Rambur's Diasemiopsis
Common NameRambur's Diasemiopsis
Scientific NameDiasemiopsis ramburialis
FamilyCrambidae
SubfamilySpilomelinae
Wingspan (mm)20
Wing Patterncryptic
Primary Colorsblack, white, brown
HabitatWetlands, marshes, ponds, and other damp areas with aquatic vegetation
Geographic RangeWidespread in the Old World tropics and subtropics, including parts of Europe, Africa, Asia, and Australia. It is a migrant in some temperate regions.
Host PlantsNymphaea, Potamogeton, other aquatic plants
Flight PeriodMay to October (multiple generations in temperate regions, year-round in tropics)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are aquatic or semi-aquatic, feeding on the leaves of submerged or floating host plants. Pupation occurs in a cocoon, often attached to the host plant.
Identification TipsLook for the distinctive mottled pattern of dark and light bands on the forewings, which is characteristic of this species. Its association with aquatic habitats is also a key indicator.
Description
A small moth with broad, somewhat triangular wings featuring a complex, mottled pattern of dark brown to black bands and white or pale grey patches, giving it a cryptic appearance. The antennae are long and slender.
