The others involved in this operation mainly play a supporting role. Even if they encounter the Insect King, it would be difficult for them to kill it under the protection of the army of insects.
Rest assured, as long as you can keep the locusts out of the Southeastern Province, or kill all the Kings in the swarm, there will be rewards for you.
Ordinary wealth, I presume you all don't care much about. At the end, you can exchange your contributions for some valuable cultivation resources from the Governor's Mansion.
The complete list is here. If you want something not on the list, as long as it's available in the Southeastern Province, I can also help negotiate, but I can't guarantee that we will definitely get it."
Upon hearing Earl Piers' speech, Hudson immediately understood. No wonder the bounty for killing an Insect King is only a mere 1,000 Gold Coins. Ordinary people simply can't complete such a task.