. Fig. 38.âEarly stages of DLva : a, lateral view of larva; b, anterior segments of larva, dorsal view; c, terniinal segments of larva, dorsal view ; d, lateral view of pupa; r, anterior hali' of pupa, ventral view (after Miall). The pupa of Dixa is black and inconspicuous, apparently without power of voluntary motion, lying resting in a vertical position at the surface of still water, or surrounded by decaying vegetation near the shore. It has a large elongate respiratory organ on each side of the head ; the body is long and larva-like, terminated by two moderately long pointed processes. Tab
. Fig. 38.âEarly stages of DLva : a, lateral view of larva; b, anterior segments of larva, dorsal view; c, terniinal segments of larva, dorsal view ; d, lateral view of pupa; r, anterior hali' of pupa, ventral view (after Miall). The pupa of Dixa is black and inconspicuous, apparently without power of voluntary motion, lying resting in a vertical position at the surface of still water, or surrounded by decaying vegetation near the shore. It has a large elongate respiratory organ on each side of the head ; the body is long and larva-like, terminated by two moderately long pointed processes. Table of S2:)ecies. "Wing with more markings than a narrow transverse streak across the middle Wing with only a narrow transverse streak across the middle. Thoracic stripes dark brown; abdomen blackish. â Wing-tip distinctly infuscated for a little distance. Thoracic stripes brownish yellow ; abdomen brownish yellow ochrilineata, Brun., p. 261.
Size: 1909px × 2619px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectdiptera, bookyear1912
