1. How do animals use substrate-borne vibrations as an information source?

   • Peggy S. M. Hill

   REVIEW 11 July 2009 Pages: 1355 - 1371

   

2. A comparative approach to the principal mechanisms of different memory systems

   • Ludger Rensing
   • Michael Koch
   • Annette Becker

   REVIEW 13 August 2009 Pages: 1373 - 1384

   

3. Seeing it coming: infants’ brain responses to looming danger

   • F. R. (Ruud) van der Weel
   • Audrey L. H. van der Meer

   ORIGINAL PAPER 15 September 2009 Pages: 1385 - 1391

   

4. Diploid males, diploid sperm production, and triploid females in the ant Tapinoma erraticum

   • Laurent Cournault
   • Serge Aron

   ORIGINAL PAPER 30 July 2009 Pages: 1393 - 1400

   

5. Goldfish and oscars have comparable responsiveness to dipole stimuli

   • Ines Eva Nauroth
   • Joachim Mogdans

   ORIGINAL PAPER 05 August 2009 Pages: 1401 - 1409

   

6. Evolution of a new sense for wind in flying phasmids? Afferents and interneurons

   • Reinhold Hustert
   • Rebecca Klug

   ORIGINAL PAPER Open access 25 August 2009 Pages: 1411 - 1419

   

7. Fire ant venom alkaloids act as key attractants for the parasitic phorid fly, Pseudacteon tricuspis (Diptera: Phoridae)

   • Li Chen
   • Kavita R. Sharma
   • Henry Y. Fadamiro

   ORIGINAL PAPER 28 August 2009 Pages: 1421 - 1429

   

8. ‘Special agents’ trigger social waves in giant honeybees (Apis dorsata)

   • Evelyn Schmelzer
   • Gerald Kastberger

   ORIGINAL PAPER Open access 16 September 2009 Pages: 1431 - 1441

   

9. Orange/lemon-scented beetles: opposite enantiomers of limonene as major constituents in the defensive secretion of related carabids

   • Athula B. Attygalle
   • Xiaogang Wu
   • Kipling W. Will

   SHORT COMMUNICATION 19 August 2009 Pages: 1443 - 1449