Related Clues:

• One may be positive that this was the father of all insects
• Positively the first insect of all
• Strong & Co
• One may be positive that he was the first of the first of 10 across
• Positively the father of all insects
• Positive that all insects are descended from this
• Positively the first insect
• Conifer gets grand & Co
• One may be positive that this is the first of the insects
• One may be positive that that's the father of all the insects
• The tree gets grand & Co.
• Stable & Co?
• Irish gentlemen by the thousand do not give way
• Unyielding business concern?
• Not soft or saggy