Proceedings of the 2nd International Symposium on Trichoptera Proceedings of the 2nd International Symposium on Trichoptera University of Reading, England, 25-29 July 1977 Edited by M. Ian Crichton Springer-Science+Business Media, B.V. 1978 Y Y. Y, B. A, R, E E H, R, A M. Symposium photograph, outside the Palmer Building, University of Reading, July J.O. SOLEM, NANC25 1977: 1. 2. E. WILLIAMS, 3. D.D. WILLIAMS, 4. O.S. FLINT, 5. N. CASPERS, 6. L.W.G. RIGLER, 7. R.A. JENKINS, 8. R.OBERNDORFER. H. ZINTL, A. GOTHBERG, J. LHONORE, KUMANSKI, H. MALICK9. 10. 11. 12. 13. K. J.C. MORSE, N.H. ANDERSON, H.H. ROSS, J. GREENWOOD, JUDITH M. SUTCLIFFE, 14. 15. 16. 17. 18. 19. STATZNER, Jl4ARY A. NORTON, J.P. O'CONNOR, W. WICHARD, N.V. JONES, L.S.W. TERR20. 21. 22. 23. 24. TESSA GIDLOF, J.F. FLANNAGAN, N.E. HICKIN, A. NIELSEN, DOROTHY B. FISHE25. 26. 27. 28. 29. KISS, MARGIT KISS, MATHILDE MARLIER, G. MARLIER, P.C. BARNARD, A. N30.0.1. 31. 32. 33. 34. 35. BOISS, A.P. NIMMO, I.D. WALLACE, R. JEAN CONRAN, RUTH M. BADCOCK, CLAUDIN36. 37. 38. 39. 40. MORElL LON, R.W. BAUMANN, YVETTE BOUVET, C. DENIS, H.B. BUHOLZER, V.H. RES41. 42. 43. 44. 45. MARA MARINKOVIC-GOSPODNETIC, G.B. WIGGINS, ROSEMARY J. MACKAY, E. MARLIE46. 47. 48. 49. M.1. CRICHTON, ELAINE WATTS, FERNANDA CIANFICCONI, G.P. MORETTI, CLAR50. 51. 52. 53. 54. BICCHIERAI, H. TACHET, G.N. PHILIPSON, M.J. WINTERBOURN, A.G. HILDREW, G.55. 56. 57. 58. 59. GISLASON, P.D. HILEY, DENISE L. LHONORE, M. BOURNAUD. 60. 61. 62. ISBN 978-90-481-8516-0 ISBN 978-94-017-2778-5 (eBook) DOI 10.1007/978-94-017-2778-5 ©Springer Science+Business Media Dordrecht 1978 Originally published by Dr. W. Junk b.v.-Publishers-The Hague in 1978 Cover design: Sally Mclntosh, from a drawing by Norman E. Hickin vi Contents Programme vii Demonstrations x Preface xi List of participants xiii Monday, 25 July Morning session Chairman: A. NIELSEN H.H. ROSS The present disposition of components of the Sericostomatidae sens. lat. (Trichoptera). p. 1 G.P. MORETTI & FERNANDA CIANFICCONI The Sericostoma Latr. genus in Italy. p. 7 G. MARLIER Les larves et nymphes des Trichopteres des Seychelles. p. 31 M.J. WINTERBOURN The food and occurrence of larval Rhyacophilidae and Polycentropodidae in two New Zealand rivers. p. 55 A. NEBOISS Atriplectididae, a new caddisfly family (Trichoptera: Atriplectidi dae). p. 67 Afternoon session Chairman: H. MALICKY L.S.W. TERRA First results of Trichoptera collecting with light traps at Vila do Conde (Portugal) p. 75 MARA MARINKOVIC-GOSPODNETIC Some characteristics of the Yugoslav fauna of Trichoptera. p. 83 0.1. KISS (presented by MARGIT KISS) On the Trichoptera fauna of the Biikk Mountains, N. Hungary. p. 89 K. KUMANSKI A progress report on studies and some characteristics of the Bul garian caddis fauna. p. 103 vii Tuesday, 26 July Morning session Chairman: O.S. FLINT C. DENIS Larval and imaginal diapauses in Limnephilidae. p. 109 YVETTE BOUVET Adaptations physiologiques et comportementales des Steno phylax (Limnephilidae) aux eaux temporaires. p. 117 B. STATZNER The effects of flight behaviour on the larval abundance of Trichop tera in Schierenseebrooks (North Germany). p. 121 O.M. GISLASON Flight periods and ovarian maturation in Trichoptera in Iceland. p.135 A. OOTHBERG Flight activity of Trichoptera imagines. (abstract only) p. 147 Afternoon session Chairman: G. MARLIER H.B. BUHOLZER An application of the linear discriminant function and a multi variate