The Wing Atlas
Eurasian Hemp Moth

Eurasian Hemp Moth

Common NameEurasian Hemp Moth
Scientific NameGrapholita delineana
FamilyTortricidae
SubfamilyOlethreutinae
Wingspan (mm)12
Wing Patternstriped
Primary Colorsbrown, dark brown, silver
HabitatAgricultural fields, gardens, disturbed areas, and places where host plants grow.
Geographic RangeEurope, Asia, and introduced to North America.
Host PlantsCannabis sativa, Humulus lupulus
Flight PeriodMay to August (often two generations)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae bore into the stems and seeds of host plants, particularly hemp and hops. Pupation occurs in a cocoon, often in the soil or plant debris.
Identification TipsLook for the characteristic forewing pattern with pale, often silvery, strigulae along the costa and a dark ocellus (eye-spot like marking) near the tornus, usually containing metallic lines. Its small size and association with hemp or hops are also key indicators.

Description

A small, mottled brown moth with intricate patterns on its forewings, featuring distinct pale, often silvery, costal streaks and a darker ocellus near the tornus, typically with metallic lines.

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