Title page for ETD etd-11042005-122348


Type of Document Dissertation
Author Cline, Andrew R.
Author's Email Address acline2@lsu.edu
URN etd-11042005-122348
Title Revision of Pocadius Erichson (Coleoptera: Nitidulidae)
Degree Doctor of Philosophy (Ph.D.)
Department Entomology
Advisory Committee
Advisor Name Title
Christopher Carlton Committee Chair
Dorothy Prowell Committee Member
Mark Hafner Committee Member
Meredith Blackwell Committee Member
Daniel Burba Dean's Representative
Keywords
  • coleoptera
  • nitidulidae
  • pocadius
  • taxonomy
  • systematics
Date of Defense 2005-10-21
Availability unrestricted
Abstract
A revision of Pocadius Erichson (Coleoptera: Nitidulidae) was completed. A total of 46 species were (re)described, including 25 new species, a key to species constructed, and phylogenetic analysis performed. Taxonomic changes, including nomenclatural emendations, reinstatement of species, and description of new taxa, within this dissertation do not constitute formal changes as defined by the International Code of Zoological Nomenclature. Illustrations of the genitalia, key characters, and dorsal habitus of species are provided. The phylogeny demonstrates a monophyletic Pocadius. The phylogeny suggests a Palearctic origin of the genus with subsequent speciation into the Old World tropics and New World. Host specialization on gasteromycetes fungi by Pocadius species was shown not to be obligate but rather facultative. Some sympatric species were shown to have temporally disjunct occurrences that may provide reproductive isolation.
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