- Subfamily: Pyraustinae
- Wingspan: 29-37 mm
- Flight period: Ago - Oct
- Spread: Common
- Host plants: Fabaceae
The Uresiphita gilvata also called Yellow Under Pearl is a moth of the Crambidae family, subfamily Pyraustinae, with a wingspan of 29-37 mm.
In Europe it is widespread but absent from Ireland, the Scandinavian peninsula and the Baltic countries. In Italy it is also present in the islands. *
The front wings are brown / hazel colored. Two serrated lines cross the wing; the first of a curved course between the basal and discal regions, the second in the postdiscal region. Both lines usually have lighter shades (from brown to off-white), the one towards the outer edge can become a real band.
Two brown spots are visible in the band between the two lines. The largest spot can stretch to the line in the post-discal region. The hind wings are yellow - orange with a brown band along the margin.
Palpi head and thorax are brown / hazel, while the adome is yellowish brown.
The Uresiphita gilvata flies from August to October depending on its position, it prefers stony limestone soils.
The larvae are black with a whitish dorsal band and yellow lateral bands, the head is black, sparse white hairs are visible all over the body. ** The pupa contained within a silky cocoon has an elongated shape and is reddish brown. *
The larvae feed on Fabaceae such as Chamaecytisus sp., Cytisus sp., Genista sp., And Ulex sp ..
* Lepidoptera mundi https://lepidoptera.eu/ - Fauna Europea https://fauna-eu.org/
** Bestimmungshilfe für die in Europa nachgewiesenen Schmetterlingsarten - http://lepiforum.de/