Cnephasia stephensiana
Encyclopedia
The Grey Tortrix is a moth
of the Tortricidae
family. It is found in the Palearctic ecozone, and has also been recorded from Canada
.
The wingspan
is 18-23 mm. Adults are on wing from May to August.
Eggs are laid in July and August and hatch after about three weeks. The young caterpillars make a cocoon in which they overwinter. They start feeding in spring. In the beginning they mine. Later they live in folded leaves. The caterpillars pupate from April to July.
The larvae are polyphagus and have been recorded from over 120 plant species. It is sometimes considered a plague on various agricultural crops.
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...
of the Tortricidae
Tortricidae
Tortricidae is a family of moths, commonly known as tortrix moths, in the order Lepidoptera. Tortricidae is a large family with over 9,400 species described, and is the sole member of the superfamily Tortricoidea. Many of these are economically important pests. Olethreutidae is a junior synonym...
family. It is found in the Palearctic ecozone, and has also been recorded from Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
.
The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...
is 18-23 mm. Adults are on wing from May to August.
Eggs are laid in July and August and hatch after about three weeks. The young caterpillars make a cocoon in which they overwinter. They start feeding in spring. In the beginning they mine. Later they live in folded leaves. The caterpillars pupate from April to July.
The larvae are polyphagus and have been recorded from over 120 plant species. It is sometimes considered a plague on various agricultural crops.