A DISSERTATION SUBMITTED TO THE FACULTY OF SClENCE,
UNIVERSITY OF THE WITWATERSRAND, JOHANNESBURG, FOR THE
DEGREE OF DOCTOR OF PHILOSOPHY. / An assemblage of Cretaceous, Diptera, recovered from the
sediments of the Orapa Diamond mine, Botswana, is described.
The fossil Diptera are placed In the following families:
Tipulidae, Empididae, Hybotidae, Bibionidae, and possibly the
Mycetophilidae, Rhagionidae and Anisopodidae. A new pulid
species, Helius botswanensis (Tipulidae, subfamily Limoniinae),
is described; it is the oldest representative of the
subfamily. (Abbreviation abstract) / Andrew Chakane 2019
| Identifer | oai:union.ndltd.org:netd.ac.za/oai:union.ndltd.org:wits/oai:wiredspace.wits.ac.za:10539/26454 |
| Date | January 1990 |
| Creators | Waters, Saskia |
| Source Sets | South African National ETD Portal |
| Language | English |
| Detected Language | English |
| Type | Thesis |
| Format | application/pdf, application/pdf |
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