1. Impact of “non-lethal” tarsal clipping on bumble bees (Bombus vosnesenskii) may depend on queen stage and worker size

   • John M. Mola
   • Clara Stuligross
   • Neal M. Williams

   ORIGINAL PAPER Open access 08 February 2021 Pages: 195 - 201

   

2. Plant communities associated with a species at risk: Omus audouini (Coleoptera: Cicindelidae) in upper salt marsh habitat at Boundary Bay, British Columbia

   • Robert McGregor

   ORIGINAL PAPER 09 February 2021 Pages: 203 - 212

   

3. Forest-pasture shifting alters the assemblages of seed-removing ants in southwestern Brazilian Amazon

   • Luane Karoline Fontenele
   • Fernando Augusto Schmidt

   ORIGINAL PAPER 09 February 2021 Pages: 213 - 220

   

4. Insect diversity across an afro-tropical forest biodiversity hotspot

   • Jan Christian Habel
   • Elisabeth Koc
   • Werner Ulrich

   ORIGINAL PAPER Open access 10 February 2021 Pages: 221 - 228

   

5. Predicting climate effects on aquatic true bugs in a tropical biodiversity hotspot

   • S. Sundar
   • Daniel Paiva Silva
   • Jani Heino

   ORIGINAL PAPER 12 February 2021 Pages: 229 - 241

   

6. Landscape characteristics predict body sizes in wild bees: implications for pollination services and foraging range

   • Sarah DePaolo Elzay
   • Kristen A. Baum

   ORIGINAL PAPER 13 February 2021 Pages: 243 - 253

   

7. Conservation of a strongly declining butterfly species depends on traditionally managed grasslands

   • Cinja Schwarz
   • Thomas Fartmann

   ORIGINAL PAPER Open access 17 February 2021 Pages: 255 - 271

   

8. Lost and found: 160 years of Lepidoptera observations in Wuppertal (Germany)

   • Tim Laussmann
   • Armin Dahl
   • Armin Radtke

   ORIGINAL PAPER 22 February 2021 Pages: 273 - 285

   

9. Effects of temperature and plant diversity on orthopterans and leafhoppers in calcareous dry grasslands

   • Costanza Geppert
   • Greta La Bella
   • Lorenzo Marini

   ORIGINAL PAPER Open access 22 February 2021 Pages: 287 - 296

   

10. Investigating the ecology of the Great Yellow Bumblebee (Bombus distinguendus) within the wider bumblebee community in North-West Ireland

    • Niamh Phelan
    • Dave Suddaby
    • Dara A. Stanley

    ORIGINAL PAPER 24 February 2021 Pages: 297 - 310

    

11. Evidence of range contraction and increased metapopulation patchiness of the rare eastern Nearctic Karst Snowfly Allocapnia cunninghami Ross & Ricker, 1971

    • Scott A. Grubbs

    ORIGINAL PAPER 03 March 2021 Pages: 311 - 320

    

12. Does specialisation affect genetic diversity in (pre-)Alpine populations of four species of Copper butterflies?

    • Daronja Trense
    • Jan Christian Habel
    • Klaus Fischer

    ORIGINAL PAPER 06 March 2021 Pages: 321 - 338

    

13. White LED light intensity, but not colour temperature, interferes with mate‐finding by glow‐worm (Lampyris noctiluca L.) males

    • Mira Van den Broeck
    • Raphaël De Cock
    • Erik Matthysen

    ORIGINAL PAPER 17 March 2021 Pages: 339 - 347

    

14. Colonisation of secondary habitats in mining sites by Labidura riparia (Dermaptera: Labiduridae) from multiple natural source populations

    • Mareike Gueth
    • Gerhard Wiegleb
    • Walter Durka

    ORIGINAL PAPER Open access 24 March 2021 Pages: 349 - 359

    

15. An overview of Neotropical arthropod conservation efforts using risk assessment lists

    • Rodrigo M. Barahona-Segovia
    • Álvaro Zúñiga-Reinoso

    ORIGINAL PAPER 13 March 2021 Pages: 361 - 376

    

16. Calculating population reductions of invertebrate species for IUCN Red List assessments

    • H. Reşit Akçakaya
    • Axel Hochkirch
    • Sérgio Henriques

    SHORT COMMUNICATION 11 March 2021 Pages: 377 - 382