. Annals of applied biology. Biology, Economic; Biochemistry. Walter Ritchie 305 The Head (Fig. 4). If the head of the larva be dissected out from the first thoracic seg- ment and examined under the binocular microscope, the following parts are seen: in the centre of the field is the triangular region of the frons (/), bounded on each side by the frontal suture (fs), and divided into two by the median suture (ms). At the base of the triangular frons is a narrow area, the epistome (eps), on each side of which is a very highly chitinised area, thepleurostome(p>-). Anterior to the epistome is
. Annals of applied biology. Biology, Economic; Biochemistry. Walter Ritchie 305 The Head (Fig. 4). If the head of the larva be dissected out from the first thoracic seg- ment and examined under the binocular microscope, the following parts are seen: in the centre of the field is the triangular region of the frons (/), bounded on each side by the frontal suture (fs), and divided into two by the median suture (ms). At the base of the triangular frons is a narrow area, the epistome (eps), on each side of which is a very highly chitinised area, thepleurostome(p>-). Anterior to the epistome is the clypeus (c), trapezoidal in shape and et.~. rt.—. 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
