An insect attractant composition is disclosed. The composition includes a volatile insect attractant chemical blend comprising acetic acid and one or more compounds selected from the short chain alcohol group chosen from among methyl- 1-butanol, isobutanol, and 2-methyl-2-propanol and one or more homo- or mono- terpene herbivore-induced plant volatiles chosen from among (E)-4,8-dimethyl-l,3,7-nonatriene, (Z)-4,8-dimethyl- 1,3,7-nonatriene, 4,8, 12-trimethyl- 1,3E,7E, 11 -tridecatetraene, trans-β-ocimene, ds-P-ocimene, iraws-a-ocimene, ds-a-ocimene, and any combination thereof. The composition may be useful to attract one or more insect species, including, but not limited to, wasps, hornets, and yellowjackets, to a location or trap.