Variation of larval size and adult emergence period of Boyeria irene (Fonscolombe, 1838) (Odonata: Aeshnidae) in the Francia River of western Spain

1. Casanueva, P.
2. Hernández, M.Á.
3. Nunes, L.
4. Sánchez-Sastre, L.F.
5. Campos, F.