82a (78b). Abdominal segments usually with 1 or more longitudinal folds laterally or

lateroventrally; body C-shaped, scarabaeiform (Fig.A); 1 pair of spiracles on thorax

and usually 8 pairs on abdomen [beetle larvae, white grubs]..................…..........….........Coleoptera

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A

82b. Abdominal segments without longitudinal folds, or if present, then spiracles not as

previously described............................................................................................…................…............... 83