. Brigham Young University science bulletin. Biology -- Periodicals. 16 liuioiiAM VoL'NC University Science Bulletin TAXONOMIC Kt:YS O. Uigophilm is easily separated from O. Cooley and Kohls (1944), and the key to the megnini by the following pictorial key. The lar\ae has been prepared with assistance from kev to adults and nviiiphs is taken largely from (Hen M. Kohls. Pictorial Key for Separation of Adults Dorsal pits separated by a distance of twice or Dorsal pits separated by a distance of the dia- more the diameter of one pit (Figure 21) . meter or less of one pit (Figure 22) O. megnini O.
. Brigham Young University science bulletin. Biology -- Periodicals. 16 liuioiiAM VoL'NC University Science Bulletin TAXONOMIC Kt:YS O. Uigophilm is easily separated from O. Cooley and Kohls (1944), and the key to the megnini by the following pictorial key. The lar\ae has been prepared with assistance from kev to adults and nviiiphs is taken largely from (Hen M. Kohls. Pictorial Key for Separation of Adults Dorsal pits separated by a distance of twice or Dorsal pits separated by a distance of the dia- more the diameter of one pit (Figure 21) . meter or less of one pit (Figure 22) O. megnini O. lagophilus ⢠« 6 ⢠« tf C ⢠t PC® B ' t 6 0 * ⢠* C C 0 C 6 ^ 0 Q ^ C 0 c , c * « <^ <^ ' 0 ⢠^ e ^ c « c <^ '^ c ^ c « « . ^ ^ « " « « 0 « "ft' ⢠e « I 6«C C 0 0 0 *â '(? ^ ^S Q Q (i Q qQ n* 0 Oft («\c c« C 0 © 6 Fig. 21 Fig. 22 PicroRiAL Key' for Separation of Nymphs ItLfil Anterodorsal integumental spines peg-like, two or three times as thick as the more slender posterodorsal spines, and about as numerous (Figures and 24); denticles near base of hyi^ostome in 4/4 arrangement (Figure 25); angle of spiracles about equal to or less than the basal angles (Figure 26) O. megnini Ui^. Fig. 24. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brigham Young University. Provo, Utah : Brigham Young University
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