Phtheochroa riscana
Common NamePhtheochroa riscana
Scientific NamePhtheochroa riscana
FamilyTortricidae
SubfamilyTortricinae
Wingspan (mm)18
Wing Patterncryptic
Primary Colorsbrown, tan, dark brown
HabitatDry grasslands, scrubland, open woodlands
Geographic RangeSouthern and Central Europe
Host PlantsCentaurea spp.
Flight PeriodMay to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae bore into the flowerheads or stems of Centaurea species, feeding internally. Pupation occurs within the plant or in the soil.
Identification TipsDistinguished by its small size, the specific mottled brown and tan forewing pattern, and its association with Centaurea host plants. Genitalia examination may be required for definitive identification from similar species.
Description
A small moth with cryptically patterned forewings, featuring a mottled mix of light tan, ochre, and various shades of brown, often with a prominent darker brown central fascia and basal patch.
