Albert Barnes Commentary Judges 8:1

"And the men of Ephraim said unto him, Why hast thou served us thus, that thou calledst us not, when thou wentest to fight with Midian? And they did chide with him sharply." — Judges 8:1 (ASV)

The success of Gideon’s enterprise mortified the pride of Ephraim, as the chief tribe, seeing that they had played a subordinate part. .