. Annals of applied biology. Biology, Economic; Biochemistry. 310 The Large Poplar Longhom while that of the metanotum shows a double row of similar bristles with a depression between them. The dorsal areas of the first seven abdominal segments resemble each other in appearance; they have fleshy protuberances which show two transverse depressions and bear short, stiff bristles. These bristles are arranged as in Fig. 10 a, and the areas which bear them are known as the ambulatory ampullae (aa).. (a) (b) Fig. 10 a. Larva of S. earcharias, dorsal view (greatly magnified), aa = ambulator}' ampulla


. Annals of applied biology. Biology, Economic; Biochemistry. 310 The Large Poplar Longhom while that of the metanotum shows a double row of similar bristles with a depression between them. The dorsal areas of the first seven abdominal segments resemble each other in appearance; they have fleshy protuberances which show two transverse depressions and bear short, stiff bristles. These bristles are arranged as in Fig. 10 a, and the areas which bear them are known as the ambulatory ampullae (aa).. (a) (b) Fig. 10 a. Larva of S. earcharias, dorsal view (greatly magnified), aa = ambulator}' ampulla; is = intersegmental skin; p=pronotum; 2>a = parascutal area; pl = pleural lobe; ps^postscutellum. Fig. 10 6. Larva of S. earcharias, ventral view (greatly magnified). es = eusternum; %p = hypopleurum; Z = labrum; m = metanotum; mn = mandible; mx = maxillae; o — ocellus; j) = pronotum; pl = pleural lobe; pr = presternum; <s/Z = sternellum. Surrounding each ampulla is an elliptical area, slightly swollen laterally, called the parascutal lobe {pa). Behind the ampulla on each segment is the postscutellum (ps). The eighth segment resembles the previous segment but has no ampulla and therefore no parascutal area. The ninth is similar to the eighth only it shows no postscutellar area. 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 Association of Applied Biologists; Association of Economic Biologists. [Wellesbourne, Warwick, etc. ] Association of Applied Biologists [etc. ]


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbiochem, bookyear1921