. A manual of zoology. Zoology. ir. INSEGTA: IIEXAPODA. 465 which bears t]ie uiipuirod tongue or glossa ((//), which corresponds to the fused giossfe (or to the liypophurynx?) of tlie first type and wliich is used for sucking honey and lience lias tlie form of a nearly closed tube. Beside it lie the rudimentary paraglosss (/>//) and the well-dcvelojjed palpi. Similarly the maxillaj have suuiU cardines and palpi, while the stipites and the undivided lobe (/) are long and well developed. The piercing mouth parts of the flies (Diptera) and bugs (Ehynchota) can be compared with those of the bee
. A manual of zoology. Zoology. ir. INSEGTA: IIEXAPODA. 465 which bears t]ie uiipuirod tongue or glossa ((//), which corresponds to the fused giossfe (or to the liypophurynx?) of tlie first type and wliich is used for sucking honey and lience lias tlie form of a nearly closed tube. Beside it lie the rudimentary paraglosss (/>//) and the well-dcvelojjed palpi. Similarly the maxillaj have suuiU cardines and palpi, while the stipites and the undivided lobe (/) are long and well developed. The piercing mouth parts of the flies (Diptera) and bugs (Ehynchota) can be compared with those of the bees in so far as the labium forms the groundwork of the whole (fig. 4SS). The. Fig. 488. Fig. 4Sy. Fig. 488.—Sucking mouth parts of mosquito, Cnlex pipicns. (After Muhr.) The groove of labium opened by removing labrum; tlie separated. Fig. 489.— Sucking mouth parts of a. buttertly. (After Savigny.) ntx', ;, shows how right and left maxiilte unite into a tube: riglit labial x)alpus ii^l} with hairs removed. beak {rostrum, haustdluni) of these animals corresponds to the labium; it is a grooved structure, either fleshy and flexible, or stifE and jointed. The edges of the groove are in rolled so that there remains a narrow dorsal slit, which can be closed by the slender upper lip (/?•). The tube formed of these parts contains four stylets, toothed or with retrorse hooks at the tip. These are the. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
