A KEY TO 5TH INSTAR LARVAE OF HALESUS-RADIATUS CURTIS 1834, HALESUS-DIGITATUS SCHRANK 1781 AND HALESUS-TESSELATUS RAMBUR 1842 (TRICHOPTERA,LIMNEPHILIDAE), BASED ON AUSTRIAN MATERIAL
M. Panzenbock et J. Waringer, A KEY TO 5TH INSTAR LARVAE OF HALESUS-RADIATUS CURTIS 1834, HALESUS-DIGITATUS SCHRANK 1781 AND HALESUS-TESSELATUS RAMBUR 1842 (TRICHOPTERA,LIMNEPHILIDAE), BASED ON AUSTRIAN MATERIAL, Aquatic insects, 19(2), 1997, pp. 65-73
A dichotomic and a synoptic key to fifth instar larvae of Halesus radi
atus, H. digitatus and H. tesselatus are presented. The most important
diagnostic features are illustrated and some taxonomic, zoogeographic
al and ecological notes are included.