy
Multi-level selection drives supergene-mediated social and dispersal Myrmecina graminicola polymorphism in the ant
S14
· Complex phenotypes in social insects: the interplay of genes and environment
10:45 · Room K6
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Jordan Rainey
Post-imaginal growth and convergent abdominal appendages in termitophiles
S28
· Arthropod inquilines of social insects' colonies
10:45 · Room K7
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Nicolas Châline
Ant behaviour in the Anthropocene: A meta-analysis of human-induced environmental change effects on ant behaviour
S23
· Social insects’ responses and challenges in a changing world
10:45 · Room K8
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Ian Traniello
Decoding the building blocks of social dominance in queenless bumble (Bombus impatiens) bee colonies
S04
· The evolution and regulation of reproductive division of labor across social
10:45 · Room K9
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Mattia Menchetti
Population genomics of Mediterranean Pheidole ants reveals complex patterns influenced by human history
S25
· Social insect invaders around the globe
11:00
11:00 · Hall 4
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Darmon Kahvazadeh
Pathogens and Ants: Does antimicrobial investment across ant species predict susceptibility against fungal entomopathogens?
S27
· Host-microbe interactions in social insects
11:00 · Room K10
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Michael Sheehan
Introgression of color pattern alleles generates extreme phenotypic diversity mediating visual individual recognition in a paper wasp
S14
· Complex phenotypes in social insects: the interplay of genes and environment
11:00 · Room K6
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Oscar Fernando Saenz-Manchola
Disentangling the co-phylogenomics of termitophilous rove beetles (subfamily Aleocharinae) and their termite hosts
S28
· Arthropod inquilines of social insects' colonies
11:00 · Room K7
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Clint Penick
Asphalt Ecology: Trait Syndromes Behind Urban Ant Success
S23
· Social insects’ responses and challenges in a changing world
11:00 · Room K8
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Anneline Mattens
Social insect castes evolved by re-timing ancient, seasonally expressed pathways
S04
· The evolution and regulation of reproductive division of labor across social
11:00 · Room K9
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Volker Nehring
Supercolony formation in invasive Tapinoma magnum ants
S25
· Social insect invaders around the globe
11:15
11:15 · Hall 4
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Miles Liam Nesbit
Interacting Parasites, Host Genetics, and Gut Microbiomes Shape Contrasting Population Trajectories in Wild Bumblebees
S27
· Host-microbe interactions in social insects
11:15 · Room K10
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Amy Toth
Remote control of complex social behavior from outside of the brain: Lessons from functional genomics in Polistes
S14
· Complex phenotypes in social insects: the interplay of genes and environment
11:15 · Room K6
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Shivali Shivali
Exploring microbial and functional adaptations in termitophilous beetles within microbe-termite-termitophile tripartite symbiotic system
S28
· Arthropod inquilines of social insects' colonies
11:15 · Room K7
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Sabine Nooten
Effects of environmental features on social insects: from species and communities to ecological processes
S23
· Social insects’ responses and challenges in a changing world
11:15 · Room K8
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Mozhgan Khodadadi
Transcriptomes of solitary and social halictid bees support the ovarian ground plan hypothesis as mechanistic explanation for the evolution of eusociality
S04
· The evolution and regulation of reproductive division of labor across social
11:15 · Room K9
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Marion Cordonnier
Lasius niger Behavioral mechanisms underlying competition between and Linepithema humile
S25
· Social insect invaders around the globe
11:30
11:30 · Hall 4
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Fernando Amin Fleites Ayil
Beyond eusocial hosts: metagenomic evidence of trypanosomatid spillover in a bee community
S27
· Host-microbe interactions in social insects
11:30 · Room K10
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Michel Chapuisat
The genomic architecture of ant social organization: insights from the Formica supergenes
S14
· Complex phenotypes in social insects: the interplay of genes and environment
11:30 · Room K6
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Melvin Opolka
Drivers of Myrmecophile Diversity and Abundance in Wood Ant Nests (Formica rufa group)
S28
· Arthropod inquilines of social insects' colonies
11:30 · Room K7
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Aya Najjari
Termite abundance and species distribution along an altitudinal gradient in northern Morocco
S23
· Social insects’ responses and challenges in a changing world
11:30 · Room K8
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Alina Mikhailova
The genomic basis of termite sociality
S04
· The evolution and regulation of reproductive division of labor across social
11:30 · Room K9
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Tomer Czaczkes
Argentine ant invasion decreases seed dispersal but not other ant- dominated ecosystem processes
S25
· Social insect invaders around the globe
11:45
11:45 · Hall 4
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Maki Inoue
Changes in Floral Traits and Pollinator Behavior Induced by Plant Virus Infection
S27
· Host-microbe interactions in social insects
11:45 · Room K10
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Iago B. da Silva
Development and individual experience combine to shape defensive behavior phenotypes during worker-to-soldier differentiation in termites
S14
· Complex phenotypes in social insects: the interplay of genes and environment
11:45 · Room K6
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Nikola Jozić
Abundance and diversity of metazoan microfauna in ant mounds of Formica lugubris Zetterstedt, 1838
