Appearance
The wings of this species are buffish yellow and are typically marked with a diagonal row of dark spots on the forewing and a few other scattered spots on both forewings and hindwings. The extent of black markings varies considerably, however, from almost spotless examples to largely black melanic forms. The wingspan is 34–42 mm. The species flies from May to July in the British Isles. This may vary in other parts of the range. It is attracted to light.
Naming
*"Spilarctia lutea lutea"⤷ "Spilarctia lutea adzharica" Dubatolov, 2007
⤷ "Spilarctia lutea japonica"
⤷ "Spilarctia lutea rhodosoma" Sicily, the black of the upperside is increased by a larger number of the spots; but especially distinguished by the bright red abdomen.
Food
Some larval food plants include:⤷ "Alnus" – alder
⤷ "Mentha" – mint
⤷ "Plantago" – plantain
⤷ "Quercus" – oak
⤷ "Rheum" – rhubarb
⤷ "Ribes" – currant
⤷ "Rubus" – raspberry
⤷ "Rumex" – dock/sorrel
⤷ "Senecio" – ragwort
⤷ "Urtica" – nettle
⤷ "Lonicera" – honeysuckle
⤷ "Humulus " – hops
References:
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