Morphological separation of fifth instar larvae of Apataniidae Wallengren 1886 from other European Trichoptera

Larvae of the family Apataniidae share the folloWing morphological characters (Pitsch 1993; Solem 1985; Wallace et al. 2003; Waringer & Graf 2011; Wiggins 1996):

- With transportable case (Fig. 14);

- sclerites present on pro-, meso-, and metanota (Fig. 5, p, ms, mt);

- no transverse rim at anterior 3rd of pronotum (Fig. 4, arroW);

- pronotum and mesonotum each completely covered by 2 sclerites in close contact, separated by unbranched longitudinal suture (Fig. 5, arroWs);

- median(sa 1) and posterior metanotal sclerites (sa 2) reduced and represented only by setal groups (Fig. 5);

- prosternal horn present (Fig. 2, ph);

- antennae situated halfWay betWeen eye and anterior head margin (Fig. 1, arroW);

- scraper-type mandibles Without terminal teeth along cutting edge (Fig. 2, arroW);

- submentum Wedge-shaped (Fig. 2, s);

- head With many secondary setae (Fig. 3, ss);

- fleshy protuberances present laterally and dorsally on abdominal segment I (Fig. 9, dp, lp);

- all gills consisting of single filaments (Fig. 9, dr, do).