An insect in the answer

[hoboken]

Does anyone know what this phrase might be.

'1950's enthusiastic advertising'. The answer has three words (3, 4, 5)

It must have the name of an insect in the answer

[mrs mop]

The bee's knees

[Peter Pedant]

and the enthusaistic advertisinig with an insect in the answer would be

oh mY Dry Fly !

Dry Fly Sherry was v popular in the 50s

Sky high Dry Fly - mile high dry fly - so dry dry fly
went on and on very successfully