I don't have a suggestion for dealing with them, but you wouldn't believe the number of string trimmers I've had come into the shop with a complaint of not revving up, and the reason was mud daubers had stopped up the exhaust outlet.
"Forget pounds and ounces, I'm figuring displacement!"
If we accept that: MBG(+)FGSF(=)HBG(F1)
And we surmise that: BG(>)HBG(F1) while GSF(<)HBG(F1)
Would it hold true that: HBG(F1)(+)AM500(x)q.d.(=)1.5lbGRWT?
PB answer: It depends.
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