Placing lures for two or more target species in a trap should never be done unless otherwise noted here.
The release rate of this lure is highly temperature-dependent. However, CAPS has listed a conservative length of effectiveness that will be effective for even the warmest climates in the CAPS community.
Morphological: Examine specimens under a good quality, high powered (preferably with up to 90X) dissecting microscope, with the help of a reference collection. Use screening aid for relevant geographical area.
Other Scolytinae In the Northeastern U.S.: Ips avulses, Ips perroti, Ips perturbatus, Ips pini, and Ips plastographus.