strongly indented; the outer dilation in the form of a long triangle, with the outer margin entire and inner very slightly dentate. Length 2 inches 6 lines, breadth 11 lines.
Inhabits Sylhet. In the cabinet of the Rev. F. W. Hope.
G.R. Gray.
Note on the occurrence of the Locust near Derby. August 27th, 1842, in a cornfield close to my house was captured Locusta Christii (male), which I kept alive for a month, and it is now in my cabinet.—Robert John Bell, Surgeon; Mickleover-house, near Derby, January 19, 1843.
Note on Heliothrips Adonidum. Last autumn I observed this insect in great abundance in Mr. Loddiges' stove houses. It did much mischief to his plants during the preceding summer.—Francis Walker, Southgate, February, 1843.
Note on Aphides, and on the Larva of a Fly which destroys them.[1] During the last summer and autumn the northern part of the county of Northumberland was infested with the Aphis in such immense quantities, that the farmers of that district sustained very considerable damage in consequence. The parent fly of this insect was black, with very long transparent wings, like the green blight so often seen upon rose-trees. The offspring of these flies were without wings, green, brown, red and yellowish, apparently adopting the colour of the leaf of the plant they were upon. These insects brought forth their young alive, and these young Aphides commenced their work of destruction the moment they were produced. The plant chiefly attacked by them was the turnip; though the Swedes did not suffer so much as the kinds sown later, probably from these two reasons:—1. The Swedes being
- ↑ Communicated by Mrs. Griffiths, of Torquay.
