. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 734 '735 737 Figs. 733-737. Acalyptrate Diptera, Larvae 733. 734. 735. 736. 737. Parydra, side view (Jones) Ephydridse. Agromyza, side view (Frost) Agromyzidse. Drosophila, dorsal view (Banks) Drosophilidae. Cryptochaetum, side view (Smith and Compere) Cryptochaetidae. Scaptomyza, side view (Frost) Drosophilidae. c. Peritreme incompletely formed PHORMflNiE Peritreme completely encircling the spiracles d d. Peritreme strongly chitinized CALLIPHORiN^E Peritreme weak POLLENIlNiE Posterior spiracular plates without button
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 734 '735 737 Figs. 733-737. Acalyptrate Diptera, Larvae 733. 734. 735. 736. 737. Parydra, side view (Jones) Ephydridse. Agromyza, side view (Frost) Agromyzidse. Drosophila, dorsal view (Banks) Drosophilidae. Cryptochaetum, side view (Smith and Compere) Cryptochaetidae. Scaptomyza, side view (Frost) Drosophilidae. c. Peritreme incompletely formed PHORMflNiE Peritreme completely encircling the spiracles d d. Peritreme strongly chitinized CALLIPHORiN^E Peritreme weak POLLENIlNiE Posterior spiracular plates without buttons, slits rather vertical, plates at bottom of a pit. (Figs. 731, 732 D, Sarcophaga) SARCOPHAGUS 57. Posterior end of body with respiratory and usually forked anal tube; venter with prolegs furnished with curved hooks. Aquatic larva:. (Fig. 733, Parydra) EPHYDRIDSE Posterior end of body with two short fleshy processes 58. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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