Lower surface tentiform mine that occupies only part of a leaflet.
In full grown leaves the mine is strongly inflated and is largely
hidden by the leaf. Unlike other species the entire leaflet is not
mined out (Bladmineerders van Europa).
Larva: The larvae of moths have a head capsule and chewing mouthparts with opposable mandibles (see video of a gracillarid larva feeding), six thoracic legs and abdominal legs (see examples).
Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).
Described by Gregor and Patocka (2001a) and Patcoka and Turcáni
(2005); see also King and Murria (2002a). The pupa strongly resembles
the one of Ph. medicaginella, but the 10th abdomen segment
is clearly wider than long (as wide as long in medicaginella)
and the cremaster spines are not notched just before the hooks.
The constancy of these differences remains to be established (Bladmineerders van Europa).
The adult is illustrated in UKMoths. The genitalia are not illustrated by the Lepidoptera
Dissection Group (check for update).
Hosts in Great Britain & Ireland:
of year - larvae:
July and September - October (Bladmineerders van Europa).
of year - adults: Currently unknown.
in Great Britain & Ireland: Britain including ? North Ebudes (VC104),
recorded in the Republic of Ireland (Karsholt and van Nieukerken
in Fauna Europaea). See NDBC interactive map.
NBN Grid Map:
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Distribution elsewhere: Widespread in continental Europe including Austria, Belarus,
Belgium, Bulgaria, Czech Republic, Danish mainland, Estonia, Finland,
French mainland, Germany, Hungary, Italian mainland, Latvia, Lithuania,
Luxembourg, Republic of Moldova, Poland, Romania, Russia - Central,
East, Northwest and South, Slovakia, Spanish mainland, Sweden, Switzerland
and Ukraine. Also recorded in East Palaearctic and Near East (Karsholt
and van Nieukerken in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: