Durham E-Theses The feeding ecology of certain larvae in the genus tipula (Tipulidae, Diptera), with special reference to their utilisation of Bryophytes Todd, Catherine Mary How to cite: Todd, Catherine Mary (1993) The feeding ecology of certain larvae in the genus tipula (Tipulidae, Diptera), with special reference to their utilisation of Bryophytes, Durham theses, Durham University. Available at Durham E-Theses Online: http://etheses.dur.ac.uk/5699/ Use policy The full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-prot purposes provided that: • a full bibliographic reference is made to the original source • a link is made to the metadata record in Durham E-Theses • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders. Please consult the full Durham E-Theses policy for further details. Academic Support Oce, Durham University, University Oce, Old Elvet, Durham DH1 3HP e-mail:
[email protected] Tel: +44 0191 334 6107 http://etheses.dur.ac.uk 2 THE FEEDING ECOLOGY OF CERTAIN LARVAE IN THE GENUS TIPULA (TIPULIDAE, DIPTERA), WITH SPECIAL REFERENCE TO THEIR UTILISATION OF BRYOPHYTES Catherine Mary Todd B.Sc. (London), M.Sc. (Durham) The copyright of this thesis rests with the author. No quotation from it should be published without his prior written consent and information derived from it should be acknowledged. A thesis presented in candidature for the degree of Doctor of Philosophy in the University of Durham, 1993 FEB t99^ Abstract Bryophytes are rarely used as a food source by any animal species, but the genus Tipula (Diptera, Tipulidae) contains some of the few insect species able to feed, and complete their life-cycle, on bryophytes.