. The book of the garden. Gardening. TURNIP DIAMOND-BACK MOTH. closed and deflexed, and the horns are projected forward in a straight line. It is more or less brown. The upper wings are long and narrow, and, when closed, form two or three diamonds upon the back. The inferior wings are lance- shaped, and of an ash colour, with a very long fringe. Its length is 2\ lines. The caterpillar is green, about half an inch in length, slender, and tapering to both ends. They are exceed- ingly active, and on the slightest touch wriggle themselves off the leaf they are feeding on, and let themselves down b
. The book of the garden. Gardening. TURNIP DIAMOND-BACK MOTH. closed and deflexed, and the horns are projected forward in a straight line. It is more or less brown. The upper wings are long and narrow, and, when closed, form two or three diamonds upon the back. The inferior wings are lance- shaped, and of an ash colour, with a very long fringe. Its length is 2\ lines. The caterpillar is green, about half an inch in length, slender, and tapering to both ends. They are exceed- ingly active, and on the slightest touch wriggle themselves off the leaf they are feeding on, and let themselves down by a silken thread, and re- main suspended till the cause of alarm subsides. As many as 240 have been counted on one leaf; and such is their avidity, that not the smallest vestige of a green leaf is left by them. This larvae is destroyed by a black ichneumon, named Campoplex ; Mamestra brassicce (cabbage-moth), fig. 41, at- tacks the Swedish turnip. Mamestra oleracea (white-line brown-eyed moth), fig. 78 (see section Cabbage), is also an enemy to the turnip and lettuce, as well as the cabbage. This moth is of a dark rusty-brown VOL. II. colour. " The antenna) have white scales; the abdomen is ash grey, with brown tufts; the Fig. white-line brown-eyed moth. Natural size. feet are greyish brown, yellow-ringed below ; the fore wings have no connected cross lines; the round middle spot is surrounded with white; the kidney spot is orange colour in the shape of a lunule ; very delicate white and black dots are seen on the watered band ; the fringes are deeply toothed, bordered by a faint white line; the under wings are ochre yellow, or dirty white, with darker shades towards the whitish fringes. The reddish or yellowish brown cater- pillar has on the back, and on each side, a dark stripe, and a whitish one nearly over the feet; the under side and feet are light brown ; it is dotted with black between the dark stripes. When young, and sometimes also when fully g
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectgardening, bookyear18
