1. Social Organization and Subcaste Specialization in the Leaf-Cutting Ant Acromyrmex subterraneus (Formicidae: Myrmicinae)

   • Ana C. Calheiros
   • Mariane U. V. Ronque
   • Paulo S. Oliveira

   OriginalPaper 22 October 2019 Pages: 267 - 280

   

2. Correction to: Social Organization and Subcaste Specialization in the Leaf-Cutting Ant Acromyrmex subterraneus (Formicidae: Myrmicinae)

   • Ana C. Calheiros
   • Mariane U. V. Ronque
   • Paulo S. Oliveira

   Correction 20 November 2019 Pages: 281 - 281

3. Size Does Not Matter: Same-Sex Sexual Behavior Occurred Regardless of Mandible Size in Male Stag Beetle Aegus chelifer chelifer (Coleoptera: Lucanidae)

   • Nut Songvorawit
   • Buntika Areekul Butcher
   • Chatchawan Chaisuekul

   OriginalPaper 16 November 2019 Pages: 282 - 289

   

4. Visually Guided Search Behavior during Walking in Insects with Different Habitat Utilization Strategies

   • Karl Kral

   OriginalPaper 18 December 2019 Pages: 290 - 305

   

5. Small Body Size Is Associated with Increased Aggression in the Solitary Sweat Bee Nomia melanderi (Hymenoptera, Halictidae)

   • Adam R. Smith
   • Timothy DeLory
   • Karen M. Kapheim

   OriginalPaper 20 December 2019 Pages: 306 - 314

   

6. Escape Strategies of the Madagascar Hissing Cockroach (Gromphadorhina portentosa) in Response to Looming and Localized Heat Stimuli

   • Jiangda Ou
   • Corey L. Cleland

   OriginalPaper 21 December 2019 Pages: 315 - 323