Insect Info Sheets

Learn about common California insects and arachnids

Whether it is your back yard or bath tub, insects can be found all over. Click on the image and a fact sheet will open up on some of the most common ones people encounter. This is the culmination of over 40 years of answering questions from the general public. We always welcome new suggestions for information sheets. Contact us with your ideas!
 

Ants

Fire Ants

Argentine Ants

Beetles

Carpet Beetle

Darkling Beetles

Wasp/Bee

Carpenter Bees

Horntail Wasps

Flies

No-See-Um

Butterflies/Moths

Clothes moths

Pipevine Swallowtail

Tiger Swallowtail

Tomato Hornworm

Indian Meal Moth

Monarch Butterfly

True Bugs

Aphids

Woolly Aphids

Boxelder Bugs

Leaf-footed Bug

Other Insects

Earwigs

Termites

Lice

Jerusalem Cricket

Kissing Bugs

American Cockroach

Fleas

Silverfish

Exotic Roaches of CA

Spiders

Widow Spider

Mites/Ticks

Other Non-Insects

Sun Scorpions

Sowbugs

Springtails

House Centipedes

Scorpions

Misc Info Sheets