. Annals of applied biology. Biology, Economic; Biochemistry. 308 Habits of the Qreenliouse White Fli/ Tracheal system (Fig. 10). This is very simple, there being inter- connected dorsal and ventral systems, with very few small branches. This suggests that there may be some respiration through the skin. There are two pairs of thoracic spiracles situated, one pair between the anterior legs, the other between the posterior legs. Also there are two pairs of abdominal spiracles, one pair on the first abdominal segment, Ka>^ ^». ! \ J Fig. 9. Cycle of movements of Please note that thes
. Annals of applied biology. Biology, Economic; Biochemistry. 308 Habits of the Qreenliouse White Fli/ Tracheal system (Fig. 10). This is very simple, there being inter- connected dorsal and ventral systems, with very few small branches. This suggests that there may be some respiration through the skin. There are two pairs of thoracic spiracles situated, one pair between the anterior legs, the other between the posterior legs. Also there are two pairs of abdominal spiracles, one pair on the first abdominal segment, Ka>^ ^». ! \ J Fig. 9. Cycle of movements of 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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