A transitional male of the Orthetrum coerulescens complex was collected at El Romeral, Malaga, Spain in 1991 – the first such record for the Iberian Peninsula, The structure of the genitalia is illustrated and compared with typical forms of O. coerulescens, O. anceps and intermediate forms from Sicily.

Advances in odonatology

CC BY-SA 4.0 NL ("Naamsvermelding-GelijkDelen")

Societas Internationalis Odonatologica

Konstantin Klingenberg, & Andreas Martens. (1996). Record of an intermediate form between Orthetrum coerulescens (Fabricius) and O. anceps (Schneider) in southern Spain (Anisoptera: Libellulidae). Advances in odonatology, 1A(1), 117–121.