The NSS Bulletin - ISSN 1090-6924
Volume 39 Number 3: 80-89 - July 1977

A publication of the National Speleological Society

Invertebrate Faunas of Caves to be Inudated by the Meramec Park Lake in Eastern Missouri
John L. Craig


Ninety-eight species of invertebrates, representing 27 orders, were found in 15 caves in the area to be inundated by the Meramec Park Lake, Missouri. Nine species in 5 orders are troglobitic. At least 4 undescribed species were found: an amphipod, a pseudoscorpion, a collembolan, and a campodeid dipluran (the first record for Haplocampa from Missouri). Data concerning habitats, feeding habits, associations, communities, distribution, and endangered populations of some species are presented.

Over 50 percent of the known populations of 2 troglobitic species and the type locality of 2 other species may be destroyed by the reservoir. Allocrangonyx hubrichti is considered to be an endangered species; Fontigens aldrichi, Stygobromus n. sp., and Haplocampa n. sp. are considered to be threatened species; and Stygobromus onondagaensis has been recommended for "watch" status.

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