S28
· Arthropod inquilines of social insects' colonies
11:45 · Room K7
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Cleo Bertelsmeier
Microclimates as thermal refugia: behavioral plasticity in wood ants under climate change
S23
· Social insects’ responses and challenges in a changing world
11:45 · Room K8
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Felix Glinka
Large-scale genomic rearrangements may be the basis for reproductive Pogonomyrmex isolation in the dependent-lineage system
S04
· The evolution and regulation of reproductive division of labor across social
11:45 · Room K9
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Baptiste Nézel
An invader under pressure: exploring the consequences of an emerging fungal parasite on an invasive ant species in Europe
S25
· Social insect invaders around the globe
12:00
12:00 · Hall 4
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Juliana Rangel
Nosema ceranae (Apis mellifera) infection alters honey bee queen behavior and reproductive capacity
S27
· Host-microbe interactions in social insects
12:00 · Room K10
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Devashree Joglekar
The effects of juvenile hormone treatment on caste development in Cardiocondyla obscurior ants
S14
· Complex phenotypes in social insects: the interplay of genes and environment
12:00 · Room K6
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Elva Robinson
The uninvited guest ant - population genetics of the wood ant commensal Formicoxenus nitidulus
S28
· Arthropod inquilines of social insects' colonies
12:00 · Room K7
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Ren Weinstock
Socio-ecological Priming of Heat Stress Responses in a Facultatively Eusocial Bee
S23
· Social insects’ responses and challenges in a changing world
12:00 · Room K8
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Mohammed Errbii
Intraspecific variation in recombination landscapes in the California Pogonomyrmex californicus harvester ant,
S04
· The evolution and regulation of reproductive division of labor across social
12:00 · Room K9
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Lina Pedraza
Linepithema Large-scale invasive ant control with cognitive intervention of humile in Spain
S25
· Social insect invaders around the globe
13:15
13:15 · Hall 4
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Jonna Kulmuni
How can ants help to address open questions in speciation and hybridization?
PL
· Plenary 2
14:30
14:30 · Hall 4
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Silvio Erler
Bumble bee hygienic behaviour induced by colony exposure to a bacterium-based biopesticide
S27
· Host-microbe interactions in social insects
14:30 · Room K10
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Matteo Negroni
Formica selysi The proximate bases of colony sex ratio in
S14
· Complex phenotypes in social insects: the interplay of genes and environment
14:30 · Room K6
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Ethan Wright
What limits myrmecophile abundance in ant nests?
S28
· Arthropod inquilines of social insects' colonies
14:30 · Room K7
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Terry McGlynn
Infrared thermal ecology and evolution of ants and their prospects of climate resilience
S23
· Social insects’ responses and challenges in a changing world
14:30 · Room K8
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Kenji Matsuura
Transgenerational epigenetic inheritance in caste determination of termites
S04
· The evolution and regulation of reproductive division of labor across social
14:30 · Room K9
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Sara Miller
Population Genetics of the invasive European paper wasp
S25
· Social insect invaders around the globe
14:45
14:45 · Room K10
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Jacopo Dominici
Regulatory plasticity underlying caste and sex determination in social insects
S14
· Complex phenotypes in social insects: the interplay of genes and environment
14:45 · Room K6
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Juan J. Lagos- Oviedo
Spies inside army ant raids: Eavesdropping on the help pheromone of injured ants
S28
· Arthropod inquilines of social insects' colonies
14:45 · Room K7
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Adriana Crhonková
Distribution and thermal tolerance of two wood ant species and their hybrids in Southern Bavaria
S23
· Social insects’ responses and challenges in a changing world
14:45 · Room K8
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Kiyoto Maekawa
Gene duplication and caste-specific gene regulation in termite social evolution
S04
· The evolution and regulation of reproductive division of labor across social
15:00
15:00 · Hall 4
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Lukas Lindorfer
Transmission in Action: What pathogen mimics can show about disease spread
S27
· Host-microbe interactions in social insects
15:00 · Room K10
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Eyal Privman
Repeated evolution of supergenes on an ancient social chromosome
S14
· Complex phenotypes in social insects: the interplay of genes and environment
15:00 · Room K6
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Thomas Parmentier
The dynamic associations between social insects and their arthropod guests during introductions and invasions
S28
· Arthropod inquilines of social insects' colonies
15:00 · Room K7
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Istifanus P. Aiki
Thermoregulatory mechanisms in termites and its effects on termites’ distributions on some species of termites found in the savannah
S23
· Social insects’ responses and challenges in a changing world
15:00 · Room K8
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Guo Ding
lncRNAs contribute to caste differentiation as a regulatory layer in ants
S04
· The evolution and regulation of reproductive division of labor across social
15:00 · Room K9
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Mateus Detoni
Invasive social wasp inventory of the South Pacific isles
S25
· Social insect invaders around the globe
15:15
15:15 · Hall 4
+
Tiago Zeferino
Immune heterogeneity shapes disease spread in clonal ant societies
S27
· Host-microbe interactions in social insects
