. The insect book [microform] : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies. Insectes; Insects. Moiquitoci h 11 u t differept molts, reaches maturity and transforms to a pupa in a minimum of seven days in hot summer weather, taking much longer in the early spring or when the weather grows cool in the fall. The pupa is well il'ustrated m the accompanying tigu;e and differs radically from the larva or wriggler from the fact that it now breathes
. The insect book [microform] : a popular account of the bees, wasps, ants, grasshoppers, flies and other North American insects exclusive of the butterflies, moths and beetles, with full life histories, tables and bibliographies. Insectes; Insects. Moiquitoci h 11 u t differept molts, reaches maturity and transforms to a pupa in a minimum of seven days in hot summer weather, taking much longer in the early spring or when the weather grows cool in the fall. The pupa is well il'ustrated m the accompanying tigu;e and differs radically from the larva or wriggler from the fact that it now breathes from the ear-like cr trumpet-like organs issuing. Fig. (o-—lulex pungens! Full-grown Ian a at kft, pujia at right—enlarged. (Aulhor's from the thorax instead of from a respiratory tube at the other end of the bodv. The pupa remains at the surface of the water in an upright position but when disturbed wriggles actively to the bottom, floating upwards again in a very short time. The puoa stage lasts in warm weather but two days, at the expiration io6. 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 Howard, L. O. (Leland Ossian), 1857-1950. Toronto : W. Briggs
Size: 1429px × 1750px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1901
