| OCR Text |
Show 68 briefly described is an a_!?' follows below. undescribed It is almost certain that this species. 'Species A Immature nymph. Length 12 mmo General coloration-mottled brown pale; no distinct line on abdominal terga, but dak brown spot basomedially on each tergum, with two smaller spots laterally; spine at tip of femora sharp. and Distribu\:io .. Nymphs found were five at localities Paraiso, Comayagua, and 01ancho. Genus No expeFtd has that it will pot pe previously known found were as occur, south of areas fro Demoulin Honduras, but it in north of just Mexico, but there A by AQultR Of this genus cn be The males tarsi wit4 fore joint one-sixth The gills the of Rhithrogena; three filament as long cross as long as nymphs caudal the reported as as the distinguished by veins one-third to has been is It there. are wing nymphs of a from a collection (1955). Brazil characterisics. montane. are from Guatemala in the University of Utah collection. Heptageniipae (possibly Heptagenia) E1 Departments of 1863 found is it these Walsh Heptagenia this genus of specimens of All the in in or long the stigmatic longer as than the area are simple; tibiae, the Qasa1 tpe second joint. do not extend beneath the fi1ament9 present,' lateral following body as in the median terminal cerci. Distribu"tion Pa1erctic and Nearctic,' extending south to the Sunda Shelf in |
