. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 722. 725 Figs. 720-725. Aschizous Diptera, Larvse 720. Syrphus, dorsal view (Metcalf) Syrphidse. 721. Callimyia, dorsal view (de Meijere) Platypezidse. 722. Pipunculus, dorsal view (Perkins) Pipunculidae. 723. Lonchoptera, dorsal view (de Meijere) Lonchopteridse. 724. Conops (Brauer) Conopidse. 725. Eristalis, side view (Metcalf) Syrphidse. 43. specialized into piercing organs; larva? apparently acephalous, body with about eleven obscure segments, skin usually rough, form diverse, conical, more or less cylindrical, ev
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 722. 725 Figs. 720-725. Aschizous Diptera, Larvse 720. Syrphus, dorsal view (Metcalf) Syrphidse. 721. Callimyia, dorsal view (de Meijere) Platypezidse. 722. Pipunculus, dorsal view (Perkins) Pipunculidae. 723. Lonchoptera, dorsal view (de Meijere) Lonchopteridse. 724. Conops (Brauer) Conopidse. 725. Eristalis, side view (Metcalf) Syrphidse. 43. specialized into piercing organs; larva? apparently acephalous, body with about eleven obscure segments, skin usually rough, form diverse, conical, more or less cylindrical, even hemi- spherical. Food habits various, under bark, in tuber-roots, about sewage, in ant or bee nests, or free-living and preying on aphids. (Fig. 720, Syrphus; Fig. 725, Eristalis). SYRPHIDiE Acephalous, true maggots, usually conically tapering (Figs. 728- 737), sometimes stout warbles (Fig. 727). (The vast residue of the Diptera are insufficiently known to tabulate as to families, the following incomplete artificial key being largely based on food habits). (MUSCOIDEA) 43 Endoparasites of insects or higher animals 44 Not parasitic 50. 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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