Key to the Families of North American Insects; An Introduction to the Classification of Insects

Key to the Families of North American Insects; An Introduction to the Classification of Insects

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 edition. Excerpt: ...Bag-worms. (Thyridopteryx T. ephemermformis, Bag-worm, Solendbia, Chalia.) PSYCHTDiE 17. Subcosta arising separately from the radius, running closely parallel to it to well beyond the end of the cell; base of the radius in that case either complete, showing as a short spur, or lost; small, rarely moderate-sized moths Diaphania Z.(= Margaronia) nitidalis, Pickle-moth, Lox6stege L. similalis, Garden webworm, Pyrausta, PyrSlis P. farinalis, Meal snout-moth, Cr&mbus Root webworms, Galleria G. mellonella. Bee-moth, Minedla M. indigenella, Leaf-crumpler, Ephestia E. kuehniella, Mediterranean flour-moth, Plddia P. interpunctella, Indian meal-moth) (Including PYRAUSTID&, GALLERIIDX, CRAMBIDM, PHYCITIDJE.) (PI. 10, figs. 223,230) Pyralididje Subcosta entirely independent of the radius, or connected by a weak crossvein, or one near the base of the wing, sharply divergent before the end of the cell 58 18. Subcosta arising from near the middle of the cell; sometimes free also for a short distance near the base; moderately small, stout-bodied moths with rather small wings; larvae slug-like. (Euclea, Tortricidia, Packardia.) (EUCLtlDM.) COCHLEDIIDjE Subcosta arising near the tip of the cell 19 19. Fifth branch of the radius long-stalked; pale-colored moths of moderate size and inconspicuous appearance, with stout, hairy body and small, furry wings. (Lagda, Megalopyge.) MEGALOPYGIIXa: Fifth branch of radius arising from the cell; small, dark, often brightly marked moths with smoothly scaled wings. (Acoldithus, Triprocris, Harrisina.) (PI. 9, fig. 205) PYROMORPHIL 20. Hind wings with three anal veins, the first often fading out toward base.. 21 Hind wing with two anal veins or less, at most with a short spur of the first anal at the margin in more

Product details

  • Paperback | 48 pages
  • 189 x 246 x 3mm | 104g
  • United States
  • English
  • black & white illustrations
  • 1236969782
  • 9781236969781