A Photo-Gallery and Field Guide to the

Arthropods (Insects, Spiders, Crustaceans and their relatives)

of Orange County, California, (and nearby places)

(Animation by Lisa Konrad)

Compiled and photographed by Peter J. Bryant,
School of Biological Sciences, University of California, Irvine, Irvine, CA92717
Ron Hemberger and others
Click on image or title to open the page for that group. The number of illustrated species (not the total living in the County) is indicated. Total 794 species.

Insects with no metamorphosis Insects with incomplete metamorphosis (egg-aquatic larva-adult)

Apterygotes (Primitively Wingless Insects). 8 spp.
Ephemeroptera (Mayflies). 3 sp.
Odonata - Darners (Aeshnidae) and Skimmers (Libellulidae). 14 spp.
Odonata - Damselflies. 4 spp.
Plecoptera (Stoneflies) . 1 sp.
Insects with gradual metamorphosis (egg-nymph-adult)

Heteroptera (True Bugs). 53 spp.
Homoptera (Whiteflies, cicadas, hoppers, aphids etc). 23 spp.
Orthoptera - Acrididae (Hoppers).
7 spp.

Orthoptera - Gryllidae (Crickets).
1 sp.
Orthoptera- Stenopelmatidae (Jerusalem Crickets). 1 sp.

Orthoptera - Tettigoniidae (Katydids). 4 spp.
Orthoptera - Blattidae (Roaches).
2 sp.
Orthoptera - Mantidae (Mantids).
2 spp.
Isoptera (Termites). 2 sp.
Psocoptera (Barklice and Booklice). 1 sp.

Embiidina (Webspinners). 1 sp.
Dermaptera (Earwigs). 2 sp.
Thysanoptera (Thrips). 2 sp.
(metamorphosis sometimes called intermediate) 		   
Insects with complete metamorphosis (egg-larva-pupa-adult)

Neuroptera (Antlions and Lacewings). 10 spp.
Coleoptera (Beetles). 108 spp.
Hymenoptera - Ants. 12 spp.
Hymenoptera - Wasps. 77 spp.

Hymenoptera - Bees and sawflies. 46 spp.

Lepidoptera - Butterflies. 70 spp.
Lepidoptera - Moths. 50 spp.
Diptera - Nematocera (Flies with long antennae). 15 spp.
Diptera -Brachycera (Flies with short antennae). 153 spp.
Siphonaptera - Fleas. 1 sp.
Crustacea

Crustacea - Amphipods. 9 spp.
Crustacea - Barnacles. 4 spp.


Crustacea - Water Fleas. 1 sp.


Crustacea - Copepods. 1 sp.
Crustacea: Ostracods. 1 sp.

Crustacea - Isopods. 8 spp.
Crustacea - Lobsters, shrimp and Crayfish. 2 spp.
Crustacea - Crabs. 8 spp. 		   
Arachnids

Spiders. 65 spp.
Scorpions. 3 spp.
Pseudoscorpions. 1 sp.
Sun Spiders. 1 sp.
Daddy Longlegs. 1 sp.

Ticks. 2 spp.
Mites. 3 sp. 		     
Other Arthropods

Millipedes. 2 sp.

Centipedes. 6 sp.
Pycnogonids. 3 sp. 		   
Back to Natural History of Orange County, California

If you want to help develop this site, or if you have comments or suggestions, please contact:
Dr. Peter J. Bryant (pjbryant@uci.edu)
School of Biological Sciences
University of California, Irvine
Irvine, CA 92717, USA
Phone (949) 824-4714 Fax (949) 824-3571