1. Better fed wasps are more selfish

   • M. H. Richards

   Highlight Article 29 October 2021 Pages: 285 - 286

2. The gut microbiota of bumblebees

   • T. J. Hammer
   • E. Le
   • N. A. Moran

   Review Article 29 September 2021 Pages: 287 - 301

   

3. Origin of an evolutionary novelty: the worker phenotype of eusocial wasps

   • J. H. Hunt

   Review Article Open access 05 October 2021 Pages: 303 - 318

   

4. Nutrition induced direct fitness for workers in a primitively eusocial wasp

   • J. U. Krishnan
   • A. Brahma
   • R. Gadagkar

   Research Article Open access 20 September 2021 Pages: 319 - 325

   

5. Colony structure, population structure, and sharing of foraging trees in the ant Myrmecia nigriceps (Hymenoptera: Formicidae)

   • V. Als
   • A. Narendra
   • B. C. Schlick-Steiner

   Research Article Open access 30 August 2021 Pages: 327 - 335

   

6. Nesting biology and social organisation of the allodapine bee Exoneura angophorae (Hymenoptera: Apidae): montane environmental constraints yield biased sex allocation yet phenology is unhindered

   • O. M. Bernauer
   • J. M. Cook
   • S. M. Tierney

   Research Article 27 August 2021 Pages: 337 - 349

   

7. Characterization of cuticular hydrocarbons in a subsocial bee, Ceratina calcarata

   • N. J. Pizzi
   • S. M. Rehan

   Research Article 01 September 2021 Pages: 351 - 358

   

8. Effects of Azteca trigona alarm pheromones on heterospecific ant behavior

   • R. L. Wells
   • C. J. Frost
   • S. P. Yanoviak

   Research Article 24 September 2021 Pages: 359 - 365

   

9. Inter-gall dispersal in a socially parasitic aphid

   • D. G. Miller III

   Short Communication 14 July 2021 Pages: 367 - 370

10. Stylopized hornets (Vespa, Vespidae) as preferred hosts of the parasitic mite Charletonia southcotti (Erythraeidae, Acari)

    • H. Kosaka
    • K. Sayama
    • S. Makino

    Short Communication 17 September 2021 Pages: 371 - 374

    

11. The evidence of temporary social parasitism by Polyrhachis lamellidens (Hymenoptera, Formicidae) in a Camponotus obscuripes colony (Hymenoptera, Formicidae)

    • H. Iwai
    • Y. Kurihara
    • K. Arakawa

    Short Communication Open access 22 August 2021 Pages: 375 - 382