15:15 · Room K10
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Floria Mora-Kepfer Uy
Parasites exploit plasticity to reprogram social wasps into extended phenotypes
S14
· Complex phenotypes in social insects: the interplay of genes and environment
15:15 · Room K6
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Tomohiro Nakazono
Host-side optimization promotes acceptance of social parasites: Insights from signal detection theory
S28
· Arthropod inquilines of social insects' colonies
15:15 · Room K7
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Elia Nalini
Niche and spatial segregation define the distribution of sympatric red wood ant species
S23
· Social insects’ responses and challenges in a changing world
15:15 · Room K8
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Timothy Linksvayer
The evolution of queen-worker dimorphism in ants
S04
· The evolution and regulation of reproductive division of labor across social
15:15 · Room K9
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Erin Wilson Rankin
Investigating behavioral, ecological and abiotic factors influencing mating (Vespula pensylvanica) success in an invasive social yellowjacket wasp
S25
· Social insect invaders around the globe
15:30
15:30 · Hall 4
+
Daniel Schläppi
Evasion of behavioural disease barriers facilitates cross-species virus spillover
S27
· Host-microbe interactions in social insects
15:30 · Room K10
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Paige Caine
Vespula squamosa V. Population Genomics of the social parasite and host maculifrons
S14
· Complex phenotypes in social insects: the interplay of genes and environment
15:30 · Room K6
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Virginia Schianini
Understanding the behavioural integration of a paper wasp social parasite into the dominance network of the host colony
S28
· Arthropod inquilines of social insects' colonies
15:30 · Room K7
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Martin Schebeck
Interactions between wood ants and bark beetles: Eco-evolutionary implications on forest ecosystems
S23
· Social insects’ responses and challenges in a changing world
15:30 · Room K8
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Daniela Mera Rodríguez
Evolution of social parasitism in the leaf-cutting ants
S04
· The evolution and regulation of reproductive division of labor across social
15:30 · Room K9
+
Gard Otis
The continuing worldwide invasion of Vespa velutina hornets
S25
· Social insect invaders around the globe
15:45
15:45 · Hall 4
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Tze Hann Ng
Immune Priming in a Clonal Ant
S27
· Host-microbe interactions in social insects
15:45 · Room K10
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Amirhossein Karimizadeh
Convergent Gene Expression and Epigenetic Regulation of Raiding Behavior in Slavemaking Ants
S14
· Complex phenotypes in social insects: the interplay of genes and environment
15:45 · Room K6
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Aryel Camero Goes
An ant social parasite helps its fungus-growing ant host with nest hygiene
S28
· Arthropod inquilines of social insects' colonies
15:45 · Room K7
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Hanno Korten
Drought events reduce reproductive success of a long-tongued bumblebee species
S23
· Social insects’ responses and challenges in a changing world
15:45 · Room K8
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Ann Kathrin Huylmans
Evolution of sex chromosomes and chromosomal chains in termites
S04
· The evolution and regulation of reproductive division of labor across social
15:45 · Room K9
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Phil Lester
Incursion and early-stage management of the yellow-legged hornet (Vespa velutina) in New Zealand, with a focus on eradication
S25
· Social insect invaders around the globe
16:00
16:00 · Hall 4
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Quentin Avanzi
From Entrance to Queen, Spatial Organisation of Sanitary Behaviours in Ant Colonies
S27
· Host-microbe interactions in social insects
16:00 · Room K10
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Riddhi Deshmukh
Secondary acquisition of selfish genetic drive by an ancient social Formica supergene in
S14
· Complex phenotypes in social insects: the interplay of genes and environment
16:00 · Room K6
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Max Paul Härtel
Evolution of Social Parasitism in a hyperdiverse clade: An integrative Camponotus carpenter study of ants
S28
· Arthropod inquilines of social insects' colonies
16:00 · Room K7
+
Alice Roux
Impact of heat waves on colony foundation in ants
S23
· Social insects’ responses and challenges in a changing world
16:00 · Room K8
+
Tom Keaney
The evolution of inbreeding in haplodiploids
S04
· The evolution and regulation of reproductive division of labor across social
16:00 · Room K9
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Sam Macro Versteeg
Naivety in the face of invasion: Western honeybee behavioural and molecular responses to the Asian hornet
S25
· Social insect invaders around the globe
16:15
16:15 · Hall 4
+
Anna Müller
Do bumblebees care? Wound care and social immunity in social bees
S27
· Host-microbe interactions in social insects
16:15 · Room K10
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Isabell Kaufhold
Cardiocondyla The enigmatic conserved region of genomes
S14
· Complex phenotypes in social insects: the interplay of genes and environment
16:15 · Room K6
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Yusei Takaishi
Interaction dynamics among social parasites sharing a common host ant
S28
· Arthropod inquilines of social insects' colonies
16:15 · Room K7
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Felicitas Gunter
Psammotermes allocerus The sand termite shows extraordinary resilience in the extreme environment of the Namib Desert
S23
· Social insects’ responses and challenges in a changing world
16:15 · Room K9
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Ulrich Ernst
Vespa velutina Activated Charcoal: A Highly Potent Legal Alternative for Nest Destruction
S25
· Social insect invaders around the globe
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Programme
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