| OCR Text |
Show 73 Immature for a Abdomen completely pale except Length 6 mm. apically on each tergum nymph. thin very line E Species Mature black spots nymph. Length ea side. 9 Each. abdominal mm. terum with Adult males of Vein chracteristics. subapicaly; male pair of caudally this can gnus be the hind of Rl distinguished by ends wing rodlike the following the anterior in terminal forceps three-segmented, directed 1948a Edmunds Traverella Genus of projections present eyes this orceps base on and antennae, frontal notch the at expanded projection; in \ easily distinguished from other genera are genus Head family by the following; the a forcps. Nymphs of of margin joints short; 'y dorsd two on labrum anterior as margin; capsule clypeus; clypeus with wide all as gills a small capsule, with head of ahead of constricted two a the median deep lamellae, gill medium one <, largest, diminishing size in to, g Ll I seven; lamella with each a fringed margin. Distribution Neotropical, south lower elevations of to Argentina with Nearctic the to several species entering Utah and Canada. Central American reaords Two Eaton species have been described from Central America, (as Thraulus) from Co.s t a Rica and Panama, " ",' '_ I "", and versicolor primanus Eaton |