Ctenucha
Guides
Ctenucha cressonana
Cresson's ctenucha
Ctenucha cressonana, commonly known as Cresson's ctenucha, is a moth in the family Erebidae, subfamily Arctiinae. The species was described by Augustus Radcliffe Grote in 1863. It is a member of the genus Ctenucha, a group of tiger moths known for their wasp-mimicking appearance and diurnal activity. The species occurs in the Rocky Mountains of the southwestern United States. Adults have been observed laying eggs on grass blades, though the specific host plant for larval development remains unknown.
Ctenucha multifaria
White-margined Ctenucha Moth
Ctenucha multifaria is a tiger moth in the family Erebidae, occurring in California and western Oregon. It is one of several species in the widespread genus Ctenucha, which are frequently encountered on flowers during late summer and fall. Like other members of its genus, it exhibits wasp-mimicking coloration with metallic blue-black body and contrasting markings. The species was described by Francis Walker in 1854.