Larval characteristics of Drusus crenophylax sp. n. A head, frontal view B head, left lateral view C pronotum dorsal view D meso- and metathorax with abdominal segment I, dorsal view E abdominal segments I-V, left lateral view F left thoracic leg I, frontal view G left thoracic leg II; frontal view H left thoracic leg III, frontal view; bottom, gill and lateral line diagram, positions of gills are depicted as black circles, position of lateral line bold.

 
 
  Part of: Vitecek S, Previšić A, Kučinić M, Bálint M, Keresztes L, Waringer J, Pauls S, Malicky H, Graf W (2015) Description of a new species of Wormaldia from Sardinia and a new Drusus species from the Western Balkans (Trichoptera, Philopotamidae, Limnephilidae). ZooKeys 496: 85-103. https://doi.org/10.3897/zookeys.496.9169