syrphid /səɹfɪd/adjective 1noun 1forms 3 adjective1 •Of or pertaining to flies of the family Syrphidae. noun1 •Any species of the hoverfly family Syrphidae.Because they are strong fliers and able to hover and inspect foliage for aphids, syrphids may be especially good at locating aphid colonies. — 2008 formssyrphids · more syrphid · most syrphid