Pyralidae

62.0151 Thyme Knot-horn Delplanqueia inscriptella Duponchel, 1836

Unknown / Resident

Similar species: 62.015 Delplanqueia dilutella

Forewing: 8 to 10.5mm

Habitats: Calcareous grassland and downland, cliffs, quarries and sand-dunes.

Habits: The moth is easily disturbed by day. It flies in the evening and comes to light.

Foodplant: The larva is thought to overwinter while small. In the spring it feeds on Wild Thyme or Breckland Thyme from a silk gallery that flows through the plant and over adjacent stones. It has an association with the yellow ant Lasius flavus. It pupates in the silk tube, in the earth or in the leaf litter.