FIGURES 7–12 in Revision of the genus Leptohyphes Eaton (Ephemeroptera: Leptohyphidae) in North and Central America

FIGURES 7–12. Characterisitcs of larval mouthparts of Leptohyphes (7–11, 6 ventral; 12 dorsal). 7, labrum [scale bar B]. 8, labium [B]. 9, hypopharynx [D]. 10, left mandible [C]. 11, right mandible [D]. 12, maxilla [A]. Scale bars (mm): A = 0.5; B = 0.15; C, D = 0.10. bim = base of inner margin; bs = basal setae; dm = distal margin; gls = galea/lacinia suture; ii = inner incisors; mp = maxillary palp; mr = molar region; oi = outer incisors; pr = prostheca.