Possible Clues:

• Bronze aboard ship in main
• Crucial
• Noted compiler's left a note, oddly
• A matter of moment to get an insect into the country
• Chief's armpit not fresh
• It's vital to bring in a worker
• It's of great concern to get an insect into the country
• Bring in a book of great significance
• Significant, valuable
• It's no trivial matter to get an insect into the country