1. Preface

   • Ian R. Walker

   EditorialNotes Pages: 1 - 1

2. New species of Oukuriella (Diptera: Chironomidae) from Costa Rica

   • J. H. Epler

   OriginalPaper Pages: 3 - 11

3. A new species of Dicrotendipes (Diptera: Chironomidae) from Costa Rica

   • J. H. Epler

   OriginalPaper Pages: 13 - 15

4. Contribution to the knowledge of female west palaearctic Glyptotendipes Kieff. (Diptera, Nematocera, Chironomidae)

   • R. Contreras-Lichtenberg

   OriginalPaper Pages: 17 - 23

5. Cytotaxonomy of Chironomidae (Diptera) from Lake Shabla (Bulgaria): cytogenetic evidence for introgressive hydribization

   • P. V. Michailova

   OriginalPaper Pages: 25 - 42

6. Hemoglobin in Chironomus ramosus (Insecta, Diptera): an electrophoretic study of polymorphism, developmental sequence and interspecific relationship

   • Rishi Das
   • Ruma Handique

   OriginalPaper Pages: 43 - 50

7. The role of glycogen during the ontogenesis of Chironomus anthracinus (Chironomidae, Diptera)

   • Kirsten Hamburger
   • Claus Lindegaard
   • Peter C. Dall

   OriginalPaper Pages: 51 - 59

8. On the relationship between vertical microdistribution and adaptations to oxygen stress in littoral Chironomidae (Diptera)

   • Luc Int Panis
   • Boudewijn Goddeeris
   • Rudolf Verheyen

   OriginalPaper Pages: 61 - 67

9. Analysis of chlordane-impacted streams using chironomid pupal exuviae (Diptera: Chironomidae)

   • Christopher A. Wright
   • Leonard C. Ferrington Jr.
   • Norman H. Crisp

   OriginalPaper Pages: 69 - 77

10. Life cycle of Hydrobaenus kondoi Sæther (Chironomidae) at the middle reaches of the Kiso River, Japan

    • Shigeo Kondo

    OriginalPaper Pages: 79 - 84

11. Emergence of chironomidae from Findley Lake in the coniferous forest of the cascade mountains after early and late thaws

    • Truman Sherk
    • Greg Rau

    OriginalPaper Pages: 85 - 101

12. Distribution and production of chironomids (Diptera: Chironomidae) in a shallow, alkaline lake (Neusiedler See, Austria)

    • Georg Wolfram

    OriginalPaper Pages: 103 - 115

13. Chironomidae from marine coastal environments near St. John's, Newfoundland, Canada

    • Murray H. Colbo

    OriginalPaper Pages: 117 - 122

14. Instar distribution and biomass of Chironomidae larvae in Lago El Junco, Isla San Cristobal, the Galápagos

    • Leonard C. Ferrington Jr
    • Harald E. Pehofer

    OriginalPaper Pages: 123 - 133