pierid: any of numerous pale-colored butterflies having three pairs of well-developed legs
butterfly: diurnal insect typically having a slender body with knobbed antennae and broad colorful wings
cephalexin: an oral cephalosporin (trade names Keflex and Keflin and Keftab) commonly prescribe for mild to moderately severe infections of the skin or ears or throat or lungs or urinary tract