| description and sem observations of a new species of cyst nematode heterodera goldeni (nematoda: heteroderidae) attacking panicum coloratum in egypt. | a cyst nematode, heterodera goldeni n. sp., is photographed and described from qasabagrass roots (panicum coloratum l.) in alexandria, egypt. it is characterized in having second-stage juveniles with body length of 546 microm (450-612), stylet length of 22.6 microm (22-23.5) with anchor-shaped knobs, lateral field with 3 lines, tail 60-75 microm, hyaline tail terminus 38.4 microm (33-43); cysts are lemon-shaped, dark to light brown with an extensive sub-crystalline layer covering the entire cyst ... | 2002 | 19265949 |