The mid-region of the body, composed of jointed segments, is followed by a larger or smaller region consisting of fused segments and termed the pygidium or caudal shield, which in some cases is as large as the head-shield itself, in other cases much smaller. [Please select]
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Median notch: in Coccidae, a notch in the edge of the pygidium, at the posterior extremity of the body. [Please select]
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Spine: a sharp process: in Coccidae there are two, one each side of each segment of the pygidium. [Please select]
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Dorsal gland orifices: in Diaspinae, oval orifices arranged in more or less distinct rows on the surface of the pygidium, through which is discharged the material of which the dorsal scale is formed. [Please select]
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Lobe: any prominent rounded process or excrescence on a margin: specifically, the rounded, tooth-like processes on the margin of the pygidium of the Diaspinae: also applied to lateral expansions of the abdominal segments. [Please select]
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