Staghorn Cholla Moth
Common NameStaghorn Cholla Moth
Scientific NameCactobrosis fernaldialis
FamilyPyralidae
SubfamilyPhycitinae
Wingspan (mm)25
Wing Patterncryptic
Primary Colorswhite, grey, brown, greenish
HabitatDeserts, arid and semi-arid scrublands
Geographic RangeSouthwestern United States (Arizona, California, Nevada, New Mexico, Texas, Utah) and northern Mexico
Host PlantsCylindropuntia versicolor, Cylindropuntia fulgida, Cylindropuntia spinosior
Flight PeriodApril to October
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesThe larvae are stem borers, feeding internally within the pads and stems of cholla cacti, often causing galls or significant damage to the host plant. Pupation occurs inside the host plant.
Identification TipsKey identification features include the distinctive white band on the forewing against a mottled background, and its presence in desert regions where cholla cacti are abundant. Look for signs of larval boring or galls on cholla plants.
Description
This moth features a striking forewing pattern with a broad, irregular white band bordered by dark brown or black, contrasting sharply with the mottled grey-brown and greenish scales on the rest of the wing. Its body is robust and hairy, typical of many moths.
