Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

squamosus group


Ontario Field Naturalist's Toolchest
Mostly a guide to assist in identifying anything in Ontario. The majority of the website consists of books and links. For books I have provided a book cover image, a link to Google Books (and other relevant links), and a brief description. Books are approximately ordered with the easiest and most useful resources first. Other features of the website include sections on gear, field naturalists clubs, volunteering opportunities, forums, quizzes and more.

The three pages on bugs include mostly the most accessible field guides and web sites that are described on bugguide.net, and should be easier to browse. If you are living in Ontario or in a nearby province or state this site may be useful.

Bark and Ambrosia Beetles
Bark and Ambrosia beetles: Regional checklists (Southeastern U.S., Mexico), SEM and optical microscopy images of many North American and Neotropical species. Site created and maintained by T.H. Atkinson.

Mr. D's Insect Page
Part of a teacher resource website; Mr. D's insect page includes PowerPoint presentations to aid in the identification of some major insect orders, useful links to other insect websites as well as a few pictures.

Illinois Dept. of Public Health
IDPH entomologists accept specimens (insects, spiders, ticks, etc.) for identification from Illinois residents.

1 Submit specimens in leak-proof, crush-resistant containers. If possible, do not tape or glue specimens.
2 Certain specimens (e.g., ticks, insect larvae) should be in 70% ethanol or isopropyl (rubbing) alcohol.
3 Mail specimens in crush-proof containers (plastic vials, med/specimen bottles, boxes, etc.) sealed inside plastic bags.
4 Specimens will be identified, but not tested for the presence of pathogens or disease.
5 Most specimens are identified and a written report mailed the same day they are received.

Centers for Disease Control and Prevention (CDC) Pictorial Keys to Arthropods (and other animals) of Public Health Significance
Although this series of pictorial keys is focused on animals that affect human health, the keys are quite general and would seem to be useful to Bug Guide contributors. There is a general key to arthropod orders and then a series of separate keys for many of the individual groups. Comments welcome.

University of California Statewide Integrated Pest Management Program
IPM is a system of dealing with pests that uses information about them to control them in a variety of ways- not just pesticides, but physical barriers, changes in farming/gardening practices, biological control, etc. All of these are supposed to be integrated so they reinforce each other.

Because IPM is based on knowledge about the pests, IPM references tend to have a great deal of useful and interesting information about the species covered. This site is no exception- The "Pest Notes", especially, are very informative and cover a wide variety of bugs (among other types of pests).

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CritterZone Nature Photography
CritterZone offers high quality photography of the natural world, including insects and arachnids. Subjects are listed in galleries classified by common English names. The site is useful as a guide to common North American insects.

North Dakota State University - Entomology
The Entomology Department at North Dakota State University has some excellent identification keys, tiger beetles, flea beetles and moths to name a few. well done images for easy ID's