A reclassification of the species of Linyphia latreille based on the functioning of the genitalia (Araneida, Linyphiidae) Part I. Linyphia Latreille and Neriene Blackwall

CONTENTS Introduction................... 3 History.................... 5 Material.................... 7 Method.................... 9 Functional positions of the genitalia............. 12 Summary and discussion of the functioning of the genitalia...... 22 Taxonomic part Key to the genera................. 26 Linyphia Latreille................. 27 Key to the species................ 30 Neriene Blackwall................. 73 Key to the species................ 77 The Neriene clathrata group............. 84 The Neriene hammeni group............. 124 The Neriene emphana group............. 210 The Neriene radiata group.............. 223 The Neriene peltata group.............. 251 Microlinyphia and Frontinellina............. 284 Discussion of taxonomic part.............. 289 References................... 294 Index..................... 303 INTRODUCTION The genus Linyphia, as it figures in the catalogue of Bonnet, has a worldwide distribution. It has often been a challenge to arachnologists. Menge,