Wormaldia

Karaouzas, Ioannis, 2016, The larva of Wormaldia asterusia Malicky 1972 (Trichoptera: Philopotamidae) with notes on its ecology and an update on the Wormaldia of Greece with a larval key for species of the genus, Zootaxa 4200 (3), pp. 389-394 : 392

Key for Larvae of Wormaldia species in the West Palearctic

1 Anterior margin of frontoclypeus convex and symmetrical.....................................................2

- Anterior margin of frontoclypeus distinctly notched asymmetrically..................................... .. W. copiosa

2 Posterodorsal indentation of pronotum deep and saddle-shaped; lateral margins of pronotum each with large black spot near pleural articulation............................................................................ W. subnigra

- Posterodorsal indentation of pronotum shallow; lateral margins of pronotum each with brown stripe near pleural articulation and without black spot..................................................................................3

3 Head relatively broad, short (ratio of width to length 1.4 – 1.6); anterolateral angles of frontoclypeus curved inwards and almost pointed............................................................................. .. W. occipitalis

- Head narrow, long (ratio of width to length 1.7); anterior angles of frontoclypeus wide and round............ .. W. asterusia