. A text-book of agricultural zoology. Zoology, Economic. PiG. 129.—Female and Male common Cockboach {Blatta onentalis). (Nicholson.) manica), and is a small yeUowish-brown species, with two dark- brown stripes on the thorax. Another species, P. austral- asicB, is also found doing some harm in conservatories. The Black species (B. orientalis) is only winged in the male, the others in both sexes. The eggs are laid in packets, and some- times, as in P. geiinanica, are carried about by the female. The young are all pale-coloured, and occasionally almost white when they have just changed their ski
. A text-book of agricultural zoology. Zoology, Economic. PiG. 129.—Female and Male common Cockboach {Blatta onentalis). (Nicholson.) manica), and is a small yeUowish-brown species, with two dark- brown stripes on the thorax. Another species, P. austral- asicB, is also found doing some harm in conservatories. The Black species (B. orientalis) is only winged in the male, the others in both sexes. The eggs are laid in packets, and some- times, as in P. geiinanica, are carried about by the female. The young are all pale-coloured, and occasionally almost white when they have just changed their skin. Prevention and Remedies.—Persian insect - powder, spread about where these pests are, is a good remedy ; but trapping keeps them well in hand, whilst a hedgehog wiU speedUy clear them out from the basements of houses. It is not necessary to refer to the Locusts, Grasshoppers, and other Orthoptera, as they are not destructive in England. The. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Theobald, Frederick Vincent, 1868-1930. Edinburgh and London, W. Blackwood and sons
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1899
