WordNet sense 1 (a long needle with an eye large enough for heavy darning or embroidery thread):

embroidery needle

WordNet sense 2 (slender-bodied non-stinging insect having iridescent wings that are outspread at rest; adults and nymphs feed on mosquitoes etc.):

dragonfly, sewing needle, devil's darning needle, skeeter hawk, snake doctor, snake feeder, mosquito hawk