Volume 18   LOURENÇO W. R. 2-­14 A new remarkable scorpion genus and species from Cretaceous Burmese amber (Scorpiones: Protoischnuridae) LOURENÇO W. R., WAEBER P. O. & WILMÉ L. 15­-25 One more new species of Tityobuthus Pocock, 1890 (Scorpiones: Buthidae) from the SW of Madagascar with comments on the distributions of associated species MALAMEL J. J., SUDHIKUMAR A. V. & SEBASTIAN P. A. 26­-39 Predatory efficacy of dominant spiders on insect pests in Kuttanad rice agro­ecosystem, Kerala, India  KURY A. B. 40­-43 The correct spelling of Leptopsalidinae (Arachnida: Opiliones: Cyphophthalmi)  ROSSI A. 44­-48 Professor Paolo Tongiorgi (1936-­2018)