Serpentine Soil Communities of Marin County

Catalog of species of all taxa observed in areas notable for high serpentenite content in the soils:
Mount Tamalpais State Park
Ring Mountain
Carson Ridge and Pine Mountain Road near Fairfax
Others TBD

Baldfaced Hornet

Dolichovespula maculata is a North American wasp commonly called the bald-faced hornet, white-faced hornet, white-tailed hornet, blackjacket or bull wasp. Its well-known features include its hanging paper nests and the females' habit of defending them with repeated stings.

Convergent Lady Beetle

Hippodamia convergens, commonly known as the convergent lady beetle, is one of the most common lady beetles in North America and is found throughout the continent. Aphids form their main diet and they are used for the biological control of these pests.

Eight-spotted Skimmer

The Eight-spotted Skimmer (Libellula forensis) is a dragonfly of the skimmer family.

Flame Skimmer

The Flame Skimmer or Firecracker Skimmer (Libellula saturata) is a common dragonfly of the family Libellulidae, native to western North America.

Blue Dasher

The Blue Dasher (Pachydiplax longipennis) is a dragonfly of the skimmer family. It is common and widely distributed in the United States.

Pacific Spiketail

The Pacific Spiketail (Cordulegaster dorsalis) is a dragonfly in the family Cordulegastridae.

Edited by Todd Plummer, some rights reserved (CC BY-SA)