. Elementary entomology . FIG. 20. Mouth-parts of horse-fly (Tabamis] Upper figure showing mouth-parts separated, and lower figure showing lancets dissected out. (After J. B. Smith) of grooves and transverse horny ridges with sharp, projecting edges. With these rasplike projections the fly is enabled to scrape the surface of the food and gradually loosen small particles, which are dissolved or carried in the saliva to the mouth. Hymenoptera. The mouth-parts of the Hymenoptera include both biting and sucking types. The saw-flies and ants (Fig. 22) have well-developed biting mouth-parts, which a
. Elementary entomology . FIG. 20. Mouth-parts of horse-fly (Tabamis] Upper figure showing mouth-parts separated, and lower figure showing lancets dissected out. (After J. B. Smith) of grooves and transverse horny ridges with sharp, projecting edges. With these rasplike projections the fly is enabled to scrape the surface of the food and gradually loosen small particles, which are dissolved or carried in the saliva to the mouth. Hymenoptera. The mouth-parts of the Hymenoptera include both biting and sucking types. The saw-flies and ants (Fig. 22) have well-developed biting mouth-parts, which are used as such, while in the wasps and bees the maxillae and labium form a tube
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Keywords: ., bookpublisherbostonnewyorketcginnandcompany, booksubjectinsects
