<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Wallace, J. B.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Some aspects of net-spinning trichopteran diversity.</style></title><secondary-title><style face="normal" font="default" size="100%">Discovery processes and scientific productivity: symposium celebrating the 20th anniversary of the Department of Entomology at Virginia Polytechnic Institute and State University</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">CWT</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1982</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://cwt33.ecology.uga.edu/publications/306.pdf</style></url></web-urls></urls><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">Nets spun by larvae of the Hydropsychoidea are used to capture drifting food materials in streams. Nets allow these filter feeders to exploit food materials which are produced in many diverse habitats and made available to them by the current.  Both net area and mesh size differ among species and instars within species. This fundamental adaptation has important implications that relate to space, food and temporal variations in life cycles. Large meshed capture nets are located in higher current velocities than smaller meshed nets.  Faster velocities are associated with increased carnivorous feeding by larvae. Net-spinning caddisfly production is apparently food-limited in certain habitats while spatial limitations are imposed in other habitats. Differences in mesh size may have significance to both food and spatial limitations.</style></abstract><accession-num><style face="normal" font="default" size="100%">LTER.1982-81183</style></accession-num></record></records></xml>