It takes more than just looking at bugs. You forgot to put what the Plus is.
Passing the general qualifying examination in entomology, and at least one specialty exam, and payment of the required fees. At three-year intervals, Board Certified Entomologists must show evidence of participating in continuing education through a Professional Maintenance and Certification program.
If your 19 year old met all the qualifications, why not.
I happen to be a good test taker and could pass this test with a 70 if I had one week to study for it. I recently took a life insurance exam and used my test taking abilities, scored the highest score this regional testing outfit had all year and I really know almost nothing about life insurance.