Prochoreutis sehestediana
Prochoreutis sehestediana
Adult • Nantyffyllon,Glamorgan • © Paul Parsons

48.003 BF387

Prochoreutis sehestediana

(Fabricius, [1777])

Wingspan 9-12 mm.

For many years Prochoreutis myllerana (Fabricius, 1794) was regarded as a junior synonym of Prochoreutis sehestediana (Fabricius, [1777]). However, in 1939 it was once again recognised as a disctinct species. The two are very alike in outward appearance, although there are some subtle differences, including the area of white dusting which extends more than half way across the forewing in P. sehestediana. Genitalia dissection is generally recommended though, for confirmation of species.

The distribution is confused by early records before the species were split, but it is known to occur in southern England as well as parts of Scotland.

The adults fly during the daytime in two generations; in May and again in July and August.

Skullcap (Scutellaria galericulata) and lesser skullcap (S. minor) are the foodplants, the larvae feeding amongst the leaves in a silken web.

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