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Consumer-brand foggers or bug bombs are considered safe overall. Still, it's essential to read the instructions carefully as the vacating time varies depending on the type of bug bomb you use. Most of the time, it's advised that all humans and pets are out of the area for at least two to four hours after initiating the fogger process. It's also a good idea to vent the space by cracking open some windows for several hours after you're back inside.

It can be difficult to know what type of animal is in your attic until you see it. But several clues can help you narrow down the suspects:

• Sounds: Smaller animals like rats and mice make scurrying and tapping/gnawing sounds. Larger animals like raccoons and opossums make louder clambering noises. Also, note when animals are noisy: Squirrels are active during the day, while rats are busiest at night.

• Droppings: Rats and mice leave small, rice-shaped droppings (the rat’s version is significantly larger). Bigger droppings belong to larger critters like raccoons. As long as you’re not squeamish, an image search can help you identify what you’re seeing in your attic.

When in doubt, take photos of damage or other evidence and show them to an experienced pest control pro.

There are several ways to make your yard a less attractive habitat for moles. Protect your garden beds by installing a fence or other barrier about 2 to 3 feet deep around your garden.

Moles eat insects, so grub removal is another important way to prevent moles from destroying your yard.

Likewise, remove tree stumps, dead leaves, and other debris that attract insects to your lawn. Some plants will deter moles as well, including daffodils, marigolds, crown imperial, and alliums, like garlic or onions.

Naturally occurring EPA-registered Bti products are an effective way to kill off mosquitoes at the larval stage. And, although they won’t wipe them out, there are lots of natural repellents that make your yard less attractive to mosquitoes. Try planting some marigolds, lemon thyme, or other plants they’ll steer clear of, light a citronella candle or two, or lay some bug-offensive cedar mulch.