Boisduval's Grass Yellow
Common NameBoisduval's Grass Yellow
Scientific NameEurema boisduvaliana
FamilyPieridae
SubfamilyColiadinae
Wingspan (mm)38
Wing Patternsolid
Primary Colorsyellow, brown
HabitatOpen areas, grasslands, forest edges, disturbed areas
Geographic RangeCentral America, South America, Mexico, occasionally southern Texas
Host PlantsSenna spp., Mimosa spp., Desmodium spp.
Flight PeriodYear-round in tropical regions; spring to fall in subtropical areas
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesUndergoes complete metamorphosis; eggs are laid on host plants, larvae feed on legumes, and pupate into a chrysalis before emerging as an adult butterfly.
Identification TipsDistinguished by its bright yellow color, relatively rounded forewing apex, and the subtle brown markings or dusting on the underside, which can vary but are key to differentiating it from other similar 'grass yellow' species.
Description
This small to medium-sized butterfly is predominantly bright yellow, with the underside often showing a paler yellow hue and faint brown dusting or mottling, particularly towards the forewing apex.
