Yes, the Catchmaster SilenTrap Flying Insect Trap (906) comes with two glueboards. You are also able to purchase the Catchmaster SilenTrap Refill Glue Boards (916) to replace the glueboards as needed.
Yes, the Catchmaster SilenTrap Flying Insect Trap (906) does use the Catchmaster SilenTrap Refill Glue Boards (916). You simply slide the board through the slot on top of the unit.
According to the manufacturer, the Catchmaster SilenTrap Flying Insect Trap (906) is not intentded to be used for yellow jackets, but may be placed outdoors to see if they are attracted. You may want to look at the Catchmaster 912 Gold Stick Fly Traps -Small which are labeled to be used for yellow jackets. Please take a moment to look at our How To Get Rid of Yellow Jackets page for detailed information on yellow jacket control.