1. Temporal organization among pollination systems in a tropical seasonal forest

   • Julieta Genini
   • Paulo R. Guimarães Jr
   • Leonor Patrícia Cerdeira Morellato

   Original Article 28 July 2021 Article: 34

   

2. Enzymatic characterization of the saliva of the eriophyid mite, Aceria pongamiae Keifer1966 (Acari: Eriophyidae) and the bacterial endobiome of the galls induced on Pongamia pinnata (L.) Pierre (Fabaceae)

   • P. P. Anand
   • N. Ramani

   Original Article 24 July 2021 Article: 33

   

3. A new short-faced archosauriform from the Upper Triassic Placerias/Downs’ quarry complex, Arizona, USA, expands the morphological diversity of the Triassic archosauriform radiation

   • Andrew B. Heckert
   • Sterling J. Nesbitt
   • Brian W. Zimmer

   Original Article Open access 02 July 2021 Article: 32

   

4. Short-term plasticity and variation in acacia ant-rewards under different conditions of ant occupancy and herbivory

   • Finote Gijsman
   • Yorlenis González
   • Sabrina Amador-Vargas

   Original Article 01 July 2021 Article: 31

   

5. Vocal phenotype of male rutting roars and genetic markers delineate East European red deer (Cervus elaphus) from Central and West European populations

   • Olga S. Golosova
   • Marina V. Kholodova
   • Tamás Tari

   Original Article 29 June 2021 Article: 30

   

6. Diversity and substrate-specificity of green algae and other micro-eukaryotes colonizing amphibian clutches in Germany, revealed by DNA metabarcoding

   • Sten Anslan
   • Maria Sachs
   • Miguel Vences

   Original Article Open access 28 June 2021 Article: 29

   

7. Wild non-eusocial bees learn a colour discrimination task in response to simulated predation events

   • Scarlett R. Howard

   Original Article 21 June 2021 Article: 28

   

8. Energy storage in salamanders’ tails: the role of sex and ecology

   • Giacomo Rosa
   • Andrea Costa
   • Sebastiano Salvidio

   Short Communication 17 June 2021 Article: 27

   

9. A re-assessment of the oldest therapsid Raranimus confirms its status as a basal member of the clade and fills Olson’s gap

   • A. Duhamel
   • J. Benoit
   • J. Liu

   Original Article 11 June 2021 Article: 26

   

10. Museum records indicate male bias in pollinators of sexually deceptive orchids

    • A. L. Brunton Martin
    • A. C. Gaskett
    • J. C. O’Hanlon

    Original Article 06 June 2021 Article: 25