1. Life history of the endangered Japanese aquatic beetle Helophorus auriculatus (Coleoptera: Helophoridae) and implications for its conservation

   • Reiya Watanabe
   • Ryosuke Matsushima
   • Gomei Yoda

   ORIGINAL PAPER 03 January 2020 Pages: 603 - 611

   

2. Effect of habitat amount and complexity on social wasps (Vespidae: Polistinae): implications for biological control

   • José Victor Alves Ferreira
   • Danielle Storck-Tonon
   • Dionei José da Silva

   ORIGINAL PAPER 28 February 2020 Pages: 613 - 624

   

3. Low impact of two LED colors on nocturnal insect abundance and bat activity in a peri-urban environment

   • Janine Bolliger
   • Tom Hennet
   • Martin K. Obrist

   ORIGINAL PAPER Open access 09 April 2020 Pages: 625 - 635

   

4. Bee species decrease and increase between the 1990s and 2018 in large urban protected sites

   • Michaela M. Hofmann
   • Susanne S. Renner

   ORIGINAL PAPER Open access 27 April 2020 Pages: 637 - 642

   

5. Dung beetles: functional identity, not functional diversity, accounts for ecological process disruption caused by the use of veterinary medical products

   • Mattia Tonelli
   • José R. Verdú
   • Mario Zunino

   ORIGINAL PAPER 30 April 2020 Pages: 643 - 654

   

6. Is grazing always the answer to grassland management for arthropod biodiversity? Lessons from a gravel pit restoration project

   • Alvin J. Helden
   • James Chipps
   • Luiza Pereira

   ORIGINAL PAPER 16 May 2020 Pages: 655 - 670

   

7. Predicting the distribution range of a recently described, habitat specialist bee

   • Daniel P. Silva
   • H. Glenn Hall
   • John S. Ascher

   ORIGINAL PAPER 30 April 2020 Pages: 671 - 680

   

8. Population biology, natural history and conservation of two endangered high elevation Neotropical butterflies

   • Augusto H. B. Rosa
   • Danilo B. Ribeiro
   • André V. L. Freitas

   ORIGINAL PAPER 27 April 2020 Pages: 681 - 694

   

9. Small field islands systems include a large proportion of the regional orthopteran species pool in arable landscapes

   • Laura G. A. Riggi
   • Åsa Berggren

   ORIGINAL PAPER Open access 12 May 2020 Pages: 695 - 703

   

10. The effects of cattle ranching on the communities of necrophagous flies (Diptera: Calliphoridae, Mesembrinellidae and Sarcophagidae) in Northeastern Brazil

    • José Roberto Pereira de Sousa
    • Fernando da Silva Carvalho-Filho
    • Maria Cristina Esposito

    ORIGINAL PAPER 14 May 2020 Pages: 705 - 717

    

11. Grassland restorations improve pollinator communities: a meta-analysis

    • Aaron N. Sexton
    • Sarah M. Emery

    ORIGINAL PAPER 14 May 2020 Pages: 719 - 726

    

12. More eyes on the prize: an observation of a very rare, threatened species of Philippine Bumble bee, Bombus irisanensis, on iNaturalist and the importance of citizen science in conservation biology

    • Joseph S. Wilson
    • Aaron D. Pan
    • Jonathan B. Koch

    SHORT COMMUNICATION 28 March 2020 Pages: 727 - 729

    

13. Video surveillance reveals a community of largely nocturnal Danaus plexippus (L.) egg predators

    • Andrew T. Myers
    • Nathan L. Haan
    • Douglas A. Landis

    Short Communication 31 May 2020 Pages: 731 - 737