Monochroa hornigi (Staudinger, 1883) Species
Last modified: Feb. 26, 2024, 6:33 p.m.
First observation for Belgium was in 2015 in OV. A very rare species in the country. Adults are sparsely seen, but where this species occurs, the larva can easily be found.
Details
- Classification
- Family: Gelechiidae > Subfamily: Anomologinae > Genus: Monochroa > Species: Monochroa hornigi
- Vernacular names
- Duizendknoopboegsprietmot (NL), Knotweed Neb, Persicaria Borer (EN), Hornigs Ruderalflur-Palpenfalter, Knöterich-Palpenmotte (DE)
- First mention in Belgium
- De Prins W. 2016. Catalogus van de Belgische Lepidoptera – Catalogue of the Lepidoptera of Belgium. — Entomobrochure 9: 1–279. On page 75.
- Status
-
Native
Distribution
Imago
Wingspan 9–13 mm.
Museum specimens
No pictures yet!Specimens in nature
Genitalia
Caterpillar
Bionomics
The larva mines the stem, often near a node, of the host plant and hibernates in a whitish silken cocoon which is often coated on the outside with frass inside the stem. The larva does not betray its presence externally on the plant.
The adults come to light.
Flight periods
The adults fly from mid-May till late September.
Observed on
- Host plant (species):
- Persicaria hydropiper, Polygonum aviculare and Persicaria lapathifolia
- Host plant (genera):
- Rumex
The larva lives on Persicaria lapathifolia and probably other Persicaria species.
Habitat
It inhabits in suitable localities where the food plant occurs and is found in a wide range of habitats.
