Field book of Insects, With Special Reference to Those of Northeastern United States, Aiming to Answer Common Questions
Field book of Insects, With Special Reference to Those of Northeastern United States, Aiming to Answer Common Questions
Frank Eugene Lutz
The book Field book of Insects, With Special Reference to Those of Northeastern United States, Aiming to Answer Common Questions was written by author Frank Eugene Lutz Here you can read free online of Field book of Insects, With Special Reference to Those of Northeastern United States, Aiming to Answer Common Questions book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Field book of Insects, With Special Reference to Those of Northeastern United States, Aiming to Answer Common Questions a good or bad book?
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Squamae of moderate size or small, or the thorax and abdomen not inflated 16. 16. Third joint of the antennae simple, not composed of superficial rings. Costa enclosing the wing margin beyond the tip. Squamae very small, vestigial LEPTiDiE (p. 248). Third joint of the antennae complex, 4- to 8-ringed, rarely with a distinct bristle-like arista 17. 17. Costal vein not enclosing the hind margin of the wing. Squamae small or vestigial SxRATiOMYiDiE (p. 246). Costal vein continuing around the hind ...margin of the wing 18. 18. Squamse conspicuous Tabanid^e (p. 247). Squamae small or vestigial Xylophagid-s. 19. Third longitudinal vein forked, delimiting two or more submarginal cells 20. Third longitudinal vein not forked, but one sub- marginal cell 25. 20. Anal cell, when present, closed some distance from the hind border of the wing, sometimes absent. Third antennal joint usually with a terminal style. Vertex flat or convex EMPiDiDiE (p. 252). Anal cell always present, either open or closed in or near the margin of the wing 21.
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