Sequoiadesmus, n. gen.

Type species. S. krejcae, n. sp.

Diagnosis. Metatergal setae acuminate, scattered or in vague, irregular rows, never clavate and in four distinct rows. Process B irregularly laminate for most of length. extending caudad distally, apically expanded and subbifurcate; solenomere long and curvilinear, becoming progressively narrower distad, with shorter, subacuminate basal branch.

Distribution. At present known only from a single species found in limestone caves in Sequoia National Park, Tulare Co., California; may also occur in adjacent Kings Canyon National Park.

Etymology. The generic name reflects the form's occurrence in SNP near Giant Sequoia trees, Sequoiadendron giganteum, the world's largest living organisms.