1880 I. 706 The larva [of southern army-worm or cotton-worm] is a semi-looper.
1899 D. Sharp in VI. vi. 415 When the abdominal legs are reduced in number (Plusia, e.g.) the larvae are said to be Half-loopers, or Semi-loopers, as they assume to some extent the peculiar mode of progression of the Geometrid larvae, which are known as Loopers.