analysis to caddis larvae taxonomy. p. 149 H. MALICKY The taxonomic significance of eye proportions in adult caddisflies. p.155 A. NIELSEN The genitalia of female Trichoptera. p. 159 P.J. BOON (presented by I.D. WALLACE) The use of ventral sclerites in the taxo nomy of larval hydropsychids. p. 165 RUTH M. BADCOCK Taxonomic controversies in the Hydropsychidae. p. 175 Wednesday, 27 July Morning session Chairman: H.H. ROSS J.F. FLANNAGAN Emergence of caddisflies from the Roseau River, Manitoba. p.183 J.C. MORSE Evolution of the caddis fly genus Ceraclea in Africa: implications for the age of Leptoceridae (Trichoptera). p. 199 I.D. WALLACE & G.B. WIGGINS Observations on the larva and pupa of the caddisfly genus Hagenella (Trichoptera: Phryganeidae). p. 207 O.S. FLINT Probable origins of the West Indian Trichoptera and Odonata faunas. p.215 L. BOTOSANEANU (not presented) Les Trichopteres de Cuba: faunistique, affi nites, distribution, ecologie. p. 225 J.O. SOLEM Species diversity of Trichoptera communities. p. 231 viii Thursday, 28 July Morning session Chairman: J.M. EDINGTON G.N. PHILIPSON The undulatory behaviour oflarvae of Hydropsyche pellucidula Curtis and Hydropsyche siltalai Dohler. p. 241 H. ZINTL & GISELA STAMMEL House-building with panels: distribution of building activities for day and night, and intervals between activities, in the larva of Potamophylax latipennis (Curt.) (Trichoptera: Limnephilidae) p. 249 N.V. JONES, M.R. LITTERICK & R.G. PEARSON Stream flow and the behav iour of caddis larvae. p. 259 ROSEMARY J. MACKAY & G.B. WIGGINS Concepts of evolutionary ecology in Nearctic Trichoptera. (abstract only). p. 267 A.G. HILDREW Ecological aspects of life history in some net-spinning Trichop tera. p. 269 C.R. TOWNSEND & A.G. HILDREW Predation strategy and resource utilisation by Plectrocnemia conspersa (Curtis) (Trichoptera: Polycentropodidae). p. 283 Afternoon session Chairman: G.N. PHILIPSON W. WICHARD Structure and function of the tracheal gills of Molanna angustata Curt. p. 293 P.D. HILEY Some aspects of the life histories of Limnephilidae (Trichoptera) related to the distribution of their larvae. p. 297 J.P. O'CONNOR A progress report on studies of Irish Trichoptera. p. 303 L.W.G. HIGLER Observations on caddis larvae in Stratiotes vegetation. p. 309 N.H. ANDERSON Continuous rearing of the limnephilid, Clistoronia magnifica (Banks). p. 317 Friday, 29 July Morning session Chairman: G.B. WIGGINS V.H. RESH Preliminary observations on spatial distribution patterns of stream caddisfly popUlations. p. 331 I.D. WALLACE Problems concerning some previous descriptions of larvae of Ce raclea fulva (Ram bur) and C. senilis (Burmeister) (Trichoptera: Leptoceridae). p.337 ix Demonstrations The following demonstrations were on display in the Department of Zoology during the Symposium: P.C. BARNARD: (1) Scent organs in Trichoptera. (2) Emergence of Rhyacophila dorsalis (Curt.) C. DENIS: (1) Labial morphology of trichopteran larvae; morphology of the silk threads. (2) Organization of the Malpighian tubules in Glossosomatidae and Hy droptilidae. N.E. HICKIN: The scraper board technique for biological illustration. G.P. MORETTI, FERNANDA CIANFICCONI & CLARA BICCHIERAI: Scent organs in some species of male Trichoptera. H. TACHET: Differences in the ornamentation of the larval head capsules of Hy dropsyche siltalai DOHLER and H. angustipennis (CURT.) Author index p.347 Subject index p.351 x