Caloptilia fidella (Reutti, 1853) Species
Last modified: Sept. 14, 2023, 2:47 p.m.
First arrival in Belgium in 2009. Since then, it has spread mainly over the north and east of the country and it is now fairly common.
Details
- Classification
- Family: Gracillariidae > Subfamily: Gracillariinae > Tribus: Gracillariini > Genus: Caloptilia > Species: Caloptilia fidella
- Vernacular names
- Hopsteltmot (NL), Hopfen-Blatttütenfalter (DE)
- First mention in Belgium
- Baugnée J.-Y. & De Prins W. 2010. Caloptilia fidella (Lepidoptera: Gracillariidae), a new leafminer to the Belgian fauna. — Phegea 38(2): 71–73. On page 71. view page
- Status
-
Native
Distribution
Imago
Ground colour of forewings dark greyish brown, a dirty white or yellowish dot in the middle of the costa, extending towards the apex.
Museum specimens
Specimens in nature
Caterpillar
Greenish with very light brown head capsule.
Mine
A very small, triangular, blotch mine in a vein axil. Part of the frass is ejected, what remains lies scattered in the mine.
See also gracillariidae.net and bladmineerders.be.
Cocoon/pupa
Pupation under a white, silken cocoon on the underside of a leaf.
Bionomics
Freely living instars live under consecutively three leaf margins or leaf lobes that are rolled downwards.
The species hibernates in the adult stage.
Flight periods
The adults fly in two generations a year: during June and from late August till May of the following year.
Observed on
- Host plant (species):
- Humulus lupulus
The larva feeds on Humulus lupulus and on the introduced Celtis australis.
Habitat
Gardens and hedge rows where Humulus lupulus grows.
