Bucculatrix diffusella Menhofer, 1943
mine
At first a narrow corridor with much frass, ending upon a blotch in the tip of a leaf segment. Then the larva leaves the mine and begins to make fleck mines, working from the leaf margin. This activity gives the leaves a transparent, but quickly browning and conspicuous seam.
host plants
Asteraceae, narrowly monophagous
Artemisia maritima.
phenology
Larvae were found from mid-July till in August, but possibly this was a second generation.
distribution within Europe
SW France.
larva
Mining larvae honey coloured yellow with a brown head and pronotum. Free living larvae yellowish olive green, pinacula somewhat lighter, head uniformly brown.
pupa
Illustrated by Menhofer; in a white, ribbed cocoon.
references
Corley, Rosete, Gonçalves ao (2018a), Menhofer (1943a), Hering (1957a).