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#>Details of mine unknown.
Cricotopus
trifasciatus (Meigen) [Chironomidae].
1>
Blotch mine.
Pegomya
setaria (Meigen) [Anthomyiidae].
->Leaf mine.
2.
2>
Leaf mine. Linear mine, becoming a blotch. Two or more larvae feeding
together. Frass in lines.
Pegomya
solennis (Meigen) [Anthomyiidae].
->Leaf mine. Mine begins with a broad corridor, which is rather transparent,
widening itself then becoming a dorsal or ventral, greenish blotch,
which later, depending on the size of the leaf, can become, in places,
full depth and transparent. Ample black frass scattered in the mine.
Puparium Reddish brown, in the soil. The r ecord on Polygonum
requires confirmation.
Pegomya
betae (Curtis) [Anthomyiidae].
->Leaf mine. Large upper side blotch or blister mine, which can start
with a short corridor. In small leaves the mine can be full depth
in places. Often several larvae in a mine; frass irregularly scattered
in large lumps. Pupation external.
Pegomya
bicolor (Wiedemann) [Anthomyiidae].
->Irregularly formed mine, very shallow and as a result, whitish
in colour. In broad leaved plants frequently star-shaped and sometimes
a very shallow corridor. In grasses the mine frequently starts
in the leaf sheath. The frass is finely grained, initially irregularly
spread, later in clumps. The larva may mine more than one leaf.
Pupation in separate mine (sometimes even on another plant) without
frass. Puparium whitish to dark grey
Hydrellia
griseola (Fallén) [Ephydridae].
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