Caryocolum vicinella is a moth

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 Gelechiidae

Gelechiidae

Gelechiidae is a family of moths commonly referred to as twirler moths or gelechiid moths. They are the namesake family of the huge and little-studied superfamily Gelechioidea, and the Gelechiidae's relationships with and delimitation against their relatives have been subject to considerable...

 family. It is found in most of Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

.
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 about 12 mm. Adults are on wing from July to September.

The larvae feed on Cerastium arvense

Cerastium arvense

Cerastium arvense is a species of flowering plant in the pink family known by the common name field chickweed. It is a widespread species, occurring throughout Europe and North America, as well as parts of South America. It is a variable species. There are several subspecies, but the number and...

, Dianthus

Dianthus

Dianthus is a genus of about 300 species of flowering plants in the family Caryophyllaceae, native mainly to Europe and Asia, with a few species extending south to north Africa, and one species in arctic North America. Common names include carnation , pink and sweet William Dianthus is a genus of...

, Lychnis alpina, Lychnis viscaria, Minuartia

Minuartia

Minuartia is a genus of small flowering plants, one of those commonly known as "sandwort" or "stitchwort". The genus is classed within the family Caryophyllaceae, the pink family, characterised by its opposite and decussate leaves....

, Petrorhagia prolifera, Petrorhagia saxifraga, Silene inflata, Silene nutans, Silene vulgaris maritima

Silene vulgaris

Silene vulgaris, Silene cucubalus or Bladder Campion is a plant species of the genus Silene of the Pink Family . It is native to Europe, where in some parts it is eaten, but is widespread in North America where it is considered a weed..-Gastronomy:In Spain, the young shoots and the leaves are used...

, Spergularia rubra

Spergularia rubra

Spergularia rubra, the red sand spurrey or red sandspurry, is a plant species in the pink family. It is native to Europe and Asia, and it is present on other continents, including North and South America and Australia, as an introduced species and in many areas a common weed. It grows in a wide...

, Stellaria media, Stellaria nemorum and Stellaria uliginosum. They may mine

Leaf miner

Leaf miner is a term used to describe the larvae of many different species of insect which live in and eat the leaf tissue of plants. The vast majority of leaf-mining insects are moths , sawflies and flies , though some beetles and wasps also exhibit this behavior.Like Woodboring beetles, leaf...

the leaves of their host plant when young, but this is unconfirmed. Older larvae mine the stem of their host plant, although other sources state they live among spun shoots. Larvae can be found from mid April to the beginning of June.