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THE GENERA OF BRITISH MOTHS. 
PLATE XXXIX. 
No. 1.—The Manchester Treble-bar (Celma imbutata). No. 6.—The Twin-spot Carpet (Corenia didymata). 
No. 2.—The Slender Treble-bar (Anaitis plagiata). No. 7.—The Garden Carpet (Coremia fluctuata). 
No, 34.—The Chalk Carpet (Eusebia bipunctaria). No. 9.—The Silver-ground Carpet (Corenia montanata). 
No. 4.—The Mottled Gray (Erinobia multistrigaria). 
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No. 3.—The Small Mallow (Zubolia mensuraria). | No. 8.—The Caterpillar of the Garden Carpet. 
No, 10,—The Green Carpet (Coremia miaria). 
No. 5.—The Welsh Wave ( Venusia cambrica). 
Tue thirteenth sub-family of the Geometride is that of the Zubolidi, containing seven genera: Cela, 
Anuitis, Eubolia, Eusebia, Erinobia, Venusia, and Coremia. 
The genus Celma. The insects assigned to this genus (founded by Stephens) have the palpi unusually 
scaly, and the antenne simple in both sexes, those of the male being rather pubescent. The anterior wings are 
somewhat inclining to the lancet-shape, and the abdomen is short. The females are smaller than the males. 
The Caterpillars are rather strong, and the Chrysalides are formed among moss. There is but one species, which 
is placed by some authors in Hiibner’s genus Carsia. 
Celma imbutata (the Manchester Treble-bar, No. 1) is a very local species. The Caterpillar is described as 
reddish yellow, with three violet lines or stripes ; it feeds on one or more species of Vaccintwm. The perfect 
insect appears in August ; and was formerly taken occasionally in heathy places in the North of England, 
and in Scotland, but considered a rarity. It has, however, been since taken in the neighbourhood of Manchester 
in great abundance, and in one or two other new localities. 
The genus Anaitis. The insects in this genus have the antennx simple in both sexes, and the palpi close 
together or beak-like, The fore wings are rather lancet-shaped ; the females are larger than the males, The 
Caterpillars are long and slender, with a velvety surface, delicately striped. The Chrysalides are oblong. There 
are two British species, 
Anuitis plagiata (the Slender Treble-bar, No. 2) is a common species in woody localities almost everywhere. 
The Caterpillar, which is described as reddish brown with a black dorsal line and a yellow line at the side, 
feeds on Hypericum perforatum ; and there are seemingly two broods, as the perfect insect appears both 
in June and September. Brighton, Cambridge, Exeter, Arran, and Bute are cited by entomologists as localities 
where it is plentiful. 
The other species is Anaitis preeformata (the Purple Treble-bar). It has the anterior wings less acute, and 
is rather brighter coloured. It is placed in the British catalogue on account of one or two doubtful captures ; 
but some authors do not consider it British. 
The genus Zubolia, The insects assigned to this genus have the antennex of the males either pectinated 
or strongly pubescent ; the wings are broad, the fore wings rather pointed. The Caterpillars have ten feet, 
and are rather thicker in the last segments. The Chrysalides are subterranean, There are three British species 
in the system I am following, which some authors make five by placing our Zusebia bipunctaria and Mesogramma 
lineolata in this genps, 
