As for the ant a bug bomg will only kill the ants in the house. The rest of the colony will be back in a day or so looking for more food. To really rid yourself of the ants you need to destroy the colony. Follow the ants to the source and wait for night fall set off one or more bug bombs directly down the hole. Hopefully this will fumigate the whole colony including the queen. Or at least make the colony move to a new location. Night is the best time as ants all return to the colony and are pretty much inactive and you can get them all.
Now the fleas are a whole 'nother matter. The bug bomb will kill adult, sub-adult fleas but not the eggs residing in your house and yard. Again you may have a day or two of respite but they will be back. The last dying thing adult fleas will do is lay eggs. Farnum/Bio Groom makes a flea spray with IGR(internal growth regulator called BioSpot) this will prevent fleas from reaching adult hood once they hatch. No adult hood=no egg laying. This would have to be sprayed on carpet, wood flooring, baseboards, any place the fleas may go to lay their eggs. The yard can be treated with crystal type of incecticide, used to be able to get Diazanon but that's been taken off the market, I'm not sure what's available now. Check the garden department at your LHIC and read labels for what will kill fleas. Best to use the crystal type as opposed to the liquid, it can be applied with a garden spreader. The crystal has a longer residual effect and will kill the fleas as the eggs hatch. Use according to directions. BTW the dogs need to be bathed and treated with the BioSpot also.
Or you can ignore this post bomb the house and see what happens.
Either way move the snakes/herps out. 
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Hope this helps.
BigT