Manual of North American Diptera
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In our eReader you can find the full English version of the book. Read Manual of North American Diptera Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Manual of North American Diptera
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To quickly assess the difficulty of the text, read a short excerpt:
. . 16 12. Wings near the middle with two cross-bands, converging toward the posterior margin. . . . . . . .13 Wings not with such cross-bands. ..... 14 13. The third longitudinal vein is gently curved backward toward the tip; head not swollen Spilographa Third longitudinal vein straight to the extremity; head distinctly swollen (12). Oedicarena.
14. Wings with four very oblique cross-bands. . . . . 15 Cross-bands nearly transverse, or dissolved into spots; cross-veins but little oblique. ......... Trypeta.
15. Scutellum tumid, bituberculate. . . . . Peronyma.
Scutellum of the usual structure, not swollen, though convex (16).
Plagiotoma.
16. Cross-veins conspicuously approximated. . . . ; 17 Cross-veins not approximated. ...... 18 17. Wings with hyaline indentation and a subapical, arcuate hyaline cross-vein; scutellum black (15). . Polymorphomyia.
Wings with three brown bands or projections, connected anterior- ly, the distal one following the costa, the middle one beyond • the middle of the wing, the proximal one toward the base (7) .
What to read after Manual of North American Diptera?
You can find similar books in the "Read Also" column, or choose other free books by Samuel Wendell Williston to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
. . 16 12. Wings near the middle with two cross-bands, converging toward the posterior margin. . . . . . . .13 Wings not with such cross-bands. ..... 14 13. The third longitudinal vein is gently curved backward toward the tip; head not swollen Spilographa Third longitudinal vein straight to the extremity; head distinctly swollen (12). Oedicarena.
14. Wings with four very oblique cross-bands. . . . . 15 Cross-bands nearly transverse, or dissolved into spots; cross-veins but little oblique. ......... Trypeta.
15. Scutellum tumid, bituberculate. . . . . Peronyma.
Scutellum of the usual structure, not swollen, though convex (16).
Plagiotoma.
16. Cross-veins conspicuously approximated. . . . ; 17 Cross-veins not approximated. ...... 18 17. Wings with hyaline indentation and a subapical, arcuate hyaline cross-vein; scutellum black (15). . Polymorphomyia.
Wings with three brown bands or projections, connected anterior- ly, the distal one following the costa, the middle one beyond • the middle of the wing, the proximal one toward the base (7) .
What to read after Manual of North American Diptera?
You can find similar books in the "Read Also" column, or choose other free books by Samuel Wendell Williston to read onlineMoreLess
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