Small hive beetles are known to cause damage to your honey and beehive boxes. Protect your bees and honeycombs from these destructive pests by using the Rural 365 | Reusable Hive Beetle Trap Beekeeping Supplies 10 Piece Beetle Barn Trap Set. Each of these bee hive beetle traps measure at 3 by 3.7 by .3 inches and open to 7.3 inches. 1.2 by 1.2-inch inner bait zone allows for easy loading. Check your local and state laws to ensure you are using approved bait options for beehives. Small black beetles fit through the (4) small .5 by .2 inch entrance holes to access the bait, while bees cannot. Simply dispose of poisoned beetles and reuse trap as needed. Bait not included with plastic bee hives treatment beetle buster traps. WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.