File:Aquatic insects of California, with keys to North American genera and California species (1956) (19747665675).jpg

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Title: Aquatic insects of California, with keys to North American genera and California species
Identifier: aquaticinse00usin (find matches)
Year: 1956 (1950s)
Authors: Usinger, Robert L. (Robert Leslie), 1912-1968
Subjects: Aquatic insects; Insects
Publisher: Berkeley, University of California Press
Contributing Library: University of Connecticut Libraries
Digitizing Sponsor: LYRASIS Members and Sloan Foundation

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Text Appearing Before Image:
93 Day: Ephemeroptera ?
Text Appearing After Image:
Fig. 3:14. Male genitalia, a, Ameletus validus; b, Paraleptophlebia zayante; c, P. c/ora; d, P. he/ena; e, P. quisquilla; i, P. placeri; g, P. associata; h, P. californica; i, P. gregalis (a-e, g-i, Day, 1952, 1954; f, Mayo, 1939). !— Apical notch between penes very shallow, semicircular; reflex spurs much longer than depth of apical notch; these spurs very wide at base, sometimes sinuate, tapering to a blunt point (fig. 3:14c); central California coastal clara (McDunnough) 1924 ilO. Medium size species, 7J4 to 9 mm. in length; apical notch between penes relatively narrow and deep, nearly ^closed at the top; reflex spurs strongly tapering, curved evenly outward to point (fig. 3:14t); sternites 2-7 with paler anterior margins; coastal... gregalis (Eaton) 1884 Small species, 6 to Gy2 mm. in length; apical notch between penes almost round, all but closed at top; reflex spurs straight on inner margins and sinuate on outer margins, tapering to sharp point directed down- ward (fig. 3:14e); sternites 1-7 with oblique submedian hyaline dashes and 2 hyaline dots on each; Lake County quisquilia Day 1952

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Source https://www.flickr.com/photos/internetarchivebookimages/19747665675/
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  • bookid:aquaticinse00usin
  • bookyear:1956
  • bookdecade:1950
  • bookcentury:1900
  • bookauthor:Usinger_Robert_L_Robert_Leslie_1912_1968
  • booksubject:Aquatic_insects
  • booksubject:Insects
  • bookpublisher:Berkeley_University_of_California_Press
  • bookcontributor:University_of_Connecticut_Libraries
  • booksponsor:LYRASIS_Members_and_Sloan_Foundation
  • bookleafnumber:109
  • bookcollection:uconn_libraries
  • bookcollection:americana
  • BHL Collection
Flickr posted date
InfoField
16 July 2015

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