The Geometrician

Grammodes stolida · Order: Lepidoptera · Family: Erebidae

Also called: Geometrician, Stolid Lines

Damages trees, gardens or crops. The larvae feed on a variety of plants including berries and oak, so they can damage gardens and trees.

Source: Wikipedia

The Geometrician moth has dark forewings with distinctive pale ochreous and yellowish bands and a white-fringed hindwing. It lives across Africa, southern Europe, much of Asia and Australia and migrates north into central and northern Europe.

Source: Wikipedia

How to recognize it

Forewings are mostly black-brown with a pale ochreous band crossing the middle and a biconcave ochreous outer band, plus several black patches near the edge; the hindwing is olive-fuscous with a white band and a white submarginal spot.

Source: Wikipedia

What it eats

The caterpillars feed on plants such as Paliurus, Rubus, Tribulus, Coriaria and oak species.

Source: Wikipedia

Life cycle

There are several generations each year. Adults are active from February through October.

Source: Wikipedia

When you see it

Adults can be seen from February to October.

Source: Wikipedia

Where it comes from

Its range includes Africa, southern Europe, much of Asia and Australia, with seasonal migration into central and northern Europe.

Source: Wikipedia

Lookalikes

The form *stupida* from Macedonia shows the same bands but only yellow at the inner margin and has two straight dark streaks, while the *attenuata* form has a very narrow white line on the hindwing.

Source: Wikipedia