9/14/17: The combination of lures for Tetropium castaneum is also effective for T. fuscum. If Tetropium castaneum is listed as a survey target in a work plan, then T. fuscum must also be listed in the work plan.
All three lures listed are necessary to trap for this species.
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.
Present in U.S.: T. cinnamopterum Not present in U.S.: T. fuscum