1. Functional characterization of two novel peptides and their analogs identified from the skin secretion of Indosylvirana aurantiaca, an endemic frog species of Western Ghats, India

   • G. Shyla
   • T. V. Vineethkumar
   • Sanil George

   Original Article 19 August 2019 Pages: 179 - 187

   

2. The scent gland chemistry of neogoveid cyphophthalmids (Opiliones): an unusual methyljuglone from Metasiro savannahensis

   • Günther Raspotnig
   • Felix Anderl
   • Ronald M. Clouse

   Original Article Open access 26 September 2019 Pages: 189 - 197

   

3. Metabolome and ionome analyses reveal the stoichiometric effects of contrasting geological phosphorus soils on seed-parasitic insects in subtropical oak forests

   • Huawei Ji
   • Baoming Du
   • Chunjiang Liu

   Original Article 31 October 2019 Pages: 199 - 210

   

4. Flowers of European pear release common and uncommon volatiles that can be detected by honey bee pollinators

   • Kathrin Lukas
   • Tim Harig
   • Stefan Dötterl

   Original Article Open access 02 November 2019 Pages: 211 - 223

   

5. Geographically separated orange and blue populations of the Amazonian poison frog Adelphobates galactonotus (Anura, Dendrobatidae) do not differ in alkaloid composition or palatability

   • Adriana M. Jeckel
   • Sophie Kocheff
   • Taran Grant

   Original Article 16 November 2019 Pages: 225 - 234

   

6. Identification and field verification of aggregation-sex pheromone from the predaceous bug, Arma chinensis

   • Huihui Wu
   • Thomas A. Coudron
   • Deyu Zou

   Original Article 27 November 2019 Pages: 235 - 245