<strong>A new species of <em>Elachista</em> Treitschke (Lepidoptera: Elachistidae) from Portugal</strong>

A previously undescribed species of Elachista Treitschke has been discovered at three localities in northern and central Portugal. The new species, Elachista pluviosa Corley & Nunes, sp. nov. , belongs to the subgenus Aphelosetia Stephens and to the E. bedellella species group, showing morphological similarities to Elachista catalana Parenti, 1978 and related species, but differs in habitus, male…