Caryocolum tricolorella

Caryocolum tricolorella is a moth of the family Gelechiidae. It is found from Fennoscandia to the Pyrenees, Alps and Romania and from Ireland to Russia and Ukraine.

A sprig of Stellaria holostea with a young shoot attacked by larva
Larva

Caryocolum tricolorella
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Gelechiidae
Genus: Caryocolum
Species:
C. tricolorella
Binomial name
Caryocolum tricolorella
(Haworth, 1812)[1]
Synonyms
  • Tinea tricolorella Haworth, 1812
  • Caryocolum tricolorellum
  • Recurvaria contigua Haworth, 1828
  • Anacampsis contigua
  • Gelechia contigua
  • Anacampsis tricolorella
  • Gelechia acernella Herrich-Schaffer, 1854[2]

The wingspan is about 12 mm. Adults are on wing from June to August.[3]

The larvae feed on Cerastium arvense, Stellaria alsine, Stellaria media and Stellaria holostea. They mine the leaves of their host plant. The mine has the form of a full depth gallery, mainly in the base of the leaf, with irregularly scalloped sides. The frass is deposited in the oldest part of the mine. Older larvae live freely between spun terminal shoots.[4] Larvae can be found from December to April. Young larvae are green. Older larvae are dull whitish green with five dull pink length lines and a black head.

References
  1. Fauna Europaea
  2. Huemer, P (1988). "A taxonomic revision of Caryocolum (Lepidoptera: Gelechiidae)". Bulletin of the British Museum (Natural History) Entomology. 57: 439–571.
  3. UKmoths
  4. "bladmineerders.nl". Archived from the original on 2014-07-20. Retrieved 2011-10-24.


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