Sequoia
Guides
Illinoia morrisoni
Sequoia Aphid
Illinoia morrisoni is an aphid species in the family Aphididae, first described by Swain in 1918. The species is commonly known as the Sequoia Aphid. It has been recorded from Chile across multiple regions, with additional distribution records from Belgium (doubtful) and France. The species belongs to the genus Illinoia, which comprises aphids primarily associated with coniferous hosts.
Phloeosinus sequoiae
Redwood Bark Beetle
Phloeosinus sequoiae is a small bark beetle in the family Curculionidae, commonly known as the Redwood Bark Beetle. The species was described by Hopkins in 1903 and is associated with Sequoia and Sequoiadendron species. It belongs to a genus of crenulate bark beetles that tunnel beneath bark of conifers.
Phymatodes nitidus
sequoia cone borer
Phymatodes nitidus is a longhorn beetle (family Cerambycidae) native to western North America. The species is notable for its specialized reproductive association with conifers, specifically laying eggs on giant sequoia and coast redwood cones. Larvae burrow into these cones to develop. The species was described by LeConte in 1874. Phymatodes mojavensis was synonymized under P. nitidus in 2010.