Twig-miner
Guides
Argyresthia thuiella
arborvitae leafminer, thuja mining moth, American thuja shoot moth
Argyresthia thuiella is a micro-moth in the family Argyresthiidae, commonly known as the arborvitae leafminer. Native to North America, it has been introduced to Europe multiple times since 1971. The species develops one generation annually, with larvae mining the foliage and twigs of Thuja and Chamaecyparis species. Adults are active from May to July and have a wingspan of approximately 8 mm.
Marmara elotella
Apple Barkminer
Marmara elotella, commonly known as the apple barkminer, is a microlepidopteran moth in the family Gracillariidae. The species is known from five eastern US states and is associated with apple and pear cultivation. Its larvae are specialized twig miners that feed as sap-feeders within host plant tissues.