deformed wing virus which is brought on by mites. Generally in todays bee world if you have malformed wings it is due to dwv. If in fact it is dwv it may already be to late to treat. I would generally expect to see this in late summer or fall, but if you did not treat last year I would imagine it would be possible for it this time of year. It is also possible that the dead bees out front are also just the usual dead bees this time of year due to house cleaning, but when you mentioned deformed wings dwv is immediately what came to mind and is not a good